1fdd00d772e0f06af325336a5cc314b6f0b995246a033281fa32a17a6d855ec1

Analysis

max time kernel
101s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 10:12

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General

Target

Uninstall.exe
Size

70KB
MD5

397e276b82b1476b3610f229037ce37f
SHA1

f8e2368eb91a262a35c7b508c985451ed69d2886
SHA256

f3bba2c8c4d22eeab6c9d637b3b600a049e158590e6aad5e7f5b38df4ef36b7e
SHA512

3c34aa3fbbec11b8eed13e584074df1292c3564af7051ab86a1c9ab22a8865f0dbcbd202962964287016b137fe5daf57fe5828135376e360b5ef396f3142e8c2
SSDEEP

1536:mrsKlcypDv17knJGq90D2YzIlwgdLeAyNLEVXNUTqjy08ra:UsKWy9v17kwBD2YzI2ceArVXu+36a

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3064	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	Uninstall.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	Au_.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3064	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3064	3004	Uninstall.exe	29
PID 3004 wrote to memory of 3064	3004	Uninstall.exe	29
PID 3004 wrote to memory of 3064	3004	Uninstall.exe	29
PID 3004 wrote to memory of 3064	3004	Uninstall.exe	29

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- 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⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3064

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
70KB

MD5
397e276b82b1476b3610f229037ce37f

SHA1
f8e2368eb91a262a35c7b508c985451ed69d2886

SHA256
f3bba2c8c4d22eeab6c9d637b3b600a049e158590e6aad5e7f5b38df4ef36b7e

SHA512
3c34aa3fbbec11b8eed13e584074df1292c3564af7051ab86a1c9ab22a8865f0dbcbd202962964287016b137fe5daf57fe5828135376e360b5ef396f3142e8c2

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