ab371d960f56560423c375168661d90e85c2b91cd83a8d3d6919718c26ce81d1

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
2368	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2324	uninstall.exe
2368	Au_.exe
2368	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
behavioral7/files/0x000d000000012331-6.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2368	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2368	2324	uninstall.exe	28
PID 2324 wrote to memory of 2368	2324	uninstall.exe	28
PID 2324 wrote to memory of 2368	2324	uninstall.exe	28
PID 2324 wrote to memory of 2368	2324	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2324
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2368

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\nsy14D9.tmp\ioSpecial.ini

Filesize
691B

MD5
24054f44524f39894c82c4693d5b5117

SHA1
8cf5fe662e9294fd697eb5d8d58bd317f4d6d50b

SHA256
e89142cbb42cd533ea17557a032d872683b23a79a4406b3285b11699fbc813c6

SHA512
a2876af7a4589868e334ac377d8e4b12d9ce364a08f5c8684b952e674eff3cd6d3e6ffa3a0adf2763067d58592ad66c73d06f8ba48823a39f6a354e9449b57b6

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

Filesize
78KB

MD5
239dfe18913b3106b03bf0c113acbfa3

SHA1
da0d9cde3b49c232e85159bf0a0a7a594d216eed

SHA256
8ae77448529690046943a4b98efa151cc8b9f2306207786a1715e3bd505e18cf

SHA512
b1249cda0af88584f779cd9191534b14dd313b8f5231d50a11d807a667bd182a8067698f0ccb15619da1f42587d23b5b68058d5daf2eea289cb7a94f9ecfc59d

Download Submit
\Users\Admin\AppData\Local\Temp\nsy14D9.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

Download Submit
\Users\Admin\AppData\Local\Temp\nsy14D9.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

Download Submit