Analysis
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max time kernel
149s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
07/06/2024, 11:43
Static task
static1
Behavioral task
behavioral1
Sample
f5e6027cde15f2d0de051f4c1260e3b3a06ea8ebf9c4d1676c2ca037c0e00573.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
f5e6027cde15f2d0de051f4c1260e3b3a06ea8ebf9c4d1676c2ca037c0e00573.dll
Resource
win10v2004-20240508-en
General
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Target
f5e6027cde15f2d0de051f4c1260e3b3a06ea8ebf9c4d1676c2ca037c0e00573.dll
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Size
377KB
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MD5
cae1a391a43e2a490fe1fcdbaa619ce4
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SHA1
02cb2eb687c809ab6462cbededb4bd24fc868440
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SHA256
f5e6027cde15f2d0de051f4c1260e3b3a06ea8ebf9c4d1676c2ca037c0e00573
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SHA512
a95826ff1ce4d4e5f1224a6de76e9eb29930b6d4a69c6d5c5518fb8216029eb8dd4546f6e2d522fa95f8bc79ae518a83caab597ff2be18867ca22db48c93cd88
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SSDEEP
6144:quLKbqxdjkUe+wQ+Rm60lb/vtXJYb+QMd6wb2sj6pCrK3aBV+UdvrEFp7hKensW:qunT1Bb/vtXJYb+QMd6wbBsIK3aBjvrs
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000c0000000233be-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 1876 rundll32.exe -
resource yara_rule behavioral2/files/0x000c0000000233be-1.dat upx behavioral2/memory/1876-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1876-9-0x0000000010000000-0x0000000010030000-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 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1876 rundll32.exe Token: SeDebugPrivilege 1876 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4028 wrote to memory of 1876 4028 rundll32.exe 82 PID 4028 wrote to memory of 1876 4028 rundll32.exe 82 PID 4028 wrote to memory of 1876 4028 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f5e6027cde15f2d0de051f4c1260e3b3a06ea8ebf9c4d1676c2ca037c0e00573.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f5e6027cde15f2d0de051f4c1260e3b3a06ea8ebf9c4d1676c2ca037c0e00573.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:1876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab