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Analysis
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max time kernel
139s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03/01/2024, 08:49
Static task
static1
Behavioral task
behavioral1
Sample
9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll
Resource
win10v2004-20231215-en
General
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Target
9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll
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Size
2.0MB
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MD5
c9ec6136720fa45c4c2881ed15e5b0f4
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SHA1
3a72feefbb8bf8319623a3197db78ce05effc5d6
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SHA256
9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197
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SHA512
7a364b24328d539765d89ef34d7be05042052b5e22f1f149fc73b5b3447bb1c1e1b982afb4fcf291003775c3a0096f81d9ab61d993b98385c1b2a50bb675a321
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SSDEEP
49152:HbR9b0sn90JHxac0DswNZopwEBnHzGkHJOQUZFX:d9b0s90JHxsDswZoeonTGkHJPUr
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000600000001e0ce-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 3428 rundll32.exe -
resource yara_rule behavioral2/files/0x000600000001e0ce-1.dat upx behavioral2/memory/3428-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3428-10-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3636 3428 WerFault.exe 91 1436 3428 WerFault.exe 91 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4652 wrote to memory of 3428 4652 rundll32.exe 91 PID 4652 wrote to memory of 3428 4652 rundll32.exe 91 PID 4652 wrote to memory of 3428 4652 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:3428 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 6243⤵
- Program crash
PID:3636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 6403⤵
- Program crash
PID:1436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3428 -ip 34281⤵PID:3992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3428 -ip 34281⤵PID:1296
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab