a7a1e32a295fe3d501fa623d6986ff0febd60d770223d699e01735666128b5f0

Analysis

max time kernel
95s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
02/10/2024, 14:46 UTC

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General

Target

uninst.exe
Size

103KB
MD5

87a39d195747958fff0a72afc1003004
SHA1

d8525f0933f83442fffd4b275306ccb489900496
SHA256

c458b155e3564e4ff78e8ddc489d1b2edb9888f077828a3e3743618d8ef801d6
SHA512

6a76a786bf8c13e07f49da9737427417c57afdec0ab822668f8222c576377cfa3633b90a48823bb999c67f4face630ba306fe8043a8d8f5842e94516b037efff
SSDEEP

1536:8MaDxawaNF6hlMg4CS6Em8JSuz0YRN6QcIMUaQYzdddiU2znpxZ26iDm2PS9eXio:8DxaVzwmg4CSW8JSuIqPFQHmx9eygT

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	Un_A.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	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninst.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 576 wrote to memory of 2376	576	uninst.exe	78
PID 576 wrote to memory of 2376	576	uninst.exe	78
PID 576 wrote to memory of 2376	576	uninst.exe	78

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:576
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2376

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\Un_A.exe

Filesize
103KB

MD5
87a39d195747958fff0a72afc1003004

SHA1
d8525f0933f83442fffd4b275306ccb489900496

SHA256
c458b155e3564e4ff78e8ddc489d1b2edb9888f077828a3e3743618d8ef801d6

SHA512
6a76a786bf8c13e07f49da9737427417c57afdec0ab822668f8222c576377cfa3633b90a48823bb999c67f4face630ba306fe8043a8d8f5842e94516b037efff

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