Analysis
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max time kernel
146s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2024 23:05
Static task
static1
Behavioral task
behavioral1
Sample
78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe
Resource
win10v2004-20240802-en
General
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Target
78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe
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Size
11.3MB
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MD5
e465df146e4a00ed2e4a0d941003a13c
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SHA1
451f1f0877d638646261a730de87929f01debf68
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SHA256
78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5
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SHA512
39151020dc52e537ae0333a2a317f70406f9da72fb9013fd49358cb71a39fabc5c267e0fb19d2e28dc2fa221b218857b9dc03320f64b03e99fb31a615cc06983
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SSDEEP
3072:NoiqjV0QCeV75zMwb2EfDXTBrt0c5f+Z7ApWt+0krytpObPUfAGM4H1M4CjiJNx4:NoiqjWHeV9zthDjBrmA+VkDbSAgQiTx
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 1688 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\uddntykp\ImagePath = "C:\\Windows\\SysWOW64\\uddntykp\\tamzivwq.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 3536 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
tamzivwq.exepid process 5004 tamzivwq.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tamzivwq.exedescription pid process target process PID 5004 set thread context of 3536 5004 tamzivwq.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 764 sc.exe 2888 sc.exe 692 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
Processes:
netsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 6 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 3444 1988 WerFault.exe 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe 1748 1988 WerFault.exe 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe 4492 1988 WerFault.exe 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe 4564 5004 WerFault.exe tamzivwq.exe 4552 5004 WerFault.exe tamzivwq.exe 1552 5004 WerFault.exe tamzivwq.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
sc.exesc.exenetsh.exetamzivwq.exe78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.execmd.exesvchost.execmd.exesc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tamzivwq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exetamzivwq.exedescription pid process target process PID 1988 wrote to memory of 2792 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe cmd.exe PID 1988 wrote to memory of 2792 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe cmd.exe PID 1988 wrote to memory of 2792 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe cmd.exe PID 1988 wrote to memory of 2636 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe cmd.exe PID 1988 wrote to memory of 2636 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe cmd.exe PID 1988 wrote to memory of 2636 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe cmd.exe PID 1988 wrote to memory of 764 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 764 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 764 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 2888 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 2888 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 2888 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 692 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 692 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 692 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe sc.exe PID 1988 wrote to memory of 1688 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe netsh.exe PID 1988 wrote to memory of 1688 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe netsh.exe PID 1988 wrote to memory of 1688 1988 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe netsh.exe PID 5004 wrote to memory of 3536 5004 tamzivwq.exe svchost.exe PID 5004 wrote to memory of 3536 5004 tamzivwq.exe svchost.exe PID 5004 wrote to memory of 3536 5004 tamzivwq.exe svchost.exe PID 5004 wrote to memory of 3536 5004 tamzivwq.exe svchost.exe PID 5004 wrote to memory of 3536 5004 tamzivwq.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe"C:\Users\Admin\AppData\Local\Temp\78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uddntykp\2⤵
- System Location Discovery: System Language Discovery
PID:2792 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tamzivwq.exe" C:\Windows\SysWOW64\uddntykp\2⤵
- System Location Discovery: System Language Discovery
PID:2636 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create uddntykp binPath= "C:\Windows\SysWOW64\uddntykp\tamzivwq.exe /d\"C:\Users\Admin\AppData\Local\Temp\78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:764 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description uddntykp "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2888 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start uddntykp2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:692 -
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
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 12562⤵
- Program crash
PID:3444 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 6042⤵
- Program crash
PID:1748 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 10442⤵
- Program crash
PID:4492
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C:\Windows\SysWOW64\uddntykp\tamzivwq.exeC:\Windows\SysWOW64\uddntykp\tamzivwq.exe /d"C:\Users\Admin\AppData\Local\Temp\78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 5162⤵
- Program crash
PID:4564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 5562⤵
- Program crash
PID:4552 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 5322⤵
- Program crash
PID:1552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1988 -ip 19881⤵PID:2352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1988 -ip 19881⤵PID:1624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 5004 -ip 50041⤵PID:3936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1988 -ip 19881⤵PID:1404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5004 -ip 50041⤵PID:2288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 5004 -ip 50041⤵PID:1160
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4292,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:81⤵PID:4352
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
13.1MB
MD52fd8f5d2784ce90d44783033c1246bff
SHA1825c405105b9859b715bc42a363d3e12223a0d76
SHA2563554728ab2fbf803e919811576ee80f1ef477f01f98e382bbb311c56c403e416
SHA51205b43c935557f6ae6c3b4810608e6fc08def46c51412db366c06ccbe51e255eae4d7f4e33048e31c4ec0054d383f89f7ae733fae23c8b985376ad71790ddca7d