6d01b1aef349fe3875d0d5ef1b3270c542b8277c35c4a0be012895d80802322f

Analysis

max time kernel
125s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 14:48

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General

Target

Uninstall.exe
Size

48KB
MD5

5e2b51d672fc3051884e6ed063fcd630
SHA1

67fc8c876b237c37b23980f6c7eead64329febad
SHA256

6d52f241a0322b9d5ae5a8f962133ed61d9cff684367c87132a82f25c8b29dcd
SHA512

eb8a4e39c42da3f89d781d06c4d519fca8d921867479334c23bd95152b807640470bad81af5edb02447a7a6303bc51749ba6c9b470a114b0a8f8f42727ddbab2
SSDEEP

768:SoOjbhlc7sUoQnAz3ppOo0QJSHijv5js/wJJQPgd2iZQAm6kRRS+NoJRnOoiF:XOPhlosUoAarDX1JJQgdLeAyNZP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1924	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
behavioral30/files/0x00070000000235d5-4.dat	nsis_installer_1
behavioral30/files/0x00070000000235d5-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1924	1536	Uninstall.exe	89
PID 1536 wrote to memory of 1924	1536	Uninstall.exe	89
PID 1536 wrote to memory of 1924	1536	Uninstall.exe	89

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:1536
- 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⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1924

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:4688

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
48KB

MD5
5e2b51d672fc3051884e6ed063fcd630

SHA1
67fc8c876b237c37b23980f6c7eead64329febad

SHA256
6d52f241a0322b9d5ae5a8f962133ed61d9cff684367c87132a82f25c8b29dcd

SHA512
eb8a4e39c42da3f89d781d06c4d519fca8d921867479334c23bd95152b807640470bad81af5edb02447a7a6303bc51749ba6c9b470a114b0a8f8f42727ddbab2

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