90bd86800a13de5d8b5bcc76ed14c4a765c77748c5746a119c120411df6b9ccd

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 04:28

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General

Target

Uninstall.exe
Size

49KB
MD5

7bfc4edf628af9b2719837570b52f52b
SHA1

33759ed15c91e987e27c2159d651c06a8ea61cb4
SHA256

2fd60e54798f2e1dce8f24cdeb79b19194265b5bfea88588b58d84f3f0af01eb
SHA512

094b4efc64a8cd4a682e7072a94c303e4fcf8dba70d14032ece40381135b2b5f1f5e9254b260e1734162d8e30c94cfea9299fe701c776ec182f266e71fe3889e
SSDEEP

1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLsU:Dpj7EUbD6mJjceArU

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2488	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1128	Uninstall.exe
2488	Au_.exe
2488	Au_.exe
2488	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/0x000c0000000133c5-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2488	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 2488	1128	Uninstall.exe	28
PID 1128 wrote to memory of 2488	1128	Uninstall.exe	28
PID 1128 wrote to memory of 2488	1128	Uninstall.exe	28
PID 1128 wrote to memory of 2488	1128	Uninstall.exe	28
PID 1128 wrote to memory of 2488	1128	Uninstall.exe	28
PID 1128 wrote to memory of 2488	1128	Uninstall.exe	28
PID 1128 wrote to memory of 2488	1128	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:1128
- 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:2488

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
7bfc4edf628af9b2719837570b52f52b

SHA1
33759ed15c91e987e27c2159d651c06a8ea61cb4

SHA256
2fd60e54798f2e1dce8f24cdeb79b19194265b5bfea88588b58d84f3f0af01eb

SHA512
094b4efc64a8cd4a682e7072a94c303e4fcf8dba70d14032ece40381135b2b5f1f5e9254b260e1734162d8e30c94cfea9299fe701c776ec182f266e71fe3889e

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