a6420a4917f7c8a3c139d1ffbc21ce9a5feef794b6e8fa0b77f7b6187e6d824b

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28/06/2024, 04:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Uninstall.exe
Size

49KB
MD5

aea6c63737602f35bc15439be08fda1b
SHA1

766def630e9dc5539f08aa5c2ae49a9941badec6
SHA256

daa92bd80117f404e16cc6f834a6289b96c39c630626bb3f03d27cfda956c202
SHA512

0c04894313f0da3e1db01cd1112511dd5083a92e5e3963a27e4e440b408e1c8de8758af70d5ed898871330eccf96688a1183d7e8c8f5e7f3a7e5877c630f9bb9
SSDEEP

768:eH4TpUwV2lsQh+6dGITt/MGKLN/QPsuWy0D3cFBOV1mJrgd2iZQAm6kRRS+NoJR/:eYTmwVUsW7dtJMHy0DxmJrgdLeAyNLaz

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2220	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2208	Uninstall.exe
2220	Au_.exe
2220	Au_.exe
2220	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
behavioral5/files/0x0036000000015d42-2.dat	nsis_installer_1
behavioral5/files/0x0036000000015d42-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2220	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2220	2208	Uninstall.exe	28
PID 2208 wrote to memory of 2220	2208	Uninstall.exe	28
PID 2208 wrote to memory of 2220	2208	Uninstall.exe	28
PID 2208 wrote to memory of 2220	2208	Uninstall.exe	28
PID 2208 wrote to memory of 2220	2208	Uninstall.exe	28
PID 2208 wrote to memory of 2220	2208	Uninstall.exe	28
PID 2208 wrote to memory of 2220	2208	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:2208
- 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:2220

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\~nsu.tmp\Au_.exe

Filesize
49KB

MD5
aea6c63737602f35bc15439be08fda1b

SHA1
766def630e9dc5539f08aa5c2ae49a9941badec6

SHA256
daa92bd80117f404e16cc6f834a6289b96c39c630626bb3f03d27cfda956c202

SHA512
0c04894313f0da3e1db01cd1112511dd5083a92e5e3963a27e4e440b408e1c8de8758af70d5ed898871330eccf96688a1183d7e8c8f5e7f3a7e5877c630f9bb9

Download Submit