Analysis
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max time kernel
65s -
max time network
65s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-01-2025 16:24
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 1 IoCs
flow pid Process 21 4024 Bootstrapper.exe -
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Bootstrapper.exe -
Executes dropped EXE 1 IoCs
pid Process 1380 BootstrapperV2.18.exe -
Unexpected DNS network traffic destination 16 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 29 1.0.0.1 2004 Process not Found Destination IP 42 1.0.0.1 2004 Process not Found Destination IP 45 1.0.0.1 2004 Process not Found Destination IP 52 1.0.0.1 2004 Process not Found Destination IP 27 1.0.0.1 2004 Process not Found Destination IP 34 1.0.0.1 2004 Process not Found Destination IP 38 1.0.0.1 2004 Process not Found Destination IP 47 1.0.0.1 2004 Process not Found Destination IP 32 1.0.0.1 2004 Process not Found Destination IP 54 1.0.0.1 2004 Process not Found Destination IP 55 1.0.0.1 2004 Process not Found Destination IP 35 1.0.0.1 2004 Process not Found Destination IP 37 1.0.0.1 2004 Process not Found Destination IP 41 1.0.0.1 2004 Process not Found Destination IP 44 1.0.0.1 2004 Process not Found Destination IP 51 1.0.0.1 2004 Process not Found -
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 3440 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1380 BootstrapperV2.18.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2660 WMIC.exe Token: SeSecurityPrivilege 2660 WMIC.exe Token: SeTakeOwnershipPrivilege 2660 WMIC.exe Token: SeLoadDriverPrivilege 2660 WMIC.exe Token: SeSystemProfilePrivilege 2660 WMIC.exe Token: SeSystemtimePrivilege 2660 WMIC.exe Token: SeProfSingleProcessPrivilege 2660 WMIC.exe Token: SeIncBasePriorityPrivilege 2660 WMIC.exe Token: SeCreatePagefilePrivilege 2660 WMIC.exe Token: SeBackupPrivilege 2660 WMIC.exe Token: SeRestorePrivilege 2660 WMIC.exe Token: SeShutdownPrivilege 2660 WMIC.exe Token: SeDebugPrivilege 2660 WMIC.exe Token: SeSystemEnvironmentPrivilege 2660 WMIC.exe Token: SeRemoteShutdownPrivilege 2660 WMIC.exe Token: SeUndockPrivilege 2660 WMIC.exe Token: SeManageVolumePrivilege 2660 WMIC.exe Token: 33 2660 WMIC.exe Token: 34 2660 WMIC.exe Token: 35 2660 WMIC.exe Token: 36 2660 WMIC.exe Token: SeIncreaseQuotaPrivilege 2660 WMIC.exe Token: SeSecurityPrivilege 2660 WMIC.exe Token: SeTakeOwnershipPrivilege 2660 WMIC.exe Token: SeLoadDriverPrivilege 2660 WMIC.exe Token: SeSystemProfilePrivilege 2660 WMIC.exe Token: SeSystemtimePrivilege 2660 WMIC.exe Token: SeProfSingleProcessPrivilege 2660 WMIC.exe Token: SeIncBasePriorityPrivilege 2660 WMIC.exe Token: SeCreatePagefilePrivilege 2660 WMIC.exe Token: SeBackupPrivilege 2660 WMIC.exe Token: SeRestorePrivilege 2660 WMIC.exe Token: SeShutdownPrivilege 2660 WMIC.exe Token: SeDebugPrivilege 2660 WMIC.exe Token: SeSystemEnvironmentPrivilege 2660 WMIC.exe Token: SeRemoteShutdownPrivilege 2660 WMIC.exe Token: SeUndockPrivilege 2660 WMIC.exe Token: SeManageVolumePrivilege 2660 WMIC.exe Token: 33 2660 WMIC.exe Token: 34 2660 WMIC.exe Token: 35 2660 WMIC.exe Token: 36 2660 WMIC.exe Token: SeDebugPrivilege 4024 Bootstrapper.exe Token: SeDebugPrivilege 1380 BootstrapperV2.18.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4024 wrote to memory of 2788 4024 Bootstrapper.exe 86 PID 4024 wrote to memory of 2788 4024 Bootstrapper.exe 86 PID 2788 wrote to memory of 3440 2788 cmd.exe 88 PID 2788 wrote to memory of 3440 2788 cmd.exe 88 PID 4024 wrote to memory of 3452 4024 Bootstrapper.exe 89 PID 4024 wrote to memory of 3452 4024 Bootstrapper.exe 89 PID 3452 wrote to memory of 2660 3452 cmd.exe 91 PID 3452 wrote to memory of 2660 3452 cmd.exe 91 PID 4024 wrote to memory of 1380 4024 Bootstrapper.exe 96 PID 4024 wrote to memory of 1380 4024 Bootstrapper.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:3440
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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:3452 -
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:2660
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.18.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.18.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.9MB
MD54d207914ab7b161d4a8e6bf45cd27de4
SHA1accd340b49754a770fd8debc10a379fe587336f6
SHA2563c4dcf944e748c91df983422349e3a10f8271d3ef77ceee73d071b3d5e764f1b
SHA5127df470c7c3b1f695289202363826d86af5e878138aa7c50a5d678df1ee95c0e9e2e87dc913be007e212519b05ab56146766768fbe00c583f5b57b905fbbf3f19