Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 16:48
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation Bootstrapper.exe -
Executes dropped EXE 1 IoCs
pid Process 2232 BootstrapperV2.04.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 4024 ipconfig.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4800 WMIC.exe Token: SeSecurityPrivilege 4800 WMIC.exe Token: SeTakeOwnershipPrivilege 4800 WMIC.exe Token: SeLoadDriverPrivilege 4800 WMIC.exe Token: SeSystemProfilePrivilege 4800 WMIC.exe Token: SeSystemtimePrivilege 4800 WMIC.exe Token: SeProfSingleProcessPrivilege 4800 WMIC.exe Token: SeIncBasePriorityPrivilege 4800 WMIC.exe Token: SeCreatePagefilePrivilege 4800 WMIC.exe Token: SeBackupPrivilege 4800 WMIC.exe Token: SeRestorePrivilege 4800 WMIC.exe Token: SeShutdownPrivilege 4800 WMIC.exe Token: SeDebugPrivilege 4800 WMIC.exe Token: SeSystemEnvironmentPrivilege 4800 WMIC.exe Token: SeRemoteShutdownPrivilege 4800 WMIC.exe Token: SeUndockPrivilege 4800 WMIC.exe Token: SeManageVolumePrivilege 4800 WMIC.exe Token: 33 4800 WMIC.exe Token: 34 4800 WMIC.exe Token: 35 4800 WMIC.exe Token: 36 4800 WMIC.exe Token: SeIncreaseQuotaPrivilege 4800 WMIC.exe Token: SeSecurityPrivilege 4800 WMIC.exe Token: SeTakeOwnershipPrivilege 4800 WMIC.exe Token: SeLoadDriverPrivilege 4800 WMIC.exe Token: SeSystemProfilePrivilege 4800 WMIC.exe Token: SeSystemtimePrivilege 4800 WMIC.exe Token: SeProfSingleProcessPrivilege 4800 WMIC.exe Token: SeIncBasePriorityPrivilege 4800 WMIC.exe Token: SeCreatePagefilePrivilege 4800 WMIC.exe Token: SeBackupPrivilege 4800 WMIC.exe Token: SeRestorePrivilege 4800 WMIC.exe Token: SeShutdownPrivilege 4800 WMIC.exe Token: SeDebugPrivilege 4800 WMIC.exe Token: SeSystemEnvironmentPrivilege 4800 WMIC.exe Token: SeRemoteShutdownPrivilege 4800 WMIC.exe Token: SeUndockPrivilege 4800 WMIC.exe Token: SeManageVolumePrivilege 4800 WMIC.exe Token: 33 4800 WMIC.exe Token: 34 4800 WMIC.exe Token: 35 4800 WMIC.exe Token: 36 4800 WMIC.exe Token: SeDebugPrivilege 3456 Bootstrapper.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3456 wrote to memory of 2556 3456 Bootstrapper.exe 84 PID 3456 wrote to memory of 2556 3456 Bootstrapper.exe 84 PID 2556 wrote to memory of 4024 2556 cmd.exe 86 PID 2556 wrote to memory of 4024 2556 cmd.exe 86 PID 3456 wrote to memory of 2272 3456 Bootstrapper.exe 88 PID 3456 wrote to memory of 2272 3456 Bootstrapper.exe 88 PID 2272 wrote to memory of 4800 2272 cmd.exe 90 PID 2272 wrote to memory of 4800 2272 cmd.exe 90 PID 3456 wrote to memory of 2232 3456 Bootstrapper.exe 98 PID 3456 wrote to memory of 2232 3456 Bootstrapper.exe 98
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:3456 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:4024
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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:2272 -
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:4800
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true2⤵
- Executes dropped EXE
PID:2232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.8MB
MD5be4da425d9b7593e358ffbfca29f9c70
SHA1dc98530aad9728d779866ae957a738c52b13a565
SHA256c5277ddb6e51181d2b8bad59acf5f2badf5613b1e73384a84b793f720aa76c0d
SHA51235790944f5855038f8357c0f6d11ea81b260632e590c26f9342e8beb1a8dfd2e3eb9efa11f8378f8542cad45e7675af3d29cf27424accf35aaa6aeb34487155b