Analysis
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max time kernel
149s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe
Resource
win10v2004-20240802-en
General
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Target
8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe
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Size
63KB
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MD5
0a32f7296e32f23582eeb07aecd12efe
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SHA1
58daca4ccd3d6f712ee673ce5fd819e723442789
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SHA256
8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572
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SHA512
b02fe8d27c2b57e371ad1d7b514f2e8c709f1517a6d81c382ad82a4b2d0ea5fce875fbd2e1606cbded402c90ef4036b869449f2ac81a46ca74e4890a1b30d4df
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SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKjhEvh7h+:NAoglOwvl4ulkP6vghzwYu7vih9GueIm
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2656 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2656 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4764 wrote to memory of 2656 4764 8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe 82 PID 4764 wrote to memory of 2656 4764 8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe 82 PID 4764 wrote to memory of 2656 4764 8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe"C:\Users\Admin\AppData\Local\Temp\8e5ac0072bdbe2373357bf03cef20090306d4ba04c1541d6352c19628eb35572.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD55dbb882485abc4a91f8de05eaab18ea3
SHA1e8d037e510038e133de46af206696fd65384bc89
SHA25665bd73386502db75843db98748a5aee7d9c885a12d4794edede85bec6ff5875f
SHA512c3d5d8deb02705def966d515abf2d0a792295e4447dfba8291fc37be4ac9949b774bd4fd057639850517471ea1febd5fd6f5990705be9b0979a38923f8a4b5d2