a3493f39327e7cfb172453dac5dea46e625a193adb92feab5ac0225017d28dad

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2024, 05:48

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General

Target

uninst.exe
Size

33KB
MD5

8a85e3d6517152a8ddaac8c547f942d8
SHA1

9414ffdd847ad89076bc2b6807540bc0f2c85791
SHA256

93e1d700f16cba773ff18810ff0bb1b488a93fd18c0f5f90013b5448ca624fb3
SHA512

435912030953e06118bdf6b717de99d7982d0e890aa328312c6b9c20e0262c5433cac5ca6e91c1b9b36879df0efc760c98a24d3dadb900b4b744771f3eaf673a
SSDEEP

768:TXKsDnvuB3hRx867tuXLx5Ro2NP0u6X71F38s1mJlEj:LKsTvudhg67q1mX7BmJlEj

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2716	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	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	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninst.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral18/files/0x0007000000023cdb-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 2716	3480	uninst.exe	82
PID 3480 wrote to memory of 2716	3480	uninst.exe	82
PID 3480 wrote to memory of 2716	3480	uninst.exe	82

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:3480
- 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:2716

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
33KB

MD5
8a85e3d6517152a8ddaac8c547f942d8

SHA1
9414ffdd847ad89076bc2b6807540bc0f2c85791

SHA256
93e1d700f16cba773ff18810ff0bb1b488a93fd18c0f5f90013b5448ca624fb3

SHA512
435912030953e06118bdf6b717de99d7982d0e890aa328312c6b9c20e0262c5433cac5ca6e91c1b9b36879df0efc760c98a24d3dadb900b4b744771f3eaf673a

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