Analysis
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max time kernel
149s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 17:44
Static task
static1
Behavioral task
behavioral1
Sample
cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe
Resource
win10v2004-20241007-en
General
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Target
cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe
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Size
167KB
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MD5
c2dd5c2437c8dfee1e944b43354c2345
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SHA1
6b4275b19ac0d4c976beee7b774ffe304376da8f
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SHA256
cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c
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SHA512
892e044aa9fa4b29912c70a927cb6d72f952c333662cc22a08649aa1f639be53f54ab4409a2f5305ce8651ff2c7503609542748c8b9960a1260e505664070e36
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SSDEEP
3072:HWt4tFAaLDnwOa8aCj9LRnj1A752+HoALd1HHX:2ALDwB8awTnj3+HoiP
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Tofsee family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\cswgkrzv = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2516 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\cswgkrzv\ImagePath = "C:\\Windows\\SysWOW64\\cswgkrzv\\iclvilqc.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2496 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2596 iclvilqc.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2596 set thread context of 2496 2596 iclvilqc.exe 43 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2332 sc.exe 2656 sc.exe 2820 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.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iclvilqc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe 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 cmd.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 svchost.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2996 wrote to memory of 2740 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 30 PID 2996 wrote to memory of 2740 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 30 PID 2996 wrote to memory of 2740 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 30 PID 2996 wrote to memory of 2740 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 30 PID 2996 wrote to memory of 2912 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 32 PID 2996 wrote to memory of 2912 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 32 PID 2996 wrote to memory of 2912 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 32 PID 2996 wrote to memory of 2912 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 32 PID 2996 wrote to memory of 2656 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 34 PID 2996 wrote to memory of 2656 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 34 PID 2996 wrote to memory of 2656 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 34 PID 2996 wrote to memory of 2656 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 34 PID 2996 wrote to memory of 2820 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 36 PID 2996 wrote to memory of 2820 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 36 PID 2996 wrote to memory of 2820 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 36 PID 2996 wrote to memory of 2820 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 36 PID 2996 wrote to memory of 2332 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 38 PID 2996 wrote to memory of 2332 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 38 PID 2996 wrote to memory of 2332 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 38 PID 2996 wrote to memory of 2332 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 38 PID 2996 wrote to memory of 2516 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 41 PID 2996 wrote to memory of 2516 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 41 PID 2996 wrote to memory of 2516 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 41 PID 2996 wrote to memory of 2516 2996 cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe 41 PID 2596 wrote to memory of 2496 2596 iclvilqc.exe 43 PID 2596 wrote to memory of 2496 2596 iclvilqc.exe 43 PID 2596 wrote to memory of 2496 2596 iclvilqc.exe 43 PID 2596 wrote to memory of 2496 2596 iclvilqc.exe 43 PID 2596 wrote to memory of 2496 2596 iclvilqc.exe 43 PID 2596 wrote to memory of 2496 2596 iclvilqc.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe"C:\Users\Admin\AppData\Local\Temp\cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cswgkrzv\2⤵
- System Location Discovery: System Language Discovery
PID:2740
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iclvilqc.exe" C:\Windows\SysWOW64\cswgkrzv\2⤵
- System Location Discovery: System Language Discovery
PID:2912
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create cswgkrzv binPath= "C:\Windows\SysWOW64\cswgkrzv\iclvilqc.exe /d\"C:\Users\Admin\AppData\Local\Temp\cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2656
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description cswgkrzv "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2820
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start cswgkrzv2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2332
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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:2516
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C:\Windows\SysWOW64\cswgkrzv\iclvilqc.exeC:\Windows\SysWOW64\cswgkrzv\iclvilqc.exe /d"C:\Users\Admin\AppData\Local\Temp\cf426b4bd4d5243c3d88355b980084776d885c36dfb179975f28af9578deaf0c.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2496
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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
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
13.1MB
MD597dfce62c3b72c03be57883b1ef9007c
SHA12b640bc7f0f3914d4c2f2222693f31e468b6b461
SHA256768edff7fbe238680d522cbfa99a7582713527674950582882bebc9fd276d210
SHA512c87bdcea7c1b03064ced5fd11ba2a151a0db980522628540c46544445e803f4ab9e7acb5ced87e50d661e5a5b17da3ae1f5abe93d4675972ad88d6831c9991df