612dc9998c86cb5b6e7260521913c1ca315482123f0870101629755a50c1ed34

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 20:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Uninstall.exe
Size

74KB
MD5

b93c0ef37e7aef661be8a56a12e3b790
SHA1

ed7afcb83c257fc07a6bcf5f3a30eb4262029b56
SHA256

01205e35be12e92f5806d3a00a40cd1f39057825e00eae19957d7dc4e0048d86
SHA512

1d373ed0dff4174ece37a84d6c45f75d6503032bcf610581e822f269e118630580afadb504f13d2924d95c3a9bd54cb1650f6727dab645ac3070e1f8d981b717
SSDEEP

1536:czj4loW/INYCgJc0JJ3+zR5NiOelaut2N0aPggO3dUwb4J:czjQFJbJJ3+z14aY20aggudUg8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2784	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2904	Uninstall.exe
2784	Au_.exe
2784	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x0034000000015662-2.dat	nsis_installer_1
behavioral13/files/0x0034000000015662-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2784	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2784	2904	Uninstall.exe	28
PID 2904 wrote to memory of 2784	2904	Uninstall.exe	28
PID 2904 wrote to memory of 2784	2904	Uninstall.exe	28
PID 2904 wrote to memory of 2784	2904	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:2904
- 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:2784

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nst18FF.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nst18FF.tmp\nsDialogs.dll

Filesize
9KB

MD5
ab73c0c2a23f913eabdc4cb24b75cbad

SHA1
6569d2863d54c88dcf57c843fc310f6d9571a41e

SHA256
3d0060c5c9400a487dbefe4ac132dd96b07d3a4ba3badab46a7410a667c93457

SHA512
99d287b5152944f64edc7ce8f3ebcd294699e54a5b42ac7a88e27dff8a68278a5429f4d299802ee7ddbe290f1e3b6a372a5f3bb4ecb1a3c32e384bca3ccdb2b8

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

Filesize
74KB

MD5
b93c0ef37e7aef661be8a56a12e3b790

SHA1
ed7afcb83c257fc07a6bcf5f3a30eb4262029b56

SHA256
01205e35be12e92f5806d3a00a40cd1f39057825e00eae19957d7dc4e0048d86

SHA512
1d373ed0dff4174ece37a84d6c45f75d6503032bcf610581e822f269e118630580afadb504f13d2924d95c3a9bd54cb1650f6727dab645ac3070e1f8d981b717

Download Submit