42d165d91eb4e6994afb93300dec7e725a66b1594e5ff574e9f2584d287a210b

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 13:50

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General

Target

$0/uninstall.exe
Size

78KB
MD5

eaa163defddb83486eb1276a795eb8ba
SHA1

362833d514cc1e4305afda1af13234da61043932
SHA256

875d9ff6f4868a2235893492bcb0523de6de0e011860264866c211a7175d5f2c
SHA512

75099eecee8c84d6635c18b943000a78c36ae658e79e83d993adc5ecf4517e4926fa5fbef8cb076bbdd40fb47c47116e4396090d017b69c319f90805e8799158
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJIXcpuQMF2Ir1A2/DN:8kjAJ4dDGkJ+AI0TMkQ+2IrR/R

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2788	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2908	uninstall.exe
2788	Au_.exe
2788	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/0x000b000000012252-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2788	2908	uninstall.exe	28
PID 2908 wrote to memory of 2788	2908	uninstall.exe	28
PID 2908 wrote to memory of 2788	2908	uninstall.exe	28
PID 2908 wrote to memory of 2788	2908	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:2908
- 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:2788

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\nsd3FEE.tmp\ioSpecial.ini

Filesize
691B

MD5
4d336eb933051aad125ae35c46534789

SHA1
b7034e93ecfd2f8c9eec33e5ac36e0438d535385

SHA256
b13e77ef6150bfef62de052ccaae5933e1692afc645e09ee9d0092416abccb59

SHA512
9d97d3499ee8be40da345c0f02eba7142948fda28bac27c5faa8ff9cdbb120135444d6e6cf8ff1117fa6de15a3ecbd12af14ba42c703700ba89f7f358feb94ba

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C:\Users\Admin\AppData\Local\Temp\nsd3FEE.tmp\ioSpecial.ini

Filesize
704B

MD5
ce290b00329544b08ac6c806d1dea366

SHA1
37a55512d5323ff76e7b19943e3d368a7e45ff91

SHA256
d2300802da54a3a5b0d7afb7579c8dbb433103e8fb14d7b2395637db73a57e7c

SHA512
757642dad6fe9d4a2d330545a98c5f26eae28136fc1ef105bef1b88b064d42f34a908856f9d15130b9144d25af8df30d10ba73faf0b701c6054bbd0da735f921

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\Users\Admin\AppData\Local\Temp\nsd3FEE.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nsd3FEE.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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

Filesize
78KB

MD5
eaa163defddb83486eb1276a795eb8ba

SHA1
362833d514cc1e4305afda1af13234da61043932

SHA256
875d9ff6f4868a2235893492bcb0523de6de0e011860264866c211a7175d5f2c

SHA512
75099eecee8c84d6635c18b943000a78c36ae658e79e83d993adc5ecf4517e4926fa5fbef8cb076bbdd40fb47c47116e4396090d017b69c319f90805e8799158

Download Submit