Analysis
- max time kernel
92s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
15/01/2024, 16:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b8c7916053243e17a10baf53900aa9e8.exe
Resource
win7-20231215-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
b8c7916053243e17a10baf53900aa9e8.exe
Resource
win10v2004-20231215-en
6 signatures
150 seconds
General
- Target b8c7916053243e17a10baf53900aa9e8.exe
- Size 4.2MB
- Sample240115-tqsakscac7
- SHA256 831f2e5ec47feed2e11df2eaf1675462dba15c4aaab428ec9eae8b1591fd3fd7
- MD5 b8c7916053243e17a10baf53900aa9e8
- SHA1 b5d8fffd97a7eed32ef9496c178e886bcb8aec84
- SHA512 e10ef55397d7e06af803db9b484f49eef94faa7a9701e9638223e4606c74ddf7099e80bda668671bd7661e765c6ff2038b97a99185a3446a6bff6136b892efd0
- SSDEEP 98304:M1+uIaqkg4au6mfQG8gfIT9P9WVLmir700HXR9g6aoq0SC9mASI2l+qE:M1JtfQHC7JXR9g6ao2CiMqE
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Set_of_emoticons_for_messenger_communication.lnk b8c7916053243e17a10baf53900aa9e8.exe - Loads dropped DLL 1 IoCs
pid Process 3016 b8c7916053243e17a10baf53900aa9e8.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3016 set thread context of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4124 RegAsm.exe Token: SeDebugPrivilege 3016 b8c7916053243e17a10baf53900aa9e8.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98 PID 3016 wrote to memory of 4124 3016 b8c7916053243e17a10baf53900aa9e8.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\b8c7916053243e17a10baf53900aa9e8.exe"C:\Users\Admin\AppData\Local\Temp\b8c7916053243e17a10baf53900aa9e8.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4124
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll
- Size 742KB
- SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
- MD5 544cd51a596619b78e9b54b70088307d
- SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
- SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719
- SSDEEP 12288:wCMz4nuvURpZ4jR1b2Ag+dQMWCD8iN2+OeO+OeNhBBhhBBgoo+A1AW8JwkaCZ+36:wCs4uvW4jfb2K90oo+C8JwUZc0
- MD5 SHA1 SHA512 SSDEEP