c6150be6edb86a171ac5df1d5af44919dbb6ef87ce0a34980a8994286964470b

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 05:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

63KB
MD5

f0e065e98efac98207cba53382f5b5e2
SHA1

09e698e8ddede962f2a400647358814100c27476
SHA256

00e7c45bdc5ae60b5d15e08e25cba060651b4f665943965be1e9cf2c16193fda
SHA512

c68f8e094e1d8e5a93bae48c4624bfe629d0a140619153bc42ddf52ba3f3a589df0e4c05924dc3024a78fd4cfacb84c1ab4a4cd4f71d2cfef8dd26286b1d2cd7
SSDEEP

1536:Iywm7GpD2o6XYZ4nz0D3mJhicgdLeAyN/mGXpF:IyWpD2pX0fD3mJhpceAepF

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2848	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	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

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral31/files/0x002b0000000171a9-2.dat	nsis_installer_1
behavioral31/files/0x002b0000000171a9-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2848	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2848	2040	uninstall.exe	30
PID 2040 wrote to memory of 2848	2040	uninstall.exe	30
PID 2040 wrote to memory of 2848	2040	uninstall.exe	30
PID 2040 wrote to memory of 2848	2040	uninstall.exe	30

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:2040
- 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:2848

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
63KB

MD5
f0e065e98efac98207cba53382f5b5e2

SHA1
09e698e8ddede962f2a400647358814100c27476

SHA256
00e7c45bdc5ae60b5d15e08e25cba060651b4f665943965be1e9cf2c16193fda

SHA512
c68f8e094e1d8e5a93bae48c4624bfe629d0a140619153bc42ddf52ba3f3a589df0e4c05924dc3024a78fd4cfacb84c1ab4a4cd4f71d2cfef8dd26286b1d2cd7

Download Submit