Analysis
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max time kernel
141s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17/05/2024, 14:01
Static task
static1
Behavioral task
behavioral1
Sample
42121b9609f7c3a5853f930d03d06c30756e6678ea7b38338cce1224e58db546.dll
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
42121b9609f7c3a5853f930d03d06c30756e6678ea7b38338cce1224e58db546.dll
Resource
win10v2004-20240508-en
General
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Target
42121b9609f7c3a5853f930d03d06c30756e6678ea7b38338cce1224e58db546.dll
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Size
223KB
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MD5
59974895901d658e2b723a448a8f516c
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SHA1
6b9dfab80e52f0c417718d008493e2246f94cad5
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SHA256
42121b9609f7c3a5853f930d03d06c30756e6678ea7b38338cce1224e58db546
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SHA512
fe5fff7ce136dde4a38ec8fafa344e2e7d41a0a66bd9c098f55d8b7cb366cfbb4f62fa46ddea94e6dfbe349ad813fcf675819719b5a443579aa9b9f98fe135ca
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SSDEEP
3072:6huf5A14cv+JvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hK/xvFuN:ZBA1WVagufYLIBV+UdvrEFp7hK/xvm
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/0x0006000000023278-1.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 4384 rundll32.exe 4384 rundll32.exe -
resource yara_rule behavioral2/files/0x0006000000023278-1.dat upx behavioral2/memory/4384-7-0x0000000001FC0000-0x0000000001FF0000-memory.dmp upx behavioral2/memory/4384-6-0x0000000001FC0000-0x0000000001FF0000-memory.dmp upx behavioral2/memory/4384-11-0x0000000001FC0000-0x0000000001FF0000-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 1 IoCs
pid pid_target Process procid_target 772 4384 WerFault.exe 82 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4384 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2180 wrote to memory of 4384 2180 rundll32.exe 82 PID 2180 wrote to memory of 4384 2180 rundll32.exe 82 PID 2180 wrote to memory of 4384 2180 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\42121b9609f7c3a5853f930d03d06c30756e6678ea7b38338cce1224e58db546.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\42121b9609f7c3a5853f930d03d06c30756e6678ea7b38338cce1224e58db546.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:4384 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 7123⤵
- Program crash
PID:772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4384 -ip 43841⤵PID:2896
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab