Analysis
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max time kernel
140s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 04:31
Static task
static1
Behavioral task
behavioral1
Sample
a7ac6ea17219d2f83465c7e56023a6110c3cc8ccf2d798249b0f74d03fb3ae35.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a7ac6ea17219d2f83465c7e56023a6110c3cc8ccf2d798249b0f74d03fb3ae35.dll
Resource
win10v2004-20240426-en
General
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Target
a7ac6ea17219d2f83465c7e56023a6110c3cc8ccf2d798249b0f74d03fb3ae35.dll
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Size
223KB
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MD5
0fd03c4aef8e9b9add94001de9964ac0
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SHA1
7ad7ef363ce9103bba191de8a3d319ce3d0de96d
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SHA256
a7ac6ea17219d2f83465c7e56023a6110c3cc8ccf2d798249b0f74d03fb3ae35
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SHA512
55cd6614dde92dbb71d59562f1eb04fdd55d55ddbc5949a3e9b9f477a34786d74daa9e186bd5d1f103c02dbc02c379b6b4f6161abdf5f05b73715e44d3daad4d
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SSDEEP
3072:6huf5AUWGIcvCJvK2myAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKear:ZBAUWG6VmyYLIBV+UdvrEFp7hKNr
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 3056 rundll32.exe -
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll upx behavioral1/memory/3056-3-0x0000000000170000-0x00000000001A0000-memory.dmp upx behavioral1/memory/3056-6-0x0000000000170000-0x00000000001A0000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1280 3056 WerFault.exe rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 3056 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 3056 2844 rundll32.exe rundll32.exe PID 3056 wrote to memory of 1280 3056 rundll32.exe WerFault.exe PID 3056 wrote to memory of 1280 3056 rundll32.exe WerFault.exe PID 3056 wrote to memory of 1280 3056 rundll32.exe WerFault.exe PID 3056 wrote to memory of 1280 3056 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a7ac6ea17219d2f83465c7e56023a6110c3cc8ccf2d798249b0f74d03fb3ae35.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a7ac6ea17219d2f83465c7e56023a6110c3cc8ccf2d798249b0f74d03fb3ae35.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 3363⤵
- Program crash
PID:1280
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab