Analysis
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max time kernel
448s -
max time network
447s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250113-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
20-01-2025 07:26
Static task
static1
Behavioral task
behavioral1
Sample
BootstrapperV1.23.exe
Resource
win10ltsc2021-20250113-en
General
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Target
BootstrapperV1.23.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-1-5-21-2449540194-3226363261-2578591490-1000\Control Panel\International\Geo\Nation BootstrapperV1.23.exe -
Executes dropped EXE 1 IoCs
pid Process 4436 BootstrapperV2.18.exe -
Unexpected DNS network traffic destination 14 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 -
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 4188 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2468 WMIC.exe 2468 WMIC.exe 2468 WMIC.exe 2468 WMIC.exe 4436 BootstrapperV2.18.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2468 WMIC.exe Token: SeSecurityPrivilege 2468 WMIC.exe Token: SeTakeOwnershipPrivilege 2468 WMIC.exe Token: SeLoadDriverPrivilege 2468 WMIC.exe Token: SeSystemProfilePrivilege 2468 WMIC.exe Token: SeSystemtimePrivilege 2468 WMIC.exe Token: SeProfSingleProcessPrivilege 2468 WMIC.exe Token: SeIncBasePriorityPrivilege 2468 WMIC.exe Token: SeCreatePagefilePrivilege 2468 WMIC.exe Token: SeBackupPrivilege 2468 WMIC.exe Token: SeRestorePrivilege 2468 WMIC.exe Token: SeShutdownPrivilege 2468 WMIC.exe Token: SeDebugPrivilege 2468 WMIC.exe Token: SeSystemEnvironmentPrivilege 2468 WMIC.exe Token: SeRemoteShutdownPrivilege 2468 WMIC.exe Token: SeUndockPrivilege 2468 WMIC.exe Token: SeManageVolumePrivilege 2468 WMIC.exe Token: 33 2468 WMIC.exe Token: 34 2468 WMIC.exe Token: 35 2468 WMIC.exe Token: 36 2468 WMIC.exe Token: SeIncreaseQuotaPrivilege 2468 WMIC.exe Token: SeSecurityPrivilege 2468 WMIC.exe Token: SeTakeOwnershipPrivilege 2468 WMIC.exe Token: SeLoadDriverPrivilege 2468 WMIC.exe Token: SeSystemProfilePrivilege 2468 WMIC.exe Token: SeSystemtimePrivilege 2468 WMIC.exe Token: SeProfSingleProcessPrivilege 2468 WMIC.exe Token: SeIncBasePriorityPrivilege 2468 WMIC.exe Token: SeCreatePagefilePrivilege 2468 WMIC.exe Token: SeBackupPrivilege 2468 WMIC.exe Token: SeRestorePrivilege 2468 WMIC.exe Token: SeShutdownPrivilege 2468 WMIC.exe Token: SeDebugPrivilege 2468 WMIC.exe Token: SeSystemEnvironmentPrivilege 2468 WMIC.exe Token: SeRemoteShutdownPrivilege 2468 WMIC.exe Token: SeUndockPrivilege 2468 WMIC.exe Token: SeManageVolumePrivilege 2468 WMIC.exe Token: 33 2468 WMIC.exe Token: 34 2468 WMIC.exe Token: 35 2468 WMIC.exe Token: 36 2468 WMIC.exe Token: SeDebugPrivilege 3420 BootstrapperV1.23.exe Token: SeDebugPrivilege 4436 BootstrapperV2.18.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3420 wrote to memory of 1136 3420 BootstrapperV1.23.exe 83 PID 3420 wrote to memory of 1136 3420 BootstrapperV1.23.exe 83 PID 1136 wrote to memory of 4188 1136 cmd.exe 85 PID 1136 wrote to memory of 4188 1136 cmd.exe 85 PID 3420 wrote to memory of 3780 3420 BootstrapperV1.23.exe 87 PID 3420 wrote to memory of 3780 3420 BootstrapperV1.23.exe 87 PID 3780 wrote to memory of 2468 3780 cmd.exe 89 PID 3780 wrote to memory of 2468 3780 cmd.exe 89 PID 3420 wrote to memory of 4436 3420 BootstrapperV1.23.exe 91 PID 3420 wrote to memory of 4436 3420 BootstrapperV1.23.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.23.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:4188
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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:3780 -
C:\Windows\System32\Wbem\WMIC.exewmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2468
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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\BootstrapperV1.23.exe" --isUpdate true2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436
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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