Analysis
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max time kernel
94s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 09:58
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bootstrapper.exe
Resource
win10v2004-20241007-en
General
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Target
Bootstrapper.exe
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Size
800KB
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MD5
02c70d9d6696950c198db93b7f6a835e
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SHA1
30231a467a49cc37768eea0f55f4bea1cbfb48e2
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SHA256
8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3
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SHA512
431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb
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SSDEEP
12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz
Malware Config
Signatures
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Downloads MZ/PE file
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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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation Bootstrapper.exe -
Executes dropped EXE 1 IoCs
pid Process 4968 BootstrapperV2.05.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 2360 ipconfig.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5024 WMIC.exe Token: SeSecurityPrivilege 5024 WMIC.exe Token: SeTakeOwnershipPrivilege 5024 WMIC.exe Token: SeLoadDriverPrivilege 5024 WMIC.exe Token: SeSystemProfilePrivilege 5024 WMIC.exe Token: SeSystemtimePrivilege 5024 WMIC.exe Token: SeProfSingleProcessPrivilege 5024 WMIC.exe Token: SeIncBasePriorityPrivilege 5024 WMIC.exe Token: SeCreatePagefilePrivilege 5024 WMIC.exe Token: SeBackupPrivilege 5024 WMIC.exe Token: SeRestorePrivilege 5024 WMIC.exe Token: SeShutdownPrivilege 5024 WMIC.exe Token: SeDebugPrivilege 5024 WMIC.exe Token: SeSystemEnvironmentPrivilege 5024 WMIC.exe Token: SeRemoteShutdownPrivilege 5024 WMIC.exe Token: SeUndockPrivilege 5024 WMIC.exe Token: SeManageVolumePrivilege 5024 WMIC.exe Token: 33 5024 WMIC.exe Token: 34 5024 WMIC.exe Token: 35 5024 WMIC.exe Token: 36 5024 WMIC.exe Token: SeIncreaseQuotaPrivilege 5024 WMIC.exe Token: SeSecurityPrivilege 5024 WMIC.exe Token: SeTakeOwnershipPrivilege 5024 WMIC.exe Token: SeLoadDriverPrivilege 5024 WMIC.exe Token: SeSystemProfilePrivilege 5024 WMIC.exe Token: SeSystemtimePrivilege 5024 WMIC.exe Token: SeProfSingleProcessPrivilege 5024 WMIC.exe Token: SeIncBasePriorityPrivilege 5024 WMIC.exe Token: SeCreatePagefilePrivilege 5024 WMIC.exe Token: SeBackupPrivilege 5024 WMIC.exe Token: SeRestorePrivilege 5024 WMIC.exe Token: SeShutdownPrivilege 5024 WMIC.exe Token: SeDebugPrivilege 5024 WMIC.exe Token: SeSystemEnvironmentPrivilege 5024 WMIC.exe Token: SeRemoteShutdownPrivilege 5024 WMIC.exe Token: SeUndockPrivilege 5024 WMIC.exe Token: SeManageVolumePrivilege 5024 WMIC.exe Token: 33 5024 WMIC.exe Token: 34 5024 WMIC.exe Token: 35 5024 WMIC.exe Token: 36 5024 WMIC.exe Token: SeDebugPrivilege 4904 Bootstrapper.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4904 wrote to memory of 2604 4904 Bootstrapper.exe 84 PID 4904 wrote to memory of 2604 4904 Bootstrapper.exe 84 PID 2604 wrote to memory of 2360 2604 cmd.exe 86 PID 2604 wrote to memory of 2360 2604 cmd.exe 86 PID 4904 wrote to memory of 3672 4904 Bootstrapper.exe 87 PID 4904 wrote to memory of 3672 4904 Bootstrapper.exe 87 PID 3672 wrote to memory of 5024 3672 cmd.exe 89 PID 3672 wrote to memory of 5024 3672 cmd.exe 89 PID 4904 wrote to memory of 4968 4904 Bootstrapper.exe 91 PID 4904 wrote to memory of 4968 4904 Bootstrapper.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:2360
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")2⤵
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\System32\Wbem\WMIC.exewmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5024
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.05.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.05.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true2⤵
- Executes dropped EXE
PID:4968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.8MB
MD5241706a4b2aa26c47eb1dbadf12eba14
SHA1e46f254c6c29bf9371f04b7a27fb1569a7dbba23
SHA25611b86e51f1f67bc7d59a881aa9cbbb5519c118ea74291476ff61fb9ddbff454e
SHA5122e876573e2f44491bfe0cc915910f66d030c5e013f36d72e460603480f292bf6f4c5625cebeba47a9ea4fc564e776c656f74c5d7032ea0340de3840db8fe49ea