518601dff51642f794f17841a749a9de071f19e5752ce7e0c35cad84cd103e92

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 18:42

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General

Target

uninst.exe
Size

171KB
MD5

b0cc142e9291b79d7c279cd17ccafefc
SHA1

62a0246281458923acf27cbf005b08f20c42dc98
SHA256

c2652a971261b77a393efe01a3f457eb0df88586d26bbd49221e22ec4f3a375a
SHA512

28160be30d4408f05c8e2bcd58452dcbdcee41b8ff5958946c2e6e0161626d8bcd2aab029165606b5aa42bf204f0ea3ec607c88ee6dc8a2c99e096ba69962474
SSDEEP

3072:H3c1fP4AJJC6KCc5T9W6Dd6SLem+RgEzFYALxM6IiD3:XOPjm6AGEQSqNp5LxM6IG3

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1684	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1684	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2756	uninst.exe
1684	Au_.exe
1684	Au_.exe
1684	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
behavioral15/files/0x0006000000016843-2.dat	nsis_installer_1
behavioral15/files/0x0006000000016843-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 1684	2756	uninst.exe	28
PID 2756 wrote to memory of 1684	2756	uninst.exe	28
PID 2756 wrote to memory of 1684	2756	uninst.exe	28
PID 2756 wrote to memory of 1684	2756	uninst.exe	28
PID 2756 wrote to memory of 1684	2756	uninst.exe	28
PID 2756 wrote to memory of 1684	2756	uninst.exe	28
PID 2756 wrote to memory of 1684	2756	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:2756
- 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
  - Loads dropped DLL
  PID:1684

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
171KB

MD5
b0cc142e9291b79d7c279cd17ccafefc

SHA1
62a0246281458923acf27cbf005b08f20c42dc98

SHA256
c2652a971261b77a393efe01a3f457eb0df88586d26bbd49221e22ec4f3a375a

SHA512
28160be30d4408f05c8e2bcd58452dcbdcee41b8ff5958946c2e6e0161626d8bcd2aab029165606b5aa42bf204f0ea3ec607c88ee6dc8a2c99e096ba69962474

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