3cb4a00b8f4d24b98e8ad74f7aad37bc0d4fd934f86bb7d1f103229e8a62ebaa

Analysis

max time kernel
82s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 23:18

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General

Target

uninst.exe
Size

48KB
MD5

4eed50f4ac48d341a1734f6e07cc6007
SHA1

b0a16a9e896e4159ec824cabacd2104482bae618
SHA256

3fdaee476ae465769b1d61f84de61813310f95b6687e722e09c68e9529972158
SHA512

245f231b0a5340016e153c0011b6767fc3f07267d783cc6c10cac40e7ab0b8fbecee31bbf8973a0ec842e351b8be7acfb292238ae5e8d0c83c9fbf71b7964507
SSDEEP

768:lPH4rKS4GDkQBZ3ImWlTtEIRlJ+qFZ2bSgJzANqM3wJJwgd2iZQAm6kRRS+NoJR3:lf4exGDkeZ4mOoSgJEAJJwgdLeAyN10

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5052	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
5052	Au_.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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral20/files/0x0007000000023454-3.dat	nsis_installer_1
behavioral20/files/0x0007000000023454-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 5052	1204	uninst.exe	84
PID 1204 wrote to memory of 5052	1204	uninst.exe	84
PID 1204 wrote to memory of 5052	1204	uninst.exe	84

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5052

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\~nsu.tmp\Au_.exe

Filesize
48KB

MD5
4eed50f4ac48d341a1734f6e07cc6007

SHA1
b0a16a9e896e4159ec824cabacd2104482bae618

SHA256
3fdaee476ae465769b1d61f84de61813310f95b6687e722e09c68e9529972158

SHA512
245f231b0a5340016e153c0011b6767fc3f07267d783cc6c10cac40e7ab0b8fbecee31bbf8973a0ec842e351b8be7acfb292238ae5e8d0c83c9fbf71b7964507

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