08371868aba92e7e40b8c2b7684ae051d846f288ab5692eb79b4ee19c7f9a4f8

Analysis

max time kernel
136s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 11:42

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General

Target

uninst.exe
Size

47KB
MD5

89da208242478eba8244dff59caa70dd
SHA1

f8fb2231a9d5418e0e7493fb79c97c6d5d903792
SHA256

40e7678e756ec9b60d054d60a97675300a0a762cae2a7b01a48a9f3828e4f753
SHA512

93f06c9e1214f00ab5fe59df022788f5642751f31fa2875a4853c35300f6b5457170df64fec1186fb335904c2ba1e7c80145775c87da8a29073455e91952c419
SSDEEP

768:PhMZ0dF4ZFvQbn+eePu3cIQGCGbiC4k42M3wJJVKBTAScjgUW:PyZMSZFvknTePMZd4k4kJJVercs3

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2164	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	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
behavioral18/files/0x0008000000023277-3.dat	nsis_installer_1
behavioral18/files/0x0008000000023277-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 2164	1164	uninst.exe	85
PID 1164 wrote to memory of 2164	1164	uninst.exe	85
PID 1164 wrote to memory of 2164	1164	uninst.exe	85

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1164
- 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
  - Loads dropped DLL
  PID:2164

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\nsa2D99.tmp\InstallOptions.dll

Filesize
14KB

MD5
0dc0cc7a6d9db685bf05a7e5f3ea4781

SHA1
5d8b6268eeec9d8d904bc9d988a4b588b392213f

SHA256
8e287326f1cdd5ef2dcd7a72537c68cbe4299ceb1f820707c5820f3aa6d8206c

SHA512
814dd17ebb434f4a3356f716c783ab7f569f9ee34ce5274fa50392526925f044798f8006198ac7afe3d1c2ca83a2ca8c472ca53fec5f12bbfbbe0707abacd6b0

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C:\Users\Admin\AppData\Local\Temp\nsa2D99.tmp\ioSpecial.ini

Filesize
564B

MD5
62bed60f934b1c489304769fafcab274

SHA1
99d52314384034af4b6ba7aed2446ed40ba50591

SHA256
970285d15e032803526db651569232ce6c7cf9004d8040493681575ee18db120

SHA512
15418f32bd095530ed8a4033e1029bb52779b4ce4aea919a9f7dbfc0332a1bd675cdf7444555b4a0e0f7b2512221d813dfde3dedb63ee118304e9ded66baccb8

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C:\Users\Admin\AppData\Local\Temp\nsa2D99.tmp\ioSpecial.ini

Filesize
603B

MD5
aa3b14be920a60449888e88d5b04970d

SHA1
c9f00a12de4c5b331d1b4c328e27ffe819d670d3

SHA256
101687027abde3e09e4e7db1c5fc1b59144533ea9f6e660ba9f8168c78826004

SHA512
ef1e984e160bcdd475e81ac428a31f21169f2f8903737fdc6e876e170388bb24e041fbae901fe8c04cd6347c0bb47851261bb065c373ac71cfefc7e1bb3ecb69

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

Filesize
47KB

MD5
89da208242478eba8244dff59caa70dd

SHA1
f8fb2231a9d5418e0e7493fb79c97c6d5d903792

SHA256
40e7678e756ec9b60d054d60a97675300a0a762cae2a7b01a48a9f3828e4f753

SHA512
93f06c9e1214f00ab5fe59df022788f5642751f31fa2875a4853c35300f6b5457170df64fec1186fb335904c2ba1e7c80145775c87da8a29073455e91952c419

Download Submit