ab371d960f56560423c375168661d90e85c2b91cd83a8d3d6919718c26ce81d1

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 17:30

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General

Target

$0/uninstall.exe
Size

78KB
MD5

239dfe18913b3106b03bf0c113acbfa3
SHA1

da0d9cde3b49c232e85159bf0a0a7a594d216eed
SHA256

8ae77448529690046943a4b98efa151cc8b9f2306207786a1715e3bd505e18cf
SHA512

b1249cda0af88584f779cd9191534b14dd313b8f5231d50a11d807a667bd182a8067698f0ccb15619da1f42587d23b5b68058d5daf2eea289cb7a94f9ecfc59d
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJztC/xcpspCILLyK2/DY:8kjAJ4dDGkJ+AI0ytuOWa/k

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3104	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
3104	Au_.exe
3104	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
behavioral8/files/0x000b0000000233ac-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 3104	3484	uninstall.exe	85
PID 3484 wrote to memory of 3104	3484	uninstall.exe	85
PID 3484 wrote to memory of 3104	3484	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:3484
- 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:3104

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\nsu5E6D.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nsu5E6D.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nsu5E6D.tmp\ioSpecial.ini

Filesize
691B

MD5
8ebd578f7c7a26a818563a0128c92cd3

SHA1
b4b6910dc7f78149a605633f1a5c23cb6b3f388c

SHA256
4e3d210c194b1f5231e3bab76c43964c5ed660174b78ecf3febdbe685d86cd37

SHA512
fb7ac6767e1ce90d552bec67768c7ce45af370588f64301c89736344b8ab711a83304ee05ef6e58461d5bdf1d078a02c5d69b22e54278b488144dc8e39ea27c8

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

Filesize
78KB

MD5
239dfe18913b3106b03bf0c113acbfa3

SHA1
da0d9cde3b49c232e85159bf0a0a7a594d216eed

SHA256
8ae77448529690046943a4b98efa151cc8b9f2306207786a1715e3bd505e18cf

SHA512
b1249cda0af88584f779cd9191534b14dd313b8f5231d50a11d807a667bd182a8067698f0ccb15619da1f42587d23b5b68058d5daf2eea289cb7a94f9ecfc59d

Download Submit