aee69ef9040e902b7a6639d7594df47e0e73625143a671583db8b85be525a3e5

Resubmissions

02/03/2024, 22:38

240302-2kwptaae3710

02/03/2024, 22:34

240302-2g86qsad9610

Analysis

max time kernel
164s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2024, 22:34

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General

Target
Fake AV/Antivirus2010.exe
Size 775KB
Sample240302-2g86qsad96
SHA256 1501affdcf557a9dcb73ae34d43365d5301532a48328564160fdc1f3acb01e2e
MD5 f49bcb5336b1e1212ae82cbb98f8dfe4
SHA1 fc87518aee297f9c18e40f4604ea048aec0342c4
SHA512 51a4b1a5ede81e4dbeb9a335fe3a370e6ae452a46d4f4ce8753b37d6e399b00e0de3b066921febf1b5b20f5e3356e0d93da5df366acd2002b792ecb7eb32a7e4
SSDEEP 12288:msCyG0JUuqby8mkxhZZIQUopL1UnDs1WxWM1W0pdNkFGNjB7tDWYK:j/kxX/ZLwo1WgMPACBv
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4880	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
4200	usеrinit.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 732 set thread context of 4880	732	Antivirus2010.exe	96

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\registry\machine\Software\Classes\Interface\{f456cbc2-bfc5-6f65-aca0-986e7eba0308}	Antivirus2010.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{f456cbc2-bfc5-6f65-aca0-986e7eba0308}\u = "3"	Antivirus2010.exe
Key created	\registry\machine\Software\Classes\WOW6432Node\Interface\{f456cbc2-bfc5-6f65-aca0-986e7eba0308}	Antivirus2010.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{f456cbc2-bfc5-6f65-aca0-986e7eba0308}\u = "3"	Antivirus2010.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4200	usеrinit.exe
4200	usеrinit.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	732	Antivirus2010.exe
Token: SeSecurityPrivilege	732	Antivirus2010.exe
Token: SeDebugPrivilege	4200	usеrinit.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 4880	732	Antivirus2010.exe	96
PID 732 wrote to memory of 4880	732	Antivirus2010.exe	96
PID 732 wrote to memory of 4880	732	Antivirus2010.exe	96
PID 732 wrote to memory of 4880	732	Antivirus2010.exe	96
PID 732 wrote to memory of 4200	732	Antivirus2010.exe	98
PID 732 wrote to memory of 4200	732	Antivirus2010.exe	98

C:\Users\Admin\AppData\Local\Temp\Fake AV\Antivirus2010.exe
"C:\Users\Admin\AppData\Local\Temp\Fake AV\Antivirus2010.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Deletes itself
  PID:4880
- \??\globalroot\systemroot\system32\usеrinit.exe
  /install
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4200

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:8
1⤵
PID:1404

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

usеrinit.exe

Path \??\globalroot\systemroot\system32\usеrinit.exe
Size 139KB
SHA256 29b5b65a1cdf119ac7c6c9df76c6843b25a81bd00aa5a5e995ec675e34bf1acb
MD5 4acd14244d2cd76d06939163127cfb10
SHA1 75f3e3c764f7d20c9950f5410f753f3210bcc2e7
SHA512 001504da15c1825102479ba379b0be7ec15e779626d450d9d763552d7e1ac71f5bb86110f9361363bd401aabc53cdfd2d554480aec8bef85ed8c7b03cebf4031
SSDEEP 3072:b/3VPjhXdnXuWD3sQg4q0sA+j42SWX3rfxzpai:PXBnDIj42N1ai
MD5 SHA1 SHA512 SSDEEP

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mseeeeee.dll

Path \systemroot\system32\mseeeeee.dll
Size 718KB
SHA256 dbe318e7c72f9558f836c920510a5245ae5af29996b62f661399ce3724458ec3
MD5 8736c2a37ff0adf6f03d94bb34d1f784
SHA1 e4867b136e100c9d45f6adea593c9a636134f308
SHA512 2bbb22540e6ae0ebdd7c5303f67fb3911025a9f8f68c1c192edf5247a66bff885e292dded093d4522488b9a98f5bb00f24b00374e8eeb219184faacc95818848
SSDEEP 12288:sJ+q7OQd3AKUDf6i4ZPTdzoJWUFyw3ePyLY0V+AIrLa2XB1OMkfV7IJJn4b2v:Uv3AKvZPZcJhFJePyY0V+A6bR1OMkf+x
MD5 SHA1 SHA512 SSDEEP

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memory/732-1-0x0000000000400000-0x00000000004C4400-memory.dmp

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memory/732-2-0x00000000006A0000-0x00000000008A0000-memory.dmp

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memory/732-10-0x0000000000400000-0x00000000004C4400-memory.dmp

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