Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/11/2024, 13:53
Static task
static1
Behavioral task
behavioral1
Sample
c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe
Resource
win10v2004-20241007-en
General
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Target
c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe
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Size
54KB
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MD5
4060cbd9e2d86f2b0ef1ced09161b732
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SHA1
b86817ef555bf190aa37fddc67646e8193191ed2
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SHA256
1c5a1884ab0155a4cdede6719a40268f0304cdbf810e935c3e17ba0eb00087d4
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SHA512
9efdc7c342e0825d660fcb095e4b7aee6488e35f5c65d1aa10860534cc02419c36883bada86282cefe6162641c17550e65f9db597b22b47ed075b165451b2ba6
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SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIu:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVM
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2724 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2724 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1088 wrote to memory of 2724 1088 c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe 30 PID 1088 wrote to memory of 2724 1088 c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe 30 PID 1088 wrote to memory of 2724 1088 c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe 30 PID 1088 wrote to memory of 2724 1088 c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:2724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
54KB
MD557614107f64fc86308dc0c3a1f529741
SHA1a65e314f2b82c61455439b31f1c62d90bbe44de8
SHA2562e151ebebec2d40c4887b36ed3b3fffc489e8eb3100ea5445423788ee08feb36
SHA512dbbc86bd3a5eb2e2ca619db7c308a90846815620507644278659f0b6ade562077873e966404edf4cc3c3d8566bb1e40b7e44c27443b3413040706789ec52298d