478e5a10a2d3f41fd903448dd9d06c7d901a53933cfa7d90f10d905d01c8fb49

Analysis

max time kernel
91s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 05:13

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General

Target

$0/uninstall.exe
Size

87KB
MD5

ff795d8c92ba9e210087811450f07b86
SHA1

6c2959c83a4c460b77a285473cb02de79d01d1b0
SHA256

7911cc2005f04f64f514f0aedaf9bde9aec48e51ecb9e0b21981e39a3885cd68
SHA512

951620bede769f77b40f1d315841604212632a2f5095df5cf9134811f43328e95f4c36962fecc2fdc7639ed1570238a9578c6cc1d2e7b17b820ba3c7909cf401
SSDEEP

1536:HEkjY1zy214Qay0DGkJbvPJDtimfOx+cp17GP/W8eptep2/D90w:kkjAJ4dDGkJzniUkOPebp0o/Z

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4116	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
4116	Au_.exe
4116	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral4/files/0x0008000000023243-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4116	4584	uninstall.exe	85
PID 4584 wrote to memory of 4116	4584	uninstall.exe	85
PID 4584 wrote to memory of 4116	4584	uninstall.exe	85

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4584
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4116

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\nsv5564.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nsv5564.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nsv5564.tmp\ioSpecial.ini

Filesize
598B

MD5
8f41f2743bccf3b34a8fbcc136b346a1

SHA1
110c98452d84ca16a0bc1fd4e790bcd688b49ef9

SHA256
9085754ad139daf44568936e35e9dd5807af87e7bd1937e0b66058567b6eca77

SHA512
0c0c41fcd7c7cd0fe34cbdb1409e53539cbe4ed9e0fba9a5c9ff58b185f3d1912aeb07ece8f11f5cef8c0ba5f918048a297d515fb6fe56ae1408ca583c3fb0e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
87KB

MD5
ff795d8c92ba9e210087811450f07b86

SHA1
6c2959c83a4c460b77a285473cb02de79d01d1b0

SHA256
7911cc2005f04f64f514f0aedaf9bde9aec48e51ecb9e0b21981e39a3885cd68

SHA512
951620bede769f77b40f1d315841604212632a2f5095df5cf9134811f43328e95f4c36962fecc2fdc7639ed1570238a9578c6cc1d2e7b17b820ba3c7909cf401

Download Submit