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
565s -
max time network
599s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-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 7 IoCs
Processes:
resource yara_rule behavioral21/memory/1688-1-0x00000000002E0000-0x00000000002F6000-memory.dmp family_xworm behavioral21/memory/2552-10-0x0000000000CE0000-0x0000000000CF6000-memory.dmp family_xworm C:\Users\Admin\AppData\Local\uwumonster.exe family_xworm behavioral21/memory/1784-16-0x0000000000330000-0x0000000000346000-memory.dmp family_xworm behavioral21/memory/1928-18-0x0000000000D30000-0x0000000000D46000-memory.dmp family_xworm behavioral21/memory/1608-20-0x0000000000F00000-0x0000000000F16000-memory.dmp family_xworm behavioral21/memory/3068-25-0x00000000013B0000-0x00000000013C6000-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 2 IoCs
Processes:
uwumonster.exeuwumonster.exepid process 2552 uwumonster.exe 876 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-1-5-21-39690363-730359138-1046745555-1000\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 4 IoCs
Processes:
ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exeuwumonster.exeuwumonster.exedescription pid process Token: SeDebugPrivilege 1688 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe Token: SeDebugPrivilege 1688 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe Token: SeDebugPrivilege 2552 uwumonster.exe Token: SeDebugPrivilege 876 uwumonster.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exetaskeng.exedescription pid process target process PID 1688 wrote to memory of 2632 1688 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe schtasks.exe PID 1688 wrote to memory of 2632 1688 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe schtasks.exe PID 1688 wrote to memory of 2632 1688 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe schtasks.exe PID 2676 wrote to memory of 2552 2676 taskeng.exe uwumonster.exe PID 2676 wrote to memory of 2552 2676 taskeng.exe uwumonster.exe PID 2676 wrote to memory of 2552 2676 taskeng.exe uwumonster.exe PID 2676 wrote to memory of 876 2676 taskeng.exe uwumonster.exe PID 2676 wrote to memory of 876 2676 taskeng.exe uwumonster.exe PID 2676 wrote to memory of 876 2676 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
-
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 {0A92C6BC-BE8E-4154-8D53-E5EAF589C4E6} S-1-5-21-39690363-730359138-1046745555-1000:EILATWEW\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⤵
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
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C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
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C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe2⤵
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/1608-20-0x0000000000F00000-0x0000000000F16000-memory.dmpFilesize
88KB
-
memory/1688-0-0x000007FEF6023000-0x000007FEF6024000-memory.dmpFilesize
4KB
-
memory/1688-1-0x00000000002E0000-0x00000000002F6000-memory.dmpFilesize
88KB
-
memory/1688-6-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmpFilesize
9.9MB
-
memory/1688-11-0x000007FEF6023000-0x000007FEF6024000-memory.dmpFilesize
4KB
-
memory/1688-12-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmpFilesize
9.9MB
-
memory/1784-16-0x0000000000330000-0x0000000000346000-memory.dmpFilesize
88KB
-
memory/1928-18-0x0000000000D30000-0x0000000000D46000-memory.dmpFilesize
88KB
-
memory/2552-10-0x0000000000CE0000-0x0000000000CF6000-memory.dmpFilesize
88KB
-
memory/3068-25-0x00000000013B0000-0x00000000013C6000-memory.dmpFilesize
88KB