999e219ddeed9d4b0826f78d30abb823122ccaf2eefe8f5bb4ff8316f9443556

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 09:54

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General

Target

uninstall.exe
Size

53KB
MD5

8c8bf9f4ec4ef0b6303db06ffecb1d0f
SHA1

028613f1b3af1f98514f51da73756c60961dab9d
SHA256

5652cdd89ad852f9b0fc44c09c6d190f63ee1034891564522ebd6eb79d0c7dec
SHA512

cb5bd9633d1eb4a07ffe16d8a26fcbc6bc57fd2120265372faf9fbbb9a9ba909c2a6c896f0e917e04614acf756a6c433731329fbc68972fd93560f4fdec2a5be
SSDEEP

768:b1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJ0LWx2mUeOMgE9LQQ34p:5QpQ5EP0ijnRTXJ0LmUewExQQ34p

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2544	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	uninstall.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/0x00050000000186ff-2.dat	nsis_installer_1
behavioral15/files/0x00050000000186ff-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2544	2212	uninstall.exe	30
PID 2212 wrote to memory of 2544	2212	uninstall.exe	30
PID 2212 wrote to memory of 2544	2212	uninstall.exe	30
PID 2212 wrote to memory of 2544	2212	uninstall.exe	30

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:2212
- 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
  PID:2544

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
53KB

MD5
8c8bf9f4ec4ef0b6303db06ffecb1d0f

SHA1
028613f1b3af1f98514f51da73756c60961dab9d

SHA256
5652cdd89ad852f9b0fc44c09c6d190f63ee1034891564522ebd6eb79d0c7dec

SHA512
cb5bd9633d1eb4a07ffe16d8a26fcbc6bc57fd2120265372faf9fbbb9a9ba909c2a6c896f0e917e04614acf756a6c433731329fbc68972fd93560f4fdec2a5be

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