Analysis
- max time kernel
90s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
02/02/2024, 01:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
88312d4109d49430e7ade9064ca2d252.exe
Resource
win7-20231129-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
88312d4109d49430e7ade9064ca2d252.exe
Resource
win10v2004-20231222-en
5 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20231129-en
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20231222-en
2 signatures
150 seconds
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
2 signatures
150 seconds
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
2 signatures
150 seconds
General
- Target 88312d4109d49430e7ade9064ca2d252.exe
- Size 82KB
- Sample240202-bv5gladadr
- SHA256 e597c1588a75c77a9e41413069c649691a4fb8673281df15d98c4f13a6dcd684
- MD5 88312d4109d49430e7ade9064ca2d252
- SHA1 8fb506a8792b26437d42cea2999f09dead604260
- SHA512 33027e3dcc6cfb0813db96c06f858be01172adf9ba68d9d5d1a8bee27319fede4410b9b0f5bb83795970e06340ad499fbc48b050032ad46f0f290fb9c1f46430
- SSDEEP 1536:2EkjY1zy214Qay0DGkJ7qAELVigJvmcpUoJzv5oZaScIB2/D9k:dkjAJ4dDGkJ+AI0Qauzv5oZqT/R
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4168 Au_.exe - Loads dropped DLL 2 IoCs
pid Process 4168 Au_.exe 4168 Au_.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- NSIS installer 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023225-3.dat nsis_installer_1 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2668 wrote to memory of 4168 2668 88312d4109d49430e7ade9064ca2d252.exe 87 PID 2668 wrote to memory of 4168 2668 88312d4109d49430e7ade9064ca2d252.exe 87 PID 2668 wrote to memory of 4168 2668 88312d4109d49430e7ade9064ca2d252.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\88312d4109d49430e7ade9064ca2d252.exe"C:\Users\Admin\AppData\Local\Temp\88312d4109d49430e7ade9064ca2d252.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2668 -
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\2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4168
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsx4D94.tmp\InstallOptions.dll
- Size 13KB
- SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
- MD5 d765c492c21689e3d9d61634371fd861
- SHA1 ac200933671ae52c9d5544d0e2e8e9144d286c83
- SHA512 9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
- SSDEEP 192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsx4D94.tmp\System.dll
- Size 10KB
- SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
- MD5 fe24766ba314f620d57d0cf7339103c0
- SHA1 8641545f03f03ff07485d6ec4d7b41cbb898c269
- SHA512 60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3
- SSDEEP 192:rO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1aMBgMO:yKAFERdlxhGRYUzqZaMB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsx4D94.tmp\ioSpecial.ini
- Size 641B
- SHA256 95ea492a159441521b8f738de37cb50c31dacbf153aa6d1aceedd8fed20585e5
- MD5 04996d0c003bf8ee052745cc9745efc6
- SHA1 5bf97c2e9eb559221ba207fc23758dc4f5a6b9ee
- SHA512 7b376812750960342c7e8eaa77270fec609cfe82e5c6f3787373d7db5cef1c228edb0135a6cd3325bd41f099b46791586ea9a6821d91042b307c6d03512c1300
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
- Size 82KB
- SHA256 e597c1588a75c77a9e41413069c649691a4fb8673281df15d98c4f13a6dcd684
- MD5 88312d4109d49430e7ade9064ca2d252
- SHA1 8fb506a8792b26437d42cea2999f09dead604260
- SHA512 33027e3dcc6cfb0813db96c06f858be01172adf9ba68d9d5d1a8bee27319fede4410b9b0f5bb83795970e06340ad499fbc48b050032ad46f0f290fb9c1f46430
- SSDEEP 1536:2EkjY1zy214Qay0DGkJ7qAELVigJvmcpUoJzv5oZaScIB2/D9k:dkjAJ4dDGkJ+AI0Qauzv5oZqT/R
- MD5 SHA1 SHA512 SSDEEP