Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 07:11
Static task
static1
Behavioral task
behavioral1
Sample
202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe
Resource
win7-20240729-en
General
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Target
202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe
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Size
224KB
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MD5
0a6986bf000b3802b1b36dc29a3b86ea
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SHA1
ed76e8d470478ae30b6b2399d3aef35eed7fc166
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SHA256
66db488eef72928892afb16d711ae8d007fec3bf52f9a9a4ae3944324764ddc6
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SHA512
1bddf55cf8cef1f35786d4adf0f50c6b58383d058127fc673bc98793e0b87ae4c40b2ceb920600936979682cf89567cbd6ec97510d174995bccdae9968063010
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SSDEEP
6144:ayd2zi7ajvRcGLKZH2FaShw9hH4JdBV+UdvrEFp7hKcmBCi:ayd2zi+jv5m9hH4JdBjvrEH7GMi
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000900000002348e-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000900000002348e-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe -
resource yara_rule behavioral2/files/0x000900000002348e-1.dat upx behavioral2/memory/3904-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3904-14-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3904-15-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3904-23-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3904-27-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3904-39-0x0000000010000000-0x0000000010030000-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: 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe File created \??\c:\program files\common files\system\symsrv.dll.000 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.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 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3904 202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.exe"C:\Users\Admin\AppData\Local\Temp\202409190a6986bf000b3802b1b36dc29a3b86eaavoslockercobaltstrikefloxif.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:3904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0