4c3bfe0110373c35a21c09c75df33107ef42dcd1a5a32746e3392971d4a40cc3

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 23:04

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General

Target

Uninstall.exe
Size

49KB
MD5

4bd69d24177c5f5f52e7eedaf82a6b9a
SHA1

0626ed230281570f06b1a79f1717f68e8b4f601a
SHA256

5fd6aac6f53e925a487e984094bac905773eb48acadd13422beab2995893e4c7
SHA512

6164e06667f733c090f5c9734bf91f775cc527678638cda70ae7fd7419a36f0ba2c649650ce8cf5d0a3b465bba3a4bc36e8f53214ad08cc8f41e2decaeb86f95
SSDEEP

1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLz:Dpj7EUbD6mJjceAe

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2060	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2336	Uninstall.exe
2060	Au_.exe
2060	Au_.exe
2060	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral23/files/0x000c000000016cea-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2060	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28
PID 2336 wrote to memory of 2060	2336	Uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2336
- 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
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
49KB

MD5
4bd69d24177c5f5f52e7eedaf82a6b9a

SHA1
0626ed230281570f06b1a79f1717f68e8b4f601a

SHA256
5fd6aac6f53e925a487e984094bac905773eb48acadd13422beab2995893e4c7

SHA512
6164e06667f733c090f5c9734bf91f775cc527678638cda70ae7fd7419a36f0ba2c649650ce8cf5d0a3b465bba3a4bc36e8f53214ad08cc8f41e2decaeb86f95

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