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
Sample240620-etscessfmq
SHA256 82a1fe8e22e3e3ccb149d5bdcc8cbfec18d89dd9277b909e725faed309165487
MD5 26d12a09fd0b7b3e32e93355a3a110af
SHA1 1e1e8772d579ae03fd6f35a7b95fe6fd384cf5a1
SHA512 524df1ec0ad2980236601fa1abfd30451f4d3eac681ad50d12ad9b981f5c75ff7b0dab0541ad269edb5e4e653088635acb1522f1c2d8bd0816db0be11901aa56
SSDEEP 1536:WEkjY1zy214Qay0DGkJ7qAELVigJ83ZKRcpw/1q792sX7Ia12/DCJ:9kjAJ4dDGkJ+AI0vcuo1qRka0/s
MD5 SHA1 SHA512 SSDEEP

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

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Downloads

ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nso70ED.tmp\ioSpecial.ini
Size 619B
SHA256 8b1cc4ab7207249c4d5d7db9de067a1331a997e01ccfdc9cdea7f61ef49140fc
MD5 fd986d18e8dad0ea0a44efe715ef37e0
SHA1 8e9862f9340ae21542ed10edccb748353323d830
SHA512 ba55273f371bf5c034c0d40a6d8376454cd7a16660e29b1bba7571399303ff52620f3e834621d15588926343de89c902b625777137d25a7e0c9bfe844d67159c
MD5 SHA1 SHA512

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nso70ED.tmp\ioSpecial.ini
Size 632B
SHA256 100023f9b9082fbcd6110c0c11c3f83e0df0aa41d4a2b98c3925be3e1a281d17
MD5 4607fae1a93483c558d1b37056096659
SHA1 3d6bbbbfd30e0c915c76944b845319d0d66f4c12
SHA512 14d05d2921e5e68b6fb88f0ffdb281bd4c0f7c96d757d3fc5692ff058e60fc2a379a5f801830db363c018e8a21b6ed5870a836e7e63ac4cc44531280bd568d48
MD5 SHA1 SHA512

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InstallOptions.dll

Path \Users\Admin\AppData\Local\Temp\nso70ED.tmp\InstallOptions.dll
Size 13KB
SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
MD5 d765c492c21689e3d9d61634371fd861
SHA1 ac200933671ae52c9d5544d0e2e8e9144d286c83
SHA512 9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
SSDEEP 192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path \Users\Admin\AppData\Local\Temp\nso70ED.tmp\System.dll
Size 10KB
SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
MD5 fe24766ba314f620d57d0cf7339103c0
SHA1 8641545f03f03ff07485d6ec4d7b41cbb898c269
SHA512 60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3
SSDEEP 192:rO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1aMBgMO:yKAFERdlxhGRYUzqZaMB
MD5 SHA1 SHA512 SSDEEP

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Au_.exe

Path \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 83KB
SHA256 82a1fe8e22e3e3ccb149d5bdcc8cbfec18d89dd9277b909e725faed309165487
MD5 26d12a09fd0b7b3e32e93355a3a110af
SHA1 1e1e8772d579ae03fd6f35a7b95fe6fd384cf5a1
SHA512 524df1ec0ad2980236601fa1abfd30451f4d3eac681ad50d12ad9b981f5c75ff7b0dab0541ad269edb5e4e653088635acb1522f1c2d8bd0816db0be11901aa56
SSDEEP 1536:WEkjY1zy214Qay0DGkJ7qAELVigJ83ZKRcpw/1q792sX7Ia12/DCJ:9kjAJ4dDGkJ+AI0vcuo1qRka0/s
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads