1d08b33d67ae41585ddbf7c172844e7e6ea5c8191a7738e0e8c6a831f6cb5b52

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 05:03

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General

Target

uninst.exe
Size

57KB
MD5

dc3cfff7c7e83cb04970882158856c40
SHA1

589a2b20c0995f79f7a3d58adfe58ae9de9e8f89
SHA256

fdc085c4dc228fd0edb1c510190b6ada7cdc3b9abcd85d1f35d0de8650ddde68
SHA512

8984375674245bb91f54f2926d00544cf155f218bd0e9fe6a2218f22f0a050f3a992436f16c69b66effa6e2c718a77cc64aeda343cf3d077d926fc6d06acac5f
SSDEEP

768:nb4s6pIH65JbQRY63LVCIvFAUKWO95EnNz0D3VFS6sWkJYJRn1zgsA8ahRn3d19S:bjLaMv3xnCwNz0DxkJE+jhRZQEw54md

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3104	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
3104	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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral12/files/0x000800000002346a-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 3104	1840	uninst.exe	85
PID 1840 wrote to memory of 3104	1840	uninst.exe	85
PID 1840 wrote to memory of 3104	1840	uninst.exe	85

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:1840
- 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:3104

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
57KB

MD5
dc3cfff7c7e83cb04970882158856c40

SHA1
589a2b20c0995f79f7a3d58adfe58ae9de9e8f89

SHA256
fdc085c4dc228fd0edb1c510190b6ada7cdc3b9abcd85d1f35d0de8650ddde68

SHA512
8984375674245bb91f54f2926d00544cf155f218bd0e9fe6a2218f22f0a050f3a992436f16c69b66effa6e2c718a77cc64aeda343cf3d077d926fc6d06acac5f

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