Analysis
- max time kernel
120s - max time network
119s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
09/09/2024, 17:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
87e78de4bb103e9876e6caf8e77e21f0N.exe
Resource
win7-20240903-en
11 signatures
120 seconds
General
- Target 87e78de4bb103e9876e6caf8e77e21f0N.exe
- Size 313KB
- Sample240909-vs6fnazelm
- SHA256 80d29096da8b75487f2884aba881bb85aed905b9f5bafddb6fb067fe6547b4be
- MD5 87e78de4bb103e9876e6caf8e77e21f0
- SHA1 9d4dc0883a41d54ad493d145a4ba095e85b06c62
- SHA512 db6b135e827058b2631575aabf180bdf4f4bbf7a4b768ffe1533b12686db33f67ae94ba7bac4fb9d85a12f4414eabef8c9058eee35605309cb576f8e30fd2c38
- SSDEEP 6144:jb0lhY3hu4YLGMDQQJSUOP3J4Jcz42JsrhMSPHZobZR7j2GtBV+UdvrEFp7hKOS1:8nVSUcKY4lYZ5j2GtBjvrEH7NS1
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000012117-1.dat floxif - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0007000000012117-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 2404 87e78de4bb103e9876e6caf8e77e21f0N.exe -
resource yara_rule behavioral1/memory/2404-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/files/0x0007000000012117-1.dat upx behavioral1/memory/2404-11-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-12-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-15-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-16-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-22-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-25-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-28-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2404-29-0x0000000010000000-0x0000000010030000-memory.dmp upx - 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: 87e78de4bb103e9876e6caf8e77e21f0N.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 87e78de4bb103e9876e6caf8e77e21f0N.exe File created \??\c:\program files\common files\system\symsrv.dll.000 87e78de4bb103e9876e6caf8e77e21f0N.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 87e78de4bb103e9876e6caf8e77e21f0N.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2404 87e78de4bb103e9876e6caf8e77e21f0N.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2404 87e78de4bb103e9876e6caf8e77e21f0N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\87e78de4bb103e9876e6caf8e77e21f0N.exe"C:\Users\Admin\AppData\Local\Temp\87e78de4bb103e9876e6caf8e77e21f0N.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll.000
- Size 175B
- SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
- MD5 1130c911bf5db4b8f7cf9b6f4b457623
- SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
- SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
- MD5 SHA1 SHA512
- 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