0dd498e7db089fcb2467ad7d49a4b7259157f19b92ffe897ebe7c17a8de7a139

Analysis

max time kernel
148s
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
09/10/2024, 02:27

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General

Target

Uninstall.exe
Size

39KB
MD5

15b08e75584dbb0badea4bb1701882d0
SHA1

da08bfb3952d9349b886c6e5e31d0870349fdcea
SHA256

6b3fed69031a321bd1c9a0f460970cf069d7e35817fbeff8205fc10ae4f9f08e
SHA512

32af56cd8789be6e260a32194c10e9d81d448e8cca3d6f0a8e7222c9cb25a496aef5bfe3257b1dd96a80fda4d7199d9413e4728632b8542ba04815f214ac0842
SSDEEP

768:sBZp88HBlGQgJ4Qz2wL/DTvuHwosXk/LCI/e/GE4wFBOV1mJKeNhlfypVvX:iZS8H/GZJ402wL7iHwMdnE4tmJ/NXGVP

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
632	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
632	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
behavioral8/files/0x0007000000023ca8-3.dat	nsis_installer_1
behavioral8/files/0x0007000000023ca8-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 632	3504	Uninstall.exe	85
PID 3504 wrote to memory of 632	3504	Uninstall.exe	85
PID 3504 wrote to memory of 632	3504	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:3504
- 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:632

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
39KB

MD5
15b08e75584dbb0badea4bb1701882d0

SHA1
da08bfb3952d9349b886c6e5e31d0870349fdcea

SHA256
6b3fed69031a321bd1c9a0f460970cf069d7e35817fbeff8205fc10ae4f9f08e

SHA512
32af56cd8789be6e260a32194c10e9d81d448e8cca3d6f0a8e7222c9cb25a496aef5bfe3257b1dd96a80fda4d7199d9413e4728632b8542ba04815f214ac0842

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