d0f8c38d4c1bd79eea3ccd442f529671e254d101f169f8125aea395601f884c5

Analysis

max time kernel
130s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 11:02

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General

Target

$0/uninstall.exe
Size

78KB
MD5

6cb48d1cb718fc05f23b74f20da3b939
SHA1

497efb2296e4365d4bd71bee79db83eb7c8d9421
SHA256

1778f4f2b601716e35b489909435adf17bcb02d5354d2fbe3fc939d4c883d037
SHA512

402842ea693536b017b37753de398ae01ade1bfd99d6907d52e480b47388bb0f712fe8e9b587e4a1639d22caa52ab6299349c9a73ed80d04c8cce8ecddf9eb16
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJocpu/tQ4W2w6LZU/x+6cN1WV/2/D/:8kjAJ4dDGkJ+AI0+6CJwZU/xfcN1WVuT

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
844	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
844	Au_.exe
844	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/0x00080000000234c3-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 844	972	uninstall.exe	84
PID 972 wrote to memory of 844	972	uninstall.exe	84
PID 972 wrote to memory of 844	972	uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:844

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\nsn9934.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nsn9934.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nsn9934.tmp\ioSpecial.ini

Filesize
616B

MD5
b31348a43feb92a017736cd2d3addc0e

SHA1
c6f58403cd20b1cf3876f3f8faddb10575aa6b38

SHA256
418cd09846a6c43dbcdb88837bccc5f3e0223d816e41c901f80d44caa19a7fe3

SHA512
42b38ecd160305bd938d214879abd6c3e4c88364d574eb0d8042ddd8fd9ad993120968067ddec563cb5a20a49e741dc70115aa6d4387cc7c0dea2763516f0756

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

Filesize
78KB

MD5
6cb48d1cb718fc05f23b74f20da3b939

SHA1
497efb2296e4365d4bd71bee79db83eb7c8d9421

SHA256
1778f4f2b601716e35b489909435adf17bcb02d5354d2fbe3fc939d4c883d037

SHA512
402842ea693536b017b37753de398ae01ade1bfd99d6907d52e480b47388bb0f712fe8e9b587e4a1639d22caa52ab6299349c9a73ed80d04c8cce8ecddf9eb16

Download Submit