Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 02:51
Behavioral task
behavioral1
Sample
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe
Resource
win10v2004-20240508-en
General
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Target
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe
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Size
81KB
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MD5
48288bec5481f6f9cd06650bd69709cf
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SHA1
9a5cf4bfe69765120a5150a8f8983afee07b7005
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SHA256
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424
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SHA512
b1df25415674e06b625c3385f5ddd17f37fb992c863fb48d6ae73316a0447c647a7ca602e92e15dc9905594c1f55b1fe6cf30346dbddf6603fd3b28e964f471b
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SSDEEP
1536:CMbWRTlmZ6Zzevqkklj0D0VyQx/Sc/NbAqFaGaeo6HO90jz0vKc1:pbYZm0zUY0OLx/S4bxROS0v1
Malware Config
Extracted
xworm
lot-feeds.gl.at.ply.gg:55815
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Install_directory
%AppData%
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install_file
RuntimeBroker.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2748-0-0x0000000000E80000-0x0000000000E9A000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe family_xworm -
Detects Windows executables referencing non-Windows User-Agents 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2748-0-0x0000000000E80000-0x0000000000E9A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
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.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 548 powershell.exe 4676 powershell.exe 3964 powershell.exe 1392 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe -
Drops startup file 2 IoCs
Processes:
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe -
Executes dropped EXE 3 IoCs
Processes:
RuntimeBroker.exeRuntimeBroker.exeRuntimeBroker.exepid process 3616 RuntimeBroker.exe 3664 RuntimeBroker.exe 1496 RuntimeBroker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker.exe" c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.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 14 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 9 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exec769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exepid process 548 powershell.exe 548 powershell.exe 4676 powershell.exe 4676 powershell.exe 3964 powershell.exe 3964 powershell.exe 1392 powershell.exe 1392 powershell.exe 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
Processes:
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exepowershell.exepowershell.exepowershell.exepowershell.exeRuntimeBroker.exeRuntimeBroker.exeRuntimeBroker.exedescription pid process Token: SeDebugPrivilege 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 1392 powershell.exe Token: SeDebugPrivilege 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe Token: SeDebugPrivilege 3616 RuntimeBroker.exe Token: SeDebugPrivilege 3664 RuntimeBroker.exe Token: SeDebugPrivilege 1496 RuntimeBroker.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exepid process 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exedescription pid process target process PID 2748 wrote to memory of 548 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 548 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 4676 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 4676 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 3964 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 3964 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 1392 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 1392 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe powershell.exe PID 2748 wrote to memory of 1404 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe schtasks.exe PID 2748 wrote to memory of 1404 2748 c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.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\c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe"C:\Users\Admin\AppData\Local\Temp\c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.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
PID:2748 -
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\c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:548
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
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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\Roaming\RuntimeBroker.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1392
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RuntimeBroker" /tr "C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"2⤵
- Creates scheduled task(s)
PID:1404
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C:\Users\Admin\AppData\Roaming\RuntimeBroker.exeC:\Users\Admin\AppData\Roaming\RuntimeBroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3616
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C:\Users\Admin\AppData\Roaming\RuntimeBroker.exeC:\Users\Admin\AppData\Roaming\RuntimeBroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3664
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C:\Users\Admin\AppData\Roaming\RuntimeBroker.exeC:\Users\Admin\AppData\Roaming\RuntimeBroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD5da5c82b0e070047f7377042d08093ff4
SHA189d05987cd60828cca516c5c40c18935c35e8bd3
SHA25677a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5
SHA5127360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b
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Filesize
944B
MD598baf5117c4fcec1692067d200c58ab3
SHA15b33a57b72141e7508b615e17fb621612cb8e390
SHA25630bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51
SHA512344a70bfc037d54176f12db91f05bf4295bb587a5062fd1febe6f52853571170bd8ef6042cb87b893185bbae1937cf77b679d7970f8cc1c2666b0b7c1b32987d
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
81KB
MD548288bec5481f6f9cd06650bd69709cf
SHA19a5cf4bfe69765120a5150a8f8983afee07b7005
SHA256c769ef621852a1cd8219c535827fcbce8ffb301eece3d34e8cf89db3e7452424
SHA512b1df25415674e06b625c3385f5ddd17f37fb992c863fb48d6ae73316a0447c647a7ca602e92e15dc9905594c1f55b1fe6cf30346dbddf6603fd3b28e964f471b