fc4623b113a1f603c0d9ad5f83130bd6de1c62b973be9892305132389c8588de

Analysis

max time kernel
63s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 23:32

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General

Target

$PLUGINSDIR/modern-header.bmp
Size

29KB
MD5

d8f59a707b2a5000c7903595eddc3d48
SHA1

e86239fe1dc3cfdbec6006817160eb5f1fc92bca
SHA256

c0e284fde834fe8a6f90504dba7abff25b1e7dd4611483341203fd3efc5de8a6
SHA512

91e28a685733620832d3851d7f3eee36495f2728610bd6c66f305cdda039f75ab8499d0e51e64afa018c221a728889503db2fc7c84cf9599a61b68951686b048
SSDEEP

192:UdCd/28k2hZrlQ+jP3/PGs/ZkTnSQpuWE:UD8jLlQ+jP3///ZUSJ5

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-1-5-21-2288054676-1871194608-3559553667-1000\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-1-5-21-2288054676-1871194608-3559553667-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4888	mspaint.exe
4888	mspaint.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4888	mspaint.exe
4888	mspaint.exe
4888	mspaint.exe
4888	mspaint.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 4888	908	cmd.exe	87
PID 908 wrote to memory of 4888	908	cmd.exe	87

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\system32\mspaint.exe
  "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4888

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:3396

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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