7a5cd7d9d0ac982f09c8a93051fc48ab072fcc4b52237d1b91494363b9dad27e

Analysis

max time kernel
0s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
25/08/2024, 11:00

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General

Target
bitmaps/uninstall.exe
Size 40KB
Sample240825-m4dwsasfln
SHA256 dfc0fd678a7b58385861164958344ba3a0645fe99e0e2d8f83f896119c64d3aa
MD5 62dc5b132b1fc239655b0137fd46e65f
SHA1 c9bc057389d6de58945fafe2328aae8932eea2f4
SHA512 8d72978ab5a05b098245ece4f9086ce905d78155bbd2302e9f66b9e22b42d755b49a1904642679e08e96eade2f96ad0b2eef7af363a6cb36c8b4b7150d296276
SSDEEP 768:gXWsAYF0UQj0TU9a+IWNu9B1MxlthhMLWI027zpiUGtuMJRnt2sqK:gmsAYBdTU9fEAIS2PEtuU2sqK
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2680	Un_A.exe

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

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2680	2768	uninstall.exe	80
PID 2768 wrote to memory of 2680	2768	uninstall.exe	80
PID 2768 wrote to memory of 2680	2768	uninstall.exe	80

C:\Users\Admin\AppData\Local\Temp\bitmaps\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\bitmaps\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\bitmaps\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 40KB
SHA256 dfc0fd678a7b58385861164958344ba3a0645fe99e0e2d8f83f896119c64d3aa
MD5 62dc5b132b1fc239655b0137fd46e65f
SHA1 c9bc057389d6de58945fafe2328aae8932eea2f4
SHA512 8d72978ab5a05b098245ece4f9086ce905d78155bbd2302e9f66b9e22b42d755b49a1904642679e08e96eade2f96ad0b2eef7af363a6cb36c8b4b7150d296276
SSDEEP 768:gXWsAYF0UQj0TU9a+IWNu9B1MxlthhMLWI027zpiUGtuMJRnt2sqK:gmsAYBdTU9fEAIS2PEtuU2sqK
MD5 SHA1 SHA512 SSDEEP

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