525a2eb43f2a4c702213723541335dc0391b42a01177e1faf5873e0cb7540ce0

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 16:39

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General

Target

uninstall.exe
Size

37KB
MD5

078daf9669ef12a368f1aed5a21b1cd1
SHA1

fc4d9a58d42089d6e7c42f45b92d87f978958dea
SHA256

0a91e2fab1de979c8bd0816c5a709deb7bdb80a198c9163d58a5ce377607fb9d
SHA512

7a18dcf41e30278cc1348c51ad904f9024dd431c48faa576484f8b189e53bccffade0a94563d0bf76fb07a0cbdc6033dec95ec8f1ad59c32518967b8d59df30d
SSDEEP

768:FaKoIAEPaXHQe5cDOnLT6OSKQGg1qtOqGVfmMk0D3/jIp3KlcEJRnYlCd8:UKJAES3bS2L6KbuVfmMk0DCwctlCd8

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid process

1276 Au_.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1276	Au_.exe

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

Processes:

uninstall.exeAu_.exe

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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

uninstall.exe

description	pid	process	target process
PID 1208 wrote to memory of 1276	1208	uninstall.exe	Au_.exe
PID 1208 wrote to memory of 1276	1208	uninstall.exe	Au_.exe
PID 1208 wrote to memory of 1276	1208	uninstall.exe	Au_.exe

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:1208
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1276

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\~nsuA.tmp\Au_.exe

Filesize
37KB

MD5
078daf9669ef12a368f1aed5a21b1cd1

SHA1
fc4d9a58d42089d6e7c42f45b92d87f978958dea

SHA256
0a91e2fab1de979c8bd0816c5a709deb7bdb80a198c9163d58a5ce377607fb9d

SHA512
7a18dcf41e30278cc1348c51ad904f9024dd431c48faa576484f8b189e53bccffade0a94563d0bf76fb07a0cbdc6033dec95ec8f1ad59c32518967b8d59df30d

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