Analysis
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max time kernel
116s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 19:21
Static task
static1
Behavioral task
behavioral1
Sample
0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe
Resource
win10v2004-20241007-en
General
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Target
0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe
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Size
2.7MB
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MD5
4d617e76cc332be679a3152e3e6babb0
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SHA1
df2f87969d15796693c73198397875df94ba86fc
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SHA256
0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1
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SHA512
f96ede32c35ff2f892e2b6aef2e4e8eff6abdcf941082bb03dcc7a68854c08501e0f2fe3e451ca8027fd848a325de5d4852a24d1a2155530b730ae48747adcc4
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SSDEEP
49152:0y8f9DL6LRAvqi1vrP7VE2KGKwRA5vYe8rz6oj9ghi1RebpyT390bYVGuSwZPSC1:05PeRAii1vrPe2KSRAie8r2oj9ghi1RV
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b9c-1.dat floxif -
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000c000000023b9c-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FinePluginUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe" 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.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: 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
resource yara_rule behavioral2/files/0x000c000000023b9c-1.dat upx behavioral2/memory/2544-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2544-14-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2544-22-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2544-28-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2544-40-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe File created \??\c:\program files\common files\system\symsrv.dll.000 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.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 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe 2544 0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe"C:\Users\Admin\AppData\Local\Temp\0cbec84b749cd26b792d449ba2e094f654b61714a461abce035c4e69378988d1N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2544
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Replay 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