Analysis
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max time kernel
622s -
max time network
627s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
28-04-2024 05:38
Behavioral task
behavioral1
Sample
nigga.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
nigga.exe
Resource
win10v2004-20240419-en
General
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Target
nigga.exe
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Size
41KB
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MD5
2050f7f1b36613662a5b4bf5756589f4
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SHA1
5203b9e7928342b7c40ab9865b9701effcd818c1
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SHA256
9e776e42d46f0ea879002d936b62f7494e1d770c72238d739e9c2683d88745e0
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SHA512
25ada35957fed8f825350fe711ad98de669ce551a449a9b3ee94c43bdf07f8895d82ca2e652ba72e9e6685e3eb035e4ba3622c55bd08aabb08cf02d91fd5cbbe
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SSDEEP
768:9TFHrDMQVZYwCxsAuwKFjHKShtF5PG9+bOwhO3EuXA:DwQEdOAulzKSTFI9+bOwgFXA
Malware Config
Extracted
xworm
5.0
127.0.0.1:38630
147.185.221.19:38630
bay-currencies.gl.at.ply.gg:38630
and-organized.gl.at.ply.gg:38630
community-excess.gl.at.ply.gg:38630
YfT9WSgF2TVkrY89
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Install_directory
%AppData%
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install_file
runbroker.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/960-0-0x0000000000CC0000-0x0000000000CD0000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\runbroker.exe family_xworm -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
nigga.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation nigga.exe -
Drops startup file 2 IoCs
Processes:
nigga.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runbroker.lnk nigga.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runbroker.lnk nigga.exe -
Executes dropped EXE 11 IoCs
Processes:
runbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exepid process 3680 runbroker.exe 1064 runbroker.exe 4748 runbroker.exe 1020 runbroker.exe 4860 runbroker.exe 3384 runbroker.exe 1056 runbroker.exe 4176 runbroker.exe 1756 runbroker.exe 3512 runbroker.exe 1444 runbroker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
nigga.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\runbroker = "C:\\Users\\Admin\\AppData\\Roaming\\runbroker.exe" nigga.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 4 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
nigga.exepid process 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe 960 nigga.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
Processes:
nigga.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exerunbroker.exedescription pid process Token: SeDebugPrivilege 960 nigga.exe Token: SeDebugPrivilege 960 nigga.exe Token: SeDebugPrivilege 3680 runbroker.exe Token: SeDebugPrivilege 1064 runbroker.exe Token: SeDebugPrivilege 4748 runbroker.exe Token: SeDebugPrivilege 1020 runbroker.exe Token: SeDebugPrivilege 4860 runbroker.exe Token: SeDebugPrivilege 3384 runbroker.exe Token: SeDebugPrivilege 1056 runbroker.exe Token: SeDebugPrivilege 4176 runbroker.exe Token: SeDebugPrivilege 1756 runbroker.exe Token: SeDebugPrivilege 3512 runbroker.exe Token: SeDebugPrivilege 1444 runbroker.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
nigga.exepid process 960 nigga.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
nigga.exedescription pid process target process PID 960 wrote to memory of 2748 960 nigga.exe schtasks.exe PID 960 wrote to memory of 2748 960 nigga.exe schtasks.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
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C:\Users\Admin\AppData\Local\Temp\nigga.exe"C:\Users\Admin\AppData\Local\Temp\nigga.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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 "runbroker" /tr "C:\Users\Admin\AppData\Roaming\runbroker.exe"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exe"C:\Users\Admin\AppData\Roaming\runbroker.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\runbroker.exeC:\Users\Admin\AppData\Roaming\runbroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\runbroker.exe.logFilesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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C:\Users\Admin\AppData\Roaming\runbroker.exeFilesize
41KB
MD52050f7f1b36613662a5b4bf5756589f4
SHA15203b9e7928342b7c40ab9865b9701effcd818c1
SHA2569e776e42d46f0ea879002d936b62f7494e1d770c72238d739e9c2683d88745e0
SHA51225ada35957fed8f825350fe711ad98de669ce551a449a9b3ee94c43bdf07f8895d82ca2e652ba72e9e6685e3eb035e4ba3622c55bd08aabb08cf02d91fd5cbbe
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memory/960-0-0x0000000000CC0000-0x0000000000CD0000-memory.dmpFilesize
64KB
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memory/960-1-0x00007FFEED150000-0x00007FFEEDC11000-memory.dmpFilesize
10.8MB
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memory/960-2-0x000000001B900000-0x000000001B910000-memory.dmpFilesize
64KB
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memory/960-7-0x00007FFEED150000-0x00007FFEEDC11000-memory.dmpFilesize
10.8MB
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memory/960-8-0x000000001B900000-0x000000001B910000-memory.dmpFilesize
64KB
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memory/3680-11-0x00007FFEED150000-0x00007FFEEDC11000-memory.dmpFilesize
10.8MB
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memory/3680-13-0x00007FFEED150000-0x00007FFEEDC11000-memory.dmpFilesize
10.8MB