Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-09-2024 21:09
Static task
static1
Behavioral task
behavioral1
Sample
6a4993eb98ba2110c38f2ee3cd1e6c30N.dll
Resource
win7-20240903-en
General
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Target
6a4993eb98ba2110c38f2ee3cd1e6c30N.dll
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Size
315KB
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MD5
6a4993eb98ba2110c38f2ee3cd1e6c30
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SHA1
b03cfd7357ebdc67d54e66715ca9e67d84596633
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SHA256
d18160fadce7be45886041bcb69012aeca040e23104a09dc4758ab9b95959438
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SHA512
3595ad7cef5db6b2800ec0e3a2671c9c807be079fbf68bc8e84b39db2f5b75e1cdc0acf31f45ef861a442f5acbe9fb82a993e05f1e82b8cecd4de0a0eaa17336
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SSDEEP
6144:biu11Om4UTuNoor5B8riGD4VhkdGGzaDiBV+UdvrEFp7hKfui7:biu11Om4ceb8rvFdGGzaDiBjvrEH7A
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule behavioral1/files/0x000c000000012281-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral1/files/0x000c000000012281-1.dat acprotect -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid Process 3008 rundll32.exe -
Processes:
resource yara_rule behavioral1/files/0x000c000000012281-1.dat upx behavioral1/memory/3008-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/3008-7-0x0000000010000000-0x0000000010030000-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 procid_target 1148 3008 WerFault.exe 31 -
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid Process Token: SeDebugPrivilege 3008 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid Process procid_target PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 2528 wrote to memory of 3008 2528 rundll32.exe 31 PID 3008 wrote to memory of 1148 3008 rundll32.exe 32 PID 3008 wrote to memory of 1148 3008 rundll32.exe 32 PID 3008 wrote to memory of 1148 3008 rundll32.exe 32 PID 3008 wrote to memory of 1148 3008 rundll32.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6a4993eb98ba2110c38f2ee3cd1e6c30N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6a4993eb98ba2110c38f2ee3cd1e6c30N.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 3163⤵
- Program crash
PID:1148
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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