a5bdc87d809ec95ac5116727b79c3f5c4cdfc89d8a08aee9259d5f124e140dd4

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 09:09

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General

Target

uninst.exe
Size

48KB
MD5

a6aa583c54db1d002164883147d22094
SHA1

a917124e61bd4e2e1b0dcada235051644b7bc58d
SHA256

a86fd888cc84a98b1c54d0e593ab1e56a7b213dccf0cee144f334a6729f640d7
SHA512

8d2b6ec88cf641c99a80d3ddfb64c3bc37cd48afe77a7bc8a8d76bfa7ba71a008042039e4c07a9c485b8f315060e1bd8defc75bdc50776c71fc323ef7d4d1118
SSDEEP

1536:74lVqauhF/NXcLUv8OFal8JBXJeUHgdLeAyNliW9LV:74lVWhF/NXkUuOJBXJJHceA5W9LV

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2416	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1760	uninst.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
behavioral9/files/0x0039000000016c9c-2.dat	nsis_installer_1
behavioral9/files/0x0039000000016c9c-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2416	1760	uninst.exe	28
PID 1760 wrote to memory of 2416	1760	uninst.exe	28
PID 1760 wrote to memory of 2416	1760	uninst.exe	28
PID 1760 wrote to memory of 2416	1760	uninst.exe	28
PID 1760 wrote to memory of 2416	1760	uninst.exe	28
PID 1760 wrote to memory of 2416	1760	uninst.exe	28
PID 1760 wrote to memory of 2416	1760	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2416

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
48KB

MD5
a6aa583c54db1d002164883147d22094

SHA1
a917124e61bd4e2e1b0dcada235051644b7bc58d

SHA256
a86fd888cc84a98b1c54d0e593ab1e56a7b213dccf0cee144f334a6729f640d7

SHA512
8d2b6ec88cf641c99a80d3ddfb64c3bc37cd48afe77a7bc8a8d76bfa7ba71a008042039e4c07a9c485b8f315060e1bd8defc75bdc50776c71fc323ef7d4d1118

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