Analysis
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max time kernel
112s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 22:25
Static task
static1
Behavioral task
behavioral1
Sample
57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe
Resource
win7-20240903-en
General
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Target
57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe
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Size
2.7MB
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MD5
ad5fb4450b24f3517acf891ef2941320
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SHA1
1227a4a41c47353eb4ea82cc16e889257d1336f4
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SHA256
57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1
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SHA512
1bd96b9ca062f50f959777991183ab8682535dba678b85b50088653d4fdf7bc7884fda2615430ebf41ddff000f741fd9d8b8db7798a1cc901469877aa3370fdf
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SSDEEP
49152:0y8f9DL6LRA1qi1vrP7VE2KGKwRA5vSe8Sz6oj9ghi1RebpyT390bYVGuSwZPSC8:05PeRA4i1vrPe2KSRAAe8S2oj9ghi1Rc
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x00080000000120f9-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x00080000000120f9-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\FinePluginUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe" 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
resource yara_rule behavioral1/files/0x00080000000120f9-1.dat upx behavioral1/memory/1600-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1600-12-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1600-16-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1600-20-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1600-24-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1600-30-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1600-32-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe File created \??\c:\program files\common files\system\symsrv.dll.000 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
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 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe 1600 57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe"C:\Users\Admin\AppData\Local\Temp\57f2cee4092298c59cc9c3df971f3a1ad14a96b8337b94bded6f1bc20b125dd1N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab