Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-12-2024 18:49
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Resource
win7-20240903-en
General
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Target
2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe
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Size
662KB
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MD5
1d33d03a375c15e188661851aacaa838
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SHA1
0f630e2fa35f1bdf45db397c3da406f1f2e24f20
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SHA256
e64fed811a65133ece78f91795b9a110ca424f8e52199a9173a0d887f98cbad4
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SHA512
6488e86660d7c650a711c9bceef5b5faeab4c2f0145f713a24eb9064045657eaa0e463679cd117fb7481e0f15651ba90006fb66cbd7a5c649ad5e1d01287d4e7
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SSDEEP
12288:9gkJRR603BBKlG3j87HnVWqqPIBONhxsUzb95SBjvrEH7j:9gkJXl+m/xsUzPUrEH7j
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000a0000000120d6-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000a0000000120d6-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 1736 2024-12-12_1d33d03a375c15e188661851aacaa838_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.
description ioc Process File opened (read-only) \??\e: 2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
resource yara_rule behavioral1/memory/1736-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/files/0x000a0000000120d6-1.dat upx behavioral1/memory/1736-62-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-12-12_1d33d03a375c15e188661851aacaa838_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1736 2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1736 2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-12_1d33d03a375c15e188661851aacaa838_avoslocker_cobalt-strike_floxif_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-12_1d33d03a375c15e188661851aacaa838_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:1736
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6KB
MD5ee3ae172aab386f5ee9328a60b46b804
SHA18753340052c43df0a847295dd05368d4cf903b82
SHA256a0b5e85b4da227556d7bf3a869e79988ef80bb17bbee79d1834bf011341fa1dc
SHA512a08e935990b4111a203f81f5055d92226b94d0ff0bcab6335378cdcb2c624b593883bdf29975ce807c8d96e3bd2cc11d5b640ecb8eccdb69e3090fa50b62c873
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab