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Analysis
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max time kernel
119s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 08:39
Static task
static1
Behavioral task
behavioral1
Sample
49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe
Resource
win10v2004-20241007-en
General
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Target
49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe
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Size
68KB
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MD5
34144c5c9cfbcc9b67cf29d4dde034c0
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SHA1
a2fefe70ce00a3ff347ece28aeb03c67e78d82c9
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SHA256
49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688
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SHA512
7af85e6f9ca3cb178b987fa82e1c98f5d3e35b4d5da6e8c4738912bb3557a0d508df1daccc894b48f866c7a3f4982a6f0ec52c2728ca33d408bfe339a0e43629
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SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv8H8hpQc:NAoglOwvl4ulkP6vghzwYu7vih9GueIq
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1940 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1940 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" 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe File created C:\Windows\HidePlugin.dll microsofthelp.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 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3040 wrote to memory of 1940 3040 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe 31 PID 3040 wrote to memory of 1940 3040 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe 31 PID 3040 wrote to memory of 1940 3040 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe 31 PID 3040 wrote to memory of 1940 3040 49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe"C:\Users\Admin\AppData\Local\Temp\49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD5bd12ebfa5132c8ded4b8ff6969335f1a
SHA17073d7601187485cee451c70d0bad500229e1f5e
SHA256f28e4699ed678267193d19312d1cb5bcb14252b11e8ed513a745497684ff2a55
SHA51276d7ce7f75bef5da2e189d3a12c5d0411840e5d896f492fc4b41d0441e0ee9bdbfea51e27a239b1eaa6d471d2d59abe207a9c0a00b1d37119f622ed14927fc15