xworm | ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449

Analysis

max time kernel
454s
max time network
1180s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 20:25

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General

Target

gjruheigerg.exe
Size

84KB
MD5

b5fbb4aec5eaf3f64a592e72ac30a1ab
SHA1

993b36feeb223032ec7a536687cfe37ddf2ffd39
SHA256

ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449
SHA512

8768a68783e11654da0815b574e7e20c3cdaa4b4f710b6d288f9a69082f040177d32b2fdaf34b42239308ea21d4e3fc4319b67145b0f2b8126a4fc7a007dcc53
SSDEEP

1536:Xb5H+OMwTEBrZ5idVjzXGbhpTw6DG6GiyoAOsjJKVV4yAETSAJ0iH:rgG0FkbH2bhpM6NAOsViyylyY

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

79.202.250.5:80

Attributes

Install_directory
%Temp%
install_file
discord_autoupdaterconfifm.exe
telegram
https://api.telegram.org/bot7345950584:AAH5ca8n_1S4bD12cZuSsr23SjFGXJYzRk0

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral4/memory/3488-1-0x0000000000100000-0x000000000011C000-memory.dmp family_xworm
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

4060 powershell.exe
4176 powershell.exe
2980 powershell.exe
3012 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

discord_autoupdaterconfifm.exe

pid process

2476 discord_autoupdaterconfifm.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4748 timeout.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

4800 schtasks.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exegjruheigerg.exe

pid process

3012 powershell.exe
3012 powershell.exe
4060 powershell.exe
4060 powershell.exe
4176 powershell.exe
4176 powershell.exe
2980 powershell.exe
2980 powershell.exe
3488 gjruheigerg.exe

resource	yara_rule
behavioral4/memory/3488-1-0x0000000000100000-0x000000000011C000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe	family_xworm

pid	process
4060	powershell.exe
4176	powershell.exe
2980	powershell.exe
3012	powershell.exe

pid	process
2476	discord_autoupdaterconfifm.exe

flow	ioc
1	ip-api.com

pid	process
4748	timeout.exe

pid	process
4800	schtasks.exe

pid	process
3012	powershell.exe
3012	powershell.exe
4060	powershell.exe
4060	powershell.exe
4176	powershell.exe
4176	powershell.exe
2980	powershell.exe
2980	powershell.exe
3488	gjruheigerg.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

gjruheigerg.exepowershell.exepowershell.exepowershell.exepowershell.exediscord_autoupdaterconfifm.exe

description	pid	process
Token: SeDebugPrivilege	3488	gjruheigerg.exe
Token: SeDebugPrivilege	3012	powershell.exe
Token: SeDebugPrivilege	4060	powershell.exe
Token: SeDebugPrivilege	4176	powershell.exe
Token: SeDebugPrivilege	2980	powershell.exe
Token: SeDebugPrivilege	3488	gjruheigerg.exe
Token: SeDebugPrivilege	2476	discord_autoupdaterconfifm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

gjruheigerg.exe

pid process

3488 gjruheigerg.exe

pid	process
3488	gjruheigerg.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

gjruheigerg.execmd.exe

description	pid	process	target process
PID 3488 wrote to memory of 3012	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 3012	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 4060	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 4060	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 4176	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 4176	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 2980	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 2980	3488	gjruheigerg.exe	powershell.exe
PID 3488 wrote to memory of 4800	3488	gjruheigerg.exe	schtasks.exe
PID 3488 wrote to memory of 4800	3488	gjruheigerg.exe	schtasks.exe
PID 3488 wrote to memory of 2280	3488	gjruheigerg.exe	schtasks.exe
PID 3488 wrote to memory of 2280	3488	gjruheigerg.exe	schtasks.exe
PID 3488 wrote to memory of 1640	3488	gjruheigerg.exe	cmd.exe
PID 3488 wrote to memory of 1640	3488	gjruheigerg.exe	cmd.exe
PID 1640 wrote to memory of 4748	1640	cmd.exe	timeout.exe
PID 1640 wrote to memory of 4748	1640	cmd.exe	timeout.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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe
"C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3488

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3012

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gjruheigerg.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4060

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4176

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'discord_autoupdaterconfifm.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "discord_autoupdaterconfifm" /tr "C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:4800

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /delete /f /tn "discord_autoupdaterconfifm"
2⤵
PID:2280

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDB1E.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4748

C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2476

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
a80af2227670667df1bd1fe3c723ab6f

SHA1
280f766371a3ebba783300fb98787bc5311d0344

SHA256
524088ee6ed28c473643f805392c73ce97ab30511471c864f3dff38526773adb

SHA512
5dc1e18703772a189a7b281b76104579ecfeade5b2abba34087a120eb14c14efc5481c7b079c0519bc6eac15c84941daf2fc3f3d20263447388e4fc68825c71d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
4914eb0b2ff51bfa48484b5cc8454218

SHA1
6a7c3e36ce53b42497884d4c4a3bda438dd4374b

SHA256
7e510fc9344ef239ab1ab650dc95bb25fd44e2efba8b8246a3ac17880ee8b69e

SHA512
83ab35f622f4a5040ca5cb615a30f83bb0741449225f1fd1815b6923e225c28241d0c02d34f83f743349a5e57f84ca1c6f44016797a93d5985be41d11be79500

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ry545xfq.yil.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe
Filesize
84KB

MD5
b5fbb4aec5eaf3f64a592e72ac30a1ab

SHA1
993b36feeb223032ec7a536687cfe37ddf2ffd39

SHA256
ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449

SHA512
8768a68783e11654da0815b574e7e20c3cdaa4b4f710b6d288f9a69082f040177d32b2fdaf34b42239308ea21d4e3fc4319b67145b0f2b8126a4fc7a007dcc53

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDB1E.tmp.bat
Filesize
163B

MD5
61774a1937ed020fb7738f0feae595b7

SHA1
d4cdee7e20f87096d05883e46531d1c2805adf54

SHA256
27016088f7d7557582698ecfef4a01977c154a29309f87335a83a1d6e0946c74

SHA512
57bb9e5bba68c1e33c23bafcf87fc7161395088893a6d44709bf5b00deb0321fd192ae784621e6d5f13cda947f2ad6801245c86e60500b49bbab398c0bde43f7

Download Submit
memory/3012-11-0x000002537CA70000-0x000002537CA92000-memory.dmp

Filesize
136KB

Download
memory/3012-17-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download
memory/3012-14-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download
memory/3012-13-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download
memory/3012-12-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download
memory/3488-1-0x0000000000100000-0x000000000011C000-memory.dmp

Filesize
112KB

Download
memory/3488-50-0x00007FFD2CCF3000-0x00007FFD2CCF5000-memory.dmp

Filesize
8KB

Download
memory/3488-51-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download
memory/3488-2-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download
memory/3488-0-0x00007FFD2CCF3000-0x00007FFD2CCF5000-memory.dmp

Filesize
8KB

Download
memory/3488-59-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp

Filesize
10.8MB

Download