Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 04:16
Static task
static1
Behavioral task
behavioral1
Sample
ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe
Resource
win10v2004-20240426-en
General
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Target
ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe
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Size
10.6MB
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MD5
48d331a22042af3c46f4a5c5852fd973
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SHA1
144c9fbab74bfa069d42f895d84cd0573d5e5582
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SHA256
ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334
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SHA512
64d36047c7e0d92054eac6b44eae05ada08e7fb5febbb5a2ae6b7a07ebdc9bd31ebd0391b490957362d1c3727986591bdcb0598111967c4b94e1b895f8b71026
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SSDEEP
6144:CKNDMp7tMWhHwXO3kyvzC0+9XFWYW///////////////////////////////////:CKNDMpOmHKcRv+0u
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3132 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ybehcufl\ImagePath = "C:\\Windows\\SysWOW64\\ybehcufl\\audnadiu.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 5480 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
audnadiu.exepid process 4392 audnadiu.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
audnadiu.exedescription pid process target process PID 4392 set thread context of 5480 4392 audnadiu.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 2756 sc.exe 4672 sc.exe 1424 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 5596 2860 WerFault.exe ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe 3664 4392 WerFault.exe audnadiu.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exeaudnadiu.exedescription pid process target process PID 2860 wrote to memory of 1904 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe cmd.exe PID 2860 wrote to memory of 1904 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe cmd.exe PID 2860 wrote to memory of 1904 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe cmd.exe PID 2860 wrote to memory of 5748 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe cmd.exe PID 2860 wrote to memory of 5748 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe cmd.exe PID 2860 wrote to memory of 5748 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe cmd.exe PID 2860 wrote to memory of 2756 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 2756 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 2756 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 4672 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 4672 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 4672 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 1424 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 1424 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 1424 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe sc.exe PID 2860 wrote to memory of 3132 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe netsh.exe PID 2860 wrote to memory of 3132 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe netsh.exe PID 2860 wrote to memory of 3132 2860 ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe netsh.exe PID 4392 wrote to memory of 5480 4392 audnadiu.exe svchost.exe PID 4392 wrote to memory of 5480 4392 audnadiu.exe svchost.exe PID 4392 wrote to memory of 5480 4392 audnadiu.exe svchost.exe PID 4392 wrote to memory of 5480 4392 audnadiu.exe svchost.exe PID 4392 wrote to memory of 5480 4392 audnadiu.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe"C:\Users\Admin\AppData\Local\Temp\ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ybehcufl\2⤵PID:1904
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\audnadiu.exe" C:\Windows\SysWOW64\ybehcufl\2⤵PID:5748
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ybehcufl binPath= "C:\Windows\SysWOW64\ybehcufl\audnadiu.exe /d\"C:\Users\Admin\AppData\Local\Temp\ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2756 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ybehcufl "wifi internet conection"2⤵
- Launches sc.exe
PID:4672 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ybehcufl2⤵
- Launches sc.exe
PID:1424 -
C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
PID:3132 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 8882⤵
- Program crash
PID:5596
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C:\Windows\SysWOW64\ybehcufl\audnadiu.exeC:\Windows\SysWOW64\ybehcufl\audnadiu.exe /d"C:\Users\Admin\AppData\Local\Temp\ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
PID:5480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 4402⤵
- Program crash
PID:3664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2860 -ip 28601⤵PID:4880
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4392 -ip 43921⤵PID:5324
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\audnadiu.exeFilesize
14.6MB
MD52cbd031c82ba7939e39057a6f24d3a00
SHA1ad3c8e2f51bd5ad85ec4030e232097a38029fe8e
SHA25620ab515e9396ece18f7dc91c16c8a0c3f9e227418937fa87a846ac6aec5e2d91
SHA512d204a143c68f221b4499694441c69f68bfa9cd0b3c46544427083bdb2e8603e628b7193f79f73099b5ef6c50bb8c4127cccd3699910f616bc35eeff1e9e67856
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memory/2860-1-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmpFilesize
2.0MB
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memory/2860-7-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmpFilesize
2.0MB
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memory/2860-6-0x0000000000400000-0x000000000086C000-memory.dmpFilesize
4.4MB
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memory/4392-11-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmpFilesize
2.0MB
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memory/4392-13-0x0000000000400000-0x000000000086C000-memory.dmpFilesize
4.4MB
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memory/5480-8-0x0000000000120000-0x0000000000135000-memory.dmpFilesize
84KB
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memory/5480-10-0x0000000000120000-0x0000000000135000-memory.dmpFilesize
84KB
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memory/5480-12-0x0000000000120000-0x0000000000135000-memory.dmpFilesize
84KB