919adef1b9d2ca7e57adff15c05837bf7ff3574c66805fabcfb3f7305f7989c7

Analysis

max time kernel
138s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
23/06/2024, 23:22

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General

Target

$0/uninstall.exe
Size

83KB
MD5

4b5a133c83ffe05472ed40ed4a54ebda
SHA1

b2e988f53b1a80a98ca59d72d2e87946f2df693a
SHA256

ffa8a345433dc3eaebd9b4cb591146810cee70fcedefcb90b5033c58373455a7
SHA512

6d34ade3ca17ac33036d129e1c60156c94bd022ad3bebfb0356180f27aff83eda2fce5b19a8210f3e8ee92fc3d19328d38b526c0223c774e85195ba1c4c504d0
SSDEEP

1536:dEkjY1zy214Qay0DGkJ7qAELVigJaSXcpp0bUYr9H63dZZ2/DyO:akjAJ4dDGkJ+AI0tSMsUYk3d6/7

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1544	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1544	Au_.exe
1544	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/0x0009000000023433-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 1544	3644	uninstall.exe	82
PID 3644 wrote to memory of 1544	3644	uninstall.exe	82
PID 3644 wrote to memory of 1544	3644	uninstall.exe	82

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3644
- 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:1544

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\nsu45A5.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nsu45A5.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nsu45A5.tmp\ioSpecial.ini

Filesize
619B

MD5
22f0feb49e35a17888a013f1294b06d9

SHA1
4cf6d8484945fcd7f4c1b60e2a4d0681c6e1365f

SHA256
ac11cc1e0c30a8ba71fc0082ad36b2067333efb303a72a22e3bae0e9c1d6d59f

SHA512
8f5eca027910f6952636363eeddf3c0b51c15353a0d8875ec229203a2a9b609cef5673583cec593cf73d91f17f53c1b8b41447f8340b567efdd0fc22690486d5

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C:\Users\Admin\AppData\Local\Temp\nsu45A5.tmp\ioSpecial.ini

Filesize
645B

MD5
dab22d09ac8881d1524614460cd7a22b

SHA1
9b3d4b336373f3ba5ab91f1b96bca8414e2d382f

SHA256
5fe294ed6d14bd1122680e7dd3b2888b4c0c218fd9d4bdb30920ba129961ff58

SHA512
e68ea568cbb1123e02289125eb44e3f5568f9a3e2714f9a725c695bd38af718bbac9682b04744328be3d4af933bc29f8c30042fbe9c9a3088c6a54d2e8313413

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

Filesize
83KB

MD5
4b5a133c83ffe05472ed40ed4a54ebda

SHA1
b2e988f53b1a80a98ca59d72d2e87946f2df693a

SHA256
ffa8a345433dc3eaebd9b4cb591146810cee70fcedefcb90b5033c58373455a7

SHA512
6d34ade3ca17ac33036d129e1c60156c94bd022ad3bebfb0356180f27aff83eda2fce5b19a8210f3e8ee92fc3d19328d38b526c0223c774e85195ba1c4c504d0

Download Submit