1fc473958611f369cd79f6d35d96c8bd7ff5724b9980106b3284c917da17d674

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 04:15

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General

Target

uninst.exe
Size

980KB
MD5

b6ed789b9cec1c393b13ef9865ad23dd
SHA1

d1c7642119dd554792c1ab5599bbf31cd220a78f
SHA256

c48d748e9a7d8b96b48246abb328d239e8ff3381f57cb16f7098a02ecb803726
SHA512

05fe99d7cba47717a95f9251a5d746e3ba313ed9fd0822e3587b9f555250b11ee6ee2aaf33984fed689175bedebd9540967fed74dc77c920372a7a2b117bf43e
SSDEEP

24576:xHA0XEh9sHiC5RpWE7e6MWmZFDV3UOe6o1hg:xg0Xc9sHsyeBfVlehzg

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4656	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4656	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
behavioral22/files/0x000b000000023b8d-3.dat	nsis_installer_1
behavioral22/files/0x000b000000023b8d-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 4656	860	uninst.exe	87
PID 860 wrote to memory of 4656	860	uninst.exe	87
PID 860 wrote to memory of 4656	860	uninst.exe	87

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4656

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

C:\Users\Admin\AppData\Local\Temp\nsi416F.tmp\nsDui.dll

Filesize
1.3MB

MD5
874800803e12da10f7d028d1a2bf640f

SHA1
b86ee59ab1efb739df6397a635d21f8787a08034

SHA256
7c652efcfc27057fcf7a2feaa74b69ec839a01d2f74344ca93b92f0b9288419f

SHA512
45dbda2c6e3a5fbba8a7cd0788928c5863e726d57724031f18080defc103e6803e40fcbdb07285bbfe973656372a5e73a42e504ad611c59eccbd8ed7422a4d47

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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

Filesize
980KB

MD5
b6ed789b9cec1c393b13ef9865ad23dd

SHA1
d1c7642119dd554792c1ab5599bbf31cd220a78f

SHA256
c48d748e9a7d8b96b48246abb328d239e8ff3381f57cb16f7098a02ecb803726

SHA512
05fe99d7cba47717a95f9251a5d746e3ba313ed9fd0822e3587b9f555250b11ee6ee2aaf33984fed689175bedebd9540967fed74dc77c920372a7a2b117bf43e

Download Submit