Analysis
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max time kernel
147s -
max time network
277s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
Bootstraper.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
Bootstraper.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral3
Sample
Bootstraper.exe
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
cachehandler.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
cachehandler.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral6
Sample
cachehandler.dll
Resource
win11-20241007-en
General
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Target
Bootstraper.exe
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Size
71.0MB
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MD5
e82c016015eb049019b94fd51ecd6e49
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SHA1
bc230a8342944ddb28007baa2bd29cb07b29294e
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SHA256
af5852b2f7312ac76fcd4ec798b8aacf7a5338b329664d2a79a6f31619230828
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SHA512
4faa37bf5cebc40469379671e6fe88344fcc9df54ac99d7ec179f04aeaa5d805d0a935b43d79747542cfc329e1f1e78d95cbe6db9235f994cc0fdfbb6e156b98
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SSDEEP
393216:Hqc1qcLg6WDV34gkpyfVEHqy2I6Sug+FIOMWg6SvbMK1UO9mBX2GWjNYi1M:Kc1qcLgtDV3fq235ghiSjMKny2GWBM
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4324 powershell.exe 4560 powershell.exe -
GoLang User-Agent 4 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 26 Go-http-client/1.1 HTTP User-Agent header 31 Go-http-client/1.1 HTTP User-Agent header 9 Go-http-client/1.1 HTTP User-Agent header 22 Go-http-client/1.1 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 Bootstraper.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 Bootstraper.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 Bootstraper.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 4560 powershell.exe 4560 powershell.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 4560 powershell.exe Token: SeIncreaseQuotaPrivilege 2980 wmic.exe Token: SeSecurityPrivilege 2980 wmic.exe Token: SeTakeOwnershipPrivilege 2980 wmic.exe Token: SeLoadDriverPrivilege 2980 wmic.exe Token: SeSystemProfilePrivilege 2980 wmic.exe Token: SeSystemtimePrivilege 2980 wmic.exe Token: SeProfSingleProcessPrivilege 2980 wmic.exe Token: SeIncBasePriorityPrivilege 2980 wmic.exe Token: SeCreatePagefilePrivilege 2980 wmic.exe Token: SeBackupPrivilege 2980 wmic.exe Token: SeRestorePrivilege 2980 wmic.exe Token: SeShutdownPrivilege 2980 wmic.exe Token: SeDebugPrivilege 2980 wmic.exe Token: SeSystemEnvironmentPrivilege 2980 wmic.exe Token: SeRemoteShutdownPrivilege 2980 wmic.exe Token: SeUndockPrivilege 2980 wmic.exe Token: SeManageVolumePrivilege 2980 wmic.exe Token: 33 2980 wmic.exe Token: 34 2980 wmic.exe Token: 35 2980 wmic.exe Token: 36 2980 wmic.exe Token: SeIncreaseQuotaPrivilege 2980 wmic.exe Token: SeSecurityPrivilege 2980 wmic.exe Token: SeTakeOwnershipPrivilege 2980 wmic.exe Token: SeLoadDriverPrivilege 2980 wmic.exe Token: SeSystemProfilePrivilege 2980 wmic.exe Token: SeSystemtimePrivilege 2980 wmic.exe Token: SeProfSingleProcessPrivilege 2980 wmic.exe Token: SeIncBasePriorityPrivilege 2980 wmic.exe Token: SeCreatePagefilePrivilege 2980 wmic.exe Token: SeBackupPrivilege 2980 wmic.exe Token: SeRestorePrivilege 2980 wmic.exe Token: SeShutdownPrivilege 2980 wmic.exe Token: SeDebugPrivilege 2980 wmic.exe Token: SeSystemEnvironmentPrivilege 2980 wmic.exe Token: SeRemoteShutdownPrivilege 2980 wmic.exe Token: SeUndockPrivilege 2980 wmic.exe Token: SeManageVolumePrivilege 2980 wmic.exe Token: 33 2980 wmic.exe Token: 34 2980 wmic.exe Token: 35 2980 wmic.exe Token: 36 2980 wmic.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2188 wrote to memory of 4324 2188 Bootstraper.exe 82 PID 2188 wrote to memory of 4324 2188 Bootstraper.exe 82 PID 4324 wrote to memory of 4560 4324 powershell.exe 84 PID 4324 wrote to memory of 4560 4324 powershell.exe 84 PID 2188 wrote to memory of 2980 2188 Bootstraper.exe 85 PID 2188 wrote to memory of 2980 2188 Bootstraper.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe"1⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe\""2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4560
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C:\Windows\System32\Wbem\wmic.exewmic csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82