e223f60ac7d4de97d15b02c451531144e95b2a2caabf73ef11a05863116eac54

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 04:14

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General

Target

$0/uninstall.exe
Size

83KB
MD5

26d12a09fd0b7b3e32e93355a3a110af
SHA1

1e1e8772d579ae03fd6f35a7b95fe6fd384cf5a1
SHA256

82a1fe8e22e3e3ccb149d5bdcc8cbfec18d89dd9277b909e725faed309165487
SHA512

524df1ec0ad2980236601fa1abfd30451f4d3eac681ad50d12ad9b981f5c75ff7b0dab0541ad269edb5e4e653088635acb1522f1c2d8bd0816db0be11901aa56
SSDEEP

1536:WEkjY1zy214Qay0DGkJ7qAELVigJ83ZKRcpw/1q792sX7Ia12/DCJ:9kjAJ4dDGkJ+AI0vcuo1qRka0/s

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3032	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
836	uninstall.exe
3032	Au_.exe
3032	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
behavioral3/files/0x002f00000001454e-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3032	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 3032	836	uninstall.exe	28
PID 836 wrote to memory of 3032	836	uninstall.exe	28
PID 836 wrote to memory of 3032	836	uninstall.exe	28
PID 836 wrote to memory of 3032	836	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:836
- 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:3032

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\nso70ED.tmp\ioSpecial.ini

Filesize
619B

MD5
fd986d18e8dad0ea0a44efe715ef37e0

SHA1
8e9862f9340ae21542ed10edccb748353323d830

SHA256
8b1cc4ab7207249c4d5d7db9de067a1331a997e01ccfdc9cdea7f61ef49140fc

SHA512
ba55273f371bf5c034c0d40a6d8376454cd7a16660e29b1bba7571399303ff52620f3e834621d15588926343de89c902b625777137d25a7e0c9bfe844d67159c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nso70ED.tmp\ioSpecial.ini

Filesize
632B

MD5
4607fae1a93483c558d1b37056096659

SHA1
3d6bbbbfd30e0c915c76944b845319d0d66f4c12

SHA256
100023f9b9082fbcd6110c0c11c3f83e0df0aa41d4a2b98c3925be3e1a281d17

SHA512
14d05d2921e5e68b6fb88f0ffdb281bd4c0f7c96d757d3fc5692ff058e60fc2a379a5f801830db363c018e8a21b6ed5870a836e7e63ac4cc44531280bd568d48

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\Users\Admin\AppData\Local\Temp\nso70ED.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nso70ED.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
83KB

MD5
26d12a09fd0b7b3e32e93355a3a110af

SHA1
1e1e8772d579ae03fd6f35a7b95fe6fd384cf5a1

SHA256
82a1fe8e22e3e3ccb149d5bdcc8cbfec18d89dd9277b909e725faed309165487

SHA512
524df1ec0ad2980236601fa1abfd30451f4d3eac681ad50d12ad9b981f5c75ff7b0dab0541ad269edb5e4e653088635acb1522f1c2d8bd0816db0be11901aa56

Download Submit