Analysis
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max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
19/01/2024, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
bTbJ.exe
Resource
win7-20231215-en
windows7-x64
General
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Target
bTbJ.exe
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Size
36KB
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MD5
f8b15b98d521319be36d5313aca2c69b
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SHA1
2dca2befedee5f9db1ff79bb7e0fd0450bd91e3d
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SHA256
6132c371747e67b84ef17e3cbdf0c1e71771edc43dc8805a83498964f18a59b5
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SHA512
d28ae4ba382e1bd70fe49854d8afe002f7a08a94c2b97e5b74d9384ae0fe7904d38b183640562da3c6e92b84957e4c80276e45d6b79b91f1716cb29fabb7e517
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SSDEEP
384:vULdClEUdi/dMkt1QmY/GKSEZePC4SQY2OzRLTm3yilqr64yb0OvGb:vCUEUdi/dMc1tEZeK4SQsb4vGb
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3004 cmd.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 2892 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe Token: SeIncBasePriorityPrivilege 2476 bTbJ.exe Token: 33 2476 bTbJ.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2476 wrote to memory of 3004 2476 bTbJ.exe 30 PID 2476 wrote to memory of 3004 2476 bTbJ.exe 30 PID 2476 wrote to memory of 3004 2476 bTbJ.exe 30 PID 2476 wrote to memory of 3004 2476 bTbJ.exe 30 PID 3004 wrote to memory of 2892 3004 cmd.exe 33 PID 3004 wrote to memory of 2892 3004 cmd.exe 33 PID 3004 wrote to memory of 2892 3004 cmd.exe 33 PID 3004 wrote to memory of 2892 3004 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\bTbJ.exe"C:\Users\Admin\AppData\Local\Temp\bTbJ.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\bTbJ.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\PING.EXEping 0 -n 23⤵
- Runs ping.exe
PID:2892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06