291252199ddf775e13603f16a621a7c0949355b723e8f8ceff5331a0636a92f7

Analysis

max time kernel
140s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 01:50

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General

Target

Uninstall.exe
Size

66KB
MD5

8778423a181d2fc2fa4ecb9689ad0b53
SHA1

37997238282d05756f73a44dc25b585ef4b443f0
SHA256

34c8e19784ac9df128de632039efa10181945b48802b775896caa249be662922
SHA512

71734c32494b69034beaf0662ce8a3d5549cef819d520d21f1ca4cd02ae6f6c5e5f86e5624044d9f9e6abc55983ea3072b1739e66c802961e7e2916f73b998d6
SSDEEP

1536:DuLdaekIpG1GCDPy+EiaD4y3oAYp+d5qw6Re+u5aZ:bep8PHGDUw6ReGZ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
708	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 1 IoCs

installer

resource	yara_rule
behavioral8/files/0x0007000000023479-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 708	3876	Uninstall.exe	85
PID 3876 wrote to memory of 708	3876	Uninstall.exe	85
PID 3876 wrote to memory of 708	3876	Uninstall.exe	85

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:3876
- 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
  PID:708

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
66KB

MD5
8778423a181d2fc2fa4ecb9689ad0b53

SHA1
37997238282d05756f73a44dc25b585ef4b443f0

SHA256
34c8e19784ac9df128de632039efa10181945b48802b775896caa249be662922

SHA512
71734c32494b69034beaf0662ce8a3d5549cef819d520d21f1ca4cd02ae6f6c5e5f86e5624044d9f9e6abc55983ea3072b1739e66c802961e7e2916f73b998d6

Download Submit
memory/708-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3876-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download