43d9426874eea0bb56c3feac25d20bc35fb3ddaa9447e1ca5f0ba3de1d194382

Analysis

max time kernel
424s
max time network
426s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 17:36

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General

Target

Uninstall.exe
Size

123KB
MD5

8e2dd1a931d8163a84602060751b0f1b
SHA1

3ed2fd7883ab106738f5dfd1c7b6664e114d090e
SHA256

32d4d11c64c7949555fd14afa7732964e145342110c30529211867c1f9c1f371
SHA512

30213c8147b320dd439cc66320a830d5ac963c760f0d80b1e87ba7fe0fff5460ad3c0e60cc026af5fcb1611f6654e484fa76f09d881a10f158cd860423694832
SSDEEP

1536:FdnREfs9ke7FggdycMgNULeAyN/ZNTNikT/3eCpZ:FdRGsvFggQcMiYeAqN57

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1860	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral10/files/0x0007000000023cbc-4.dat	nsis_installer_1
behavioral10/files/0x0007000000023cbc-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 1860	4476	Uninstall.exe	82
PID 4476 wrote to memory of 1860	4476	Uninstall.exe	82
PID 4476 wrote to memory of 1860	4476	Uninstall.exe	82

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476
- 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\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1860

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

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
123KB

MD5
8e2dd1a931d8163a84602060751b0f1b

SHA1
3ed2fd7883ab106738f5dfd1c7b6664e114d090e

SHA256
32d4d11c64c7949555fd14afa7732964e145342110c30529211867c1f9c1f371

SHA512
30213c8147b320dd439cc66320a830d5ac963c760f0d80b1e87ba7fe0fff5460ad3c0e60cc026af5fcb1611f6654e484fa76f09d881a10f158cd860423694832

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