3b4fc2a2e594506881d82a8c418e9bcf572b3269dfab952f5ef70ea6a8838884

Analysis

max time kernel
97s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 13:21

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General

Target

RevoUninstaller_Portable/x64/button.bmp
Size

4KB
MD5

adc319b9cde52444a7486ba50294d34c
SHA1

7a7c4fa9896e6f3d12d8464ad8a98d75c51c1f78
SHA256

18d6342804edc786e5f3c5c6249e68681594809492880c4bcca7c5c490ea4e51
SHA512

785cfe2a03c6f292f012ee0435f436dab814cbf4282fdcd5a31c3df716124ee6c605e7a13b3f7723356db01baa52dcb844dc8e8486189a7fe8fc6522b87f8d5f
SSDEEP

48:yJxwyvOO5Vs9RnMLK2UNsShRYmOB3gVKD4nLyjF:WvOlMK2esShRYmk8GjF

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2684	mspaint.exe
2684	mspaint.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2684	mspaint.exe
2684	mspaint.exe
2684	mspaint.exe
2684	mspaint.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 2684	3556	cmd.exe	85
PID 3556 wrote to memory of 2684	3556	cmd.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RevoUninstaller_Portable\x64\button.bmp
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\system32\mspaint.exe
  "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\RevoUninstaller_Portable\x64\button.bmp"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2684

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:4872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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