Analysis
- max time kernel
140s - max time network
119s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
16/09/2024, 18:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
artifact.exe
Resource
win7-20240903-en
10 signatures
150 seconds
General
- Target artifact.exe
- Size 246KB
- Sample240916-xa1hsstcnd
- SHA256 44bdcae371c1e51170c36a7f54f678b9b07dce0be45820378b92fdd8c4adee92
- MD5 1ecb6f77346744c0c46875848978bcf6
- SHA1 8ad8d4ea2b2fd2c3fb783cc575ca2b75067ac8b1
- SHA512 b0e067917fd384ad8d292e26f9ae181b100acb5476e3d4112fdc0adffe82b53e41451c41cc4c5f6cbc2a135a2bd1acb81f8f54f0cc6ab32a17cb06fbb7db7256
- SSDEEP 3072:lCYeqOYEUXPnwr5q1dWN/RN6hBepDvuXclSrU5P92Bzao+cPqfvJ59Ru2lQBV+U3:lfEUXqeyxPQldWUBV+UdvrEFp7hK5d
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000012101-1.dat floxif - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0007000000012101-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 2104 artifact.exe -
resource yara_rule behavioral1/memory/2104-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/files/0x0007000000012101-1.dat upx behavioral1/memory/2104-6-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll artifact.exe - Program crash 1 IoCs
pid pid_target Process procid_target 2580 2104 WerFault.exe 29 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language artifact.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2104 artifact.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2104 wrote to memory of 2580 2104 artifact.exe 30 PID 2104 wrote to memory of 2580 2104 artifact.exe 30 PID 2104 wrote to memory of 2580 2104 artifact.exe 30 PID 2104 wrote to memory of 2580 2104 artifact.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\artifact.exe"C:\Users\Admin\AppData\Local\Temp\artifact.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 2602⤵
- Program crash
PID:2580
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path \Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- MD5 SHA1 SHA512 SSDEEP