Analysis
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max time kernel
147s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20250217-en -
resource tags
arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-02-2025 13:30
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win11-20250217-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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Executes dropped EXE 1 IoCs
pid Process 992 BootstrapperV2.20.exe -
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 7 1.0.0.1 1588 Process not Found Destination IP 9 1.0.0.1 1588 Process not Found Destination IP 11 1.0.0.1 1588 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 2952 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 992 BootstrapperV2.20.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1584 WMIC.exe Token: SeSecurityPrivilege 1584 WMIC.exe Token: SeTakeOwnershipPrivilege 1584 WMIC.exe Token: SeLoadDriverPrivilege 1584 WMIC.exe Token: SeSystemProfilePrivilege 1584 WMIC.exe Token: SeSystemtimePrivilege 1584 WMIC.exe Token: SeProfSingleProcessPrivilege 1584 WMIC.exe Token: SeIncBasePriorityPrivilege 1584 WMIC.exe Token: SeCreatePagefilePrivilege 1584 WMIC.exe Token: SeBackupPrivilege 1584 WMIC.exe Token: SeRestorePrivilege 1584 WMIC.exe Token: SeShutdownPrivilege 1584 WMIC.exe Token: SeDebugPrivilege 1584 WMIC.exe Token: SeSystemEnvironmentPrivilege 1584 WMIC.exe Token: SeRemoteShutdownPrivilege 1584 WMIC.exe Token: SeUndockPrivilege 1584 WMIC.exe Token: SeManageVolumePrivilege 1584 WMIC.exe Token: 33 1584 WMIC.exe Token: 34 1584 WMIC.exe Token: 35 1584 WMIC.exe Token: 36 1584 WMIC.exe Token: SeIncreaseQuotaPrivilege 1584 WMIC.exe Token: SeSecurityPrivilege 1584 WMIC.exe Token: SeTakeOwnershipPrivilege 1584 WMIC.exe Token: SeLoadDriverPrivilege 1584 WMIC.exe Token: SeSystemProfilePrivilege 1584 WMIC.exe Token: SeSystemtimePrivilege 1584 WMIC.exe Token: SeProfSingleProcessPrivilege 1584 WMIC.exe Token: SeIncBasePriorityPrivilege 1584 WMIC.exe Token: SeCreatePagefilePrivilege 1584 WMIC.exe Token: SeBackupPrivilege 1584 WMIC.exe Token: SeRestorePrivilege 1584 WMIC.exe Token: SeShutdownPrivilege 1584 WMIC.exe Token: SeDebugPrivilege 1584 WMIC.exe Token: SeSystemEnvironmentPrivilege 1584 WMIC.exe Token: SeRemoteShutdownPrivilege 1584 WMIC.exe Token: SeUndockPrivilege 1584 WMIC.exe Token: SeManageVolumePrivilege 1584 WMIC.exe Token: 33 1584 WMIC.exe Token: 34 1584 WMIC.exe Token: 35 1584 WMIC.exe Token: 36 1584 WMIC.exe Token: SeDebugPrivilege 4544 Bootstrapper.exe Token: SeDebugPrivilege 992 BootstrapperV2.20.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4544 wrote to memory of 3892 4544 Bootstrapper.exe 78 PID 4544 wrote to memory of 3892 4544 Bootstrapper.exe 78 PID 3892 wrote to memory of 2952 3892 cmd.exe 80 PID 3892 wrote to memory of 2952 3892 cmd.exe 80 PID 4544 wrote to memory of 1124 4544 Bootstrapper.exe 81 PID 4544 wrote to memory of 1124 4544 Bootstrapper.exe 81 PID 1124 wrote to memory of 1584 1124 cmd.exe 83 PID 1124 wrote to memory of 1584 1124 cmd.exe 83 PID 4544 wrote to memory of 992 4544 Bootstrapper.exe 85 PID 4544 wrote to memory of 992 4544 Bootstrapper.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all2⤵
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:2952
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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:1124 -
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:1584
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.20.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.20.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.9MB
MD5f227cdfd423b3cc03bb69c49babf4da3
SHA13db5a97d9b0f2545e7ba97026af6c28512200441
SHA256cb5d6c1ca0aa6232a2d55e14b20ac4a9945a0bd063c57d60a5ed3ae94160e3e8
SHA512b10afd03b02a928545c16fad39a6ae46b68b1e1a2477a6990803ce80008e7161fb2ebc9380ba15a1b074bb436aa34bcd6c94a922933d438b1c22489717e1e10e