Overview
overview
10Static
static
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10a ton of y... -.exe
windows7-x64
10a ton of y... -.exe
windows10-2004-x64
10Analysis
-
max time kernel
567s -
max time network
598s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 04:09
Behavioral task
behavioral1
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240611-en
Behavioral task
behavioral10
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral13
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral15
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240611-en
Behavioral task
behavioral20
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240611-en
Behavioral task
behavioral22
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240611-en
Behavioral task
behavioral24
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240611-en
Behavioral task
behavioral26
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral27
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240220-en
Behavioral task
behavioral28
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240611-en
Behavioral task
behavioral30
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win10v2004-20240611-en
General
-
Target
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
-
Size
63KB
-
MD5
222c2d239f4c8a1d73c736c9cc712807
-
SHA1
c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c
-
SHA256
ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d
-
SHA512
1f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02
-
SSDEEP
1536:tJc/5q1qoR5PDdAZcIED4VuCkbFybjQ9f0jQRmONww+W:7c/iqoJekbFEQ9W+mONP+W
Malware Config
Extracted
xworm
127.0.0.1:23638
209.25.140.1:5525:23638
bring-recorder.gl.at.ply.gg:23638
action-yesterday.gl.at.ply.gg:23638
147.185.221.19:23638
then-wheel.gl.at.ply.gg::23638
then-wheel.gl.at.ply.gg:23638
teen-modes.gl.at.ply.gg:23638
-
Install_directory
%LocalAppData%
-
install_file
uwumonster.exe
Signatures
-
Detect Xworm Payload 10 IoCs
Processes:
resource yara_rule behavioral5/memory/2016-1-0x0000000001090000-0x00000000010A6000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\uwumonster.exe family_xworm behavioral5/memory/2528-11-0x00000000001F0000-0x0000000000206000-memory.dmp family_xworm behavioral5/memory/2656-15-0x0000000000D70000-0x0000000000D86000-memory.dmp family_xworm behavioral5/memory/2912-17-0x0000000000F10000-0x0000000000F26000-memory.dmp family_xworm behavioral5/memory/1656-20-0x00000000002F0000-0x0000000000306000-memory.dmp family_xworm behavioral5/memory/2720-22-0x0000000000910000-0x0000000000926000-memory.dmp family_xworm behavioral5/memory/1460-24-0x0000000000FF0000-0x0000000001006000-memory.dmp family_xworm behavioral5/memory/1236-27-0x0000000000010000-0x0000000000026000-memory.dmp family_xworm behavioral5/memory/380-29-0x00000000008E0000-0x00000000008F6000-memory.dmp family_xworm -
Drops startup file 2 IoCs
Processes:
ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uwumonster.lnk ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uwumonster.lnk ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe -
Executes dropped EXE 10 IoCs
Processes:
uwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exepid process 2528 uwumonster.exe 2656 uwumonster.exe 2912 uwumonster.exe 1932 uwumonster.exe 1656 uwumonster.exe 2720 uwumonster.exe 1460 uwumonster.exe 488 uwumonster.exe 1236 uwumonster.exe 380 uwumonster.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\uwumonster = "C:\\Users\\Admin\\AppData\\Local\\uwumonster.exe" ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exeuwumonster.exedescription pid process Token: SeDebugPrivilege 2016 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe Token: SeDebugPrivilege 2016 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe Token: SeDebugPrivilege 2528 uwumonster.exe Token: SeDebugPrivilege 2656 uwumonster.exe Token: SeDebugPrivilege 2912 uwumonster.exe Token: SeDebugPrivilege 1932 uwumonster.exe Token: SeDebugPrivilege 1656 uwumonster.exe Token: SeDebugPrivilege 2720 uwumonster.exe Token: SeDebugPrivilege 1460 uwumonster.exe Token: SeDebugPrivilege 488 uwumonster.exe Token: SeDebugPrivilege 1236 uwumonster.exe Token: SeDebugPrivilege 380 uwumonster.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exetaskeng.exedescription pid process target process PID 2016 wrote to memory of 2788 2016 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe schtasks.exe PID 2016 wrote to memory of 2788 2016 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe schtasks.exe PID 2016 wrote to memory of 2788 2016 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe schtasks.exe PID 2772 wrote to memory of 2528 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2528 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2528 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2656 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2656 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2656 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2912 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2912 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2912 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1932 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1932 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1932 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1656 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1656 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1656 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2720 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2720 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 2720 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1460 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1460 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1460 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 488 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 488 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 488 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1236 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1236 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 1236 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 380 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 380 2772 taskeng.exe uwumonster.exe PID 2772 wrote to memory of 380 2772 taskeng.exe uwumonster.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe"C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "uwumonster" /tr "C:\Users\Admin\AppData\Local\uwumonster.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\taskeng.exetaskeng.exe {CE0225E6-834B-4D14-A248-B8A1B8C8879C} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\uwumonster.exeFilesize
63KB
MD5222c2d239f4c8a1d73c736c9cc712807
SHA1c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c
SHA256ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d
SHA5121f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02
-
memory/380-29-0x00000000008E0000-0x00000000008F6000-memory.dmpFilesize
88KB
-
memory/1236-27-0x0000000000010000-0x0000000000026000-memory.dmpFilesize
88KB
-
memory/1460-24-0x0000000000FF0000-0x0000000001006000-memory.dmpFilesize
88KB
-
memory/1656-20-0x00000000002F0000-0x0000000000306000-memory.dmpFilesize
88KB
-
memory/2016-7-0x000007FEF5AC3000-0x000007FEF5AC4000-memory.dmpFilesize
4KB
-
memory/2016-12-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmpFilesize
9.9MB
-
memory/2016-0-0x000007FEF5AC3000-0x000007FEF5AC4000-memory.dmpFilesize
4KB
-
memory/2016-6-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmpFilesize
9.9MB
-
memory/2016-1-0x0000000001090000-0x00000000010A6000-memory.dmpFilesize
88KB
-
memory/2528-11-0x00000000001F0000-0x0000000000206000-memory.dmpFilesize
88KB
-
memory/2656-15-0x0000000000D70000-0x0000000000D86000-memory.dmpFilesize
88KB
-
memory/2720-22-0x0000000000910000-0x0000000000926000-memory.dmpFilesize
88KB
-
memory/2912-17-0x0000000000F10000-0x0000000000F26000-memory.dmpFilesize
88KB