Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
16-09-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe
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Size
989KB
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MD5
e3d1d451709c5499999de88d21f29707
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SHA1
96f9a056e8b7f71532aaac35aa622ffb6377e404
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SHA256
e562432ad86cf6362a3e674d9bd32be99340441ddd0bf9a5b0c4606271ff63cd
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SHA512
0dfb8d3422d98c484bdc14df77a61df59422b8eb96d683f8b9ad3686e218d9176a8d8af112d2e081f7cbb8328cdc5e5a4373007c9f89e380e2842aa6dea00741
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SSDEEP
24576:V3diFjFZyTE4vttcY+/fpfHn+gXM+TK2zM7YLrEH7q:NdUjmFtcY+/fpfHn5XM+TK2I7YD
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000012119-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0007000000012119-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2848 2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe -
resource yara_rule behavioral1/files/0x0007000000012119-1.dat upx behavioral1/memory/2848-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2848-8-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.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 2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2848 2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-16_e3d1d451709c5499999de88d21f29707_avoslocker_cobalt-strike_floxif_hijackloader.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2848
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab