Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 09:32
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Resource
win7-20240903-en
General
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Target
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe
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Size
464KB
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MD5
c7f2b256dc8c31ed42f40ef0b1e5fd07
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SHA1
148fde3d4a10f9eb4e67689e1ece34ba0ebbca09
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SHA256
704b524d9354740acf30f656749d13a51e0bc06a06d8056e4c028d4fa130e442
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SHA512
59341083b3e2cce2472de86b677fd75bd56c697829678c388737aa79c2eef50eb3e1035f3c9f47ab63f38024a295584d57886ffb964e9f9a216b593c00e4f375
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SSDEEP
12288:BbcMWzL0H2QlEmnVWqqPIBONhxs7pPo8OBjvrEH7e:BbcMWKkN/xs7BxorEH7e
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule behavioral1/files/0x0007000000012117-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral1/files/0x0007000000012117-1.dat acprotect -
Loads dropped DLL 1 IoCs
Processes:
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exepid Process 2092 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exedescription ioc Process File opened (read-only) \??\e: 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Processes:
resource yara_rule behavioral1/files/0x0007000000012117-1.dat upx behavioral1/memory/2092-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2092-61-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
Processes:
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exedescription ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.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.
Processes:
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exepid Process 2092 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exedescription pid Process Token: SeDebugPrivilege 2092 2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_c7f2b256dc8c31ed42f40ef0b1e5fd07_avoslocker_cobalt-strike_floxif_luca-stealer.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:2092
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD55f3047dc9c7e3dfaf9d1f976219ceb23
SHA11c894f77b21350d3d76f0ef191662ae23ee6cc0e
SHA256e4921ef52c9e2b64a35dd9a8575b4a249928f4e75b66242eb9f9c79407e7d236
SHA5124c75f220ead845cd1b9d2d73fe0f2eb941921331130dfd53473b0a045f908378124dbac2ca12990975379cf6e690c1ad27ccea8650c5dba2fef0236ad2374a72
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Filesize
5KB
MD53819c21d16c8f1ea5d66fddd71eb71ce
SHA1dc01539e9d4d3d94839829560d148aa5c91b5da0
SHA25603073bd40b101bfd6c8bf401f547c190209483ed16132508d18427b138ebaa0d
SHA512a1ae4b4d62b01da491a9b2927575d8975d6ae8dffe584b34568e9f81508b8ea18a37ee75b92932189643630c05321ca1e9150984bfb17f54b463da06a55fac52
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab