241fd90fac3e094e5cb6e4a8ad52465738a44bd0138546d471f73f68117f4d79

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 04:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$_2_/Uninstall.exe
Size 42KB
Sample241003-e4m6fsvcmj
SHA256 e82cd4233a273f9eab2e89302023f690c0b0b1cb7d11861c5dd98547b01b53f9
MD5 9787542432e07524484183fd2fa1a080
SHA1 77daa1bf84000621fd3929eb44b1069794c53b3b
SHA512 66f04867a0d6c7c88f21c0a400673a3e1b6a08fcab3036bc937b322b81d519e4e555cc628b6be5d2cbc76d8c97b4c95157bfb6c37163a540b2b474d1c003276e
SSDEEP 768:/4wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJDJRnhzwr:gLXB65939tY6HBg4sXJk
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4284	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral20/files/0x00070000000234a6-3.dat	nsis_installer_1
behavioral20/files/0x00070000000234a6-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 4284	3024	Uninstall.exe	82
PID 3024 wrote to memory of 4284	3024	Uninstall.exe	82
PID 3024 wrote to memory of 4284	3024	Uninstall.exe	82

C:\Users\Admin\AppData\Local\Temp\$_2_\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$_2_\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- 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_\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4284

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

Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 42KB
SHA256 e82cd4233a273f9eab2e89302023f690c0b0b1cb7d11861c5dd98547b01b53f9
MD5 9787542432e07524484183fd2fa1a080
SHA1 77daa1bf84000621fd3929eb44b1069794c53b3b
SHA512 66f04867a0d6c7c88f21c0a400673a3e1b6a08fcab3036bc937b322b81d519e4e555cc628b6be5d2cbc76d8c97b4c95157bfb6c37163a540b2b474d1c003276e
SSDEEP 768:/4wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJDJRnhzwr:gLXB65939tY6HBg4sXJk
MD5 SHA1 SHA512 SSDEEP

Submit Download