0644252f19a715f2c0733f912ed4dfacaf36b48caad6a69b472ab81fb0f72b81

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 07:57

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General

Target

Uninstall.exe
Size

51KB
MD5

56b6009ad6d0c79fbb5d0d8363701c63
SHA1

05c448304b558d6c1762e4b53f368315f29e8794
SHA256

1c9a4582dfd8cd00f9ccce0dc609094b955f03952606c18427c2080e33834f30
SHA512

54c2121bc385294e6513328c07866317f25c258a4cd06e491ec1e2027431f74e9b4fab16104010d221356e7949c149189035c0ce845a0f7e8f41e13082bd66ba
SSDEEP

1536:qrsKlcypDv17knJGq90D2YzIegdLeAyNxOMra:QsKWy9v17kwBD2YzIeceANKa

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2972	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1680	Uninstall.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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2972	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2972	1680	Uninstall.exe	30
PID 1680 wrote to memory of 2972	1680	Uninstall.exe	30
PID 1680 wrote to memory of 2972	1680	Uninstall.exe	30
PID 1680 wrote to memory of 2972	1680	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2972

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

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
51KB

MD5
56b6009ad6d0c79fbb5d0d8363701c63

SHA1
05c448304b558d6c1762e4b53f368315f29e8794

SHA256
1c9a4582dfd8cd00f9ccce0dc609094b955f03952606c18427c2080e33834f30

SHA512
54c2121bc385294e6513328c07866317f25c258a4cd06e491ec1e2027431f74e9b4fab16104010d221356e7949c149189035c0ce845a0f7e8f41e13082bd66ba

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