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Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/11/2024, 03:33
Static task
static1
Behavioral task
behavioral1
Sample
ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe
Resource
win7-20240903-en
General
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Target
ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe
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Size
13.1MB
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MD5
bb4ee97079a9375e48c5796cdf6b92a3
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SHA1
221dc8709cc35985dbaaf43974ba3d137d1f486a
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SHA256
ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e
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SHA512
ac910d13a6694e496d6d49a0f20598fdfdea38e09134bf08e156525f2da612e58a454142cf1fe817eb11ca1d05cbf4794db0486e54bb8b1937b08b18e08e960b
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SSDEEP
393216:455555555555555555555555555555555555555555555555555555555555555k:4555555555555555555555555555555k
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
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\ibhgzpxv = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2820 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ibhgzpxv\ImagePath = "C:\\Windows\\SysWOW64\\ibhgzpxv\\jyzfsdxw.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2772 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2792 jyzfsdxw.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2792 set thread context of 2772 2792 jyzfsdxw.exe 43 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2696 sc.exe 2496 sc.exe 2240 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 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 -
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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 jyzfsdxw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2384 wrote to memory of 3032 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 30 PID 2384 wrote to memory of 3032 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 30 PID 2384 wrote to memory of 3032 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 30 PID 2384 wrote to memory of 3032 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 30 PID 2384 wrote to memory of 2128 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 32 PID 2384 wrote to memory of 2128 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 32 PID 2384 wrote to memory of 2128 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 32 PID 2384 wrote to memory of 2128 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 32 PID 2384 wrote to memory of 2496 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 34 PID 2384 wrote to memory of 2496 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 34 PID 2384 wrote to memory of 2496 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 34 PID 2384 wrote to memory of 2496 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 34 PID 2384 wrote to memory of 2240 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 36 PID 2384 wrote to memory of 2240 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 36 PID 2384 wrote to memory of 2240 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 36 PID 2384 wrote to memory of 2240 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 36 PID 2384 wrote to memory of 2696 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 38 PID 2384 wrote to memory of 2696 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 38 PID 2384 wrote to memory of 2696 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 38 PID 2384 wrote to memory of 2696 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 38 PID 2384 wrote to memory of 2820 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 41 PID 2384 wrote to memory of 2820 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 41 PID 2384 wrote to memory of 2820 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 41 PID 2384 wrote to memory of 2820 2384 ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe 41 PID 2792 wrote to memory of 2772 2792 jyzfsdxw.exe 43 PID 2792 wrote to memory of 2772 2792 jyzfsdxw.exe 43 PID 2792 wrote to memory of 2772 2792 jyzfsdxw.exe 43 PID 2792 wrote to memory of 2772 2792 jyzfsdxw.exe 43 PID 2792 wrote to memory of 2772 2792 jyzfsdxw.exe 43 PID 2792 wrote to memory of 2772 2792 jyzfsdxw.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe"C:\Users\Admin\AppData\Local\Temp\ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ibhgzpxv\2⤵
- System Location Discovery: System Language Discovery
PID:3032
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jyzfsdxw.exe" C:\Windows\SysWOW64\ibhgzpxv\2⤵
- System Location Discovery: System Language Discovery
PID:2128
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ibhgzpxv binPath= "C:\Windows\SysWOW64\ibhgzpxv\jyzfsdxw.exe /d\"C:\Users\Admin\AppData\Local\Temp\ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2496
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ibhgzpxv "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2240
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ibhgzpxv2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2696
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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:2820
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C:\Windows\SysWOW64\ibhgzpxv\jyzfsdxw.exeC:\Windows\SysWOW64\ibhgzpxv\jyzfsdxw.exe /d"C:\Users\Admin\AppData\Local\Temp\ab13a459f15b1c218389383542076efa884ad26d5d4898b3d1dd3ba108bfbe6e.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2772
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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
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Downloads
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Filesize
10.6MB
MD544df99f2aed4fa238b583f5d702c63e5
SHA1406b531396d185aee57593afde8ae9732a016373
SHA25698dfa57918ce8df475fc63fdd1df2a46ae21f236ec7c71d84015c32444239070
SHA512796e5d38e84cf8cd755d23bd533611a35e7434a34ac4362d9361a331b9649003af6dece08a4ef0401234691b552714028f919350d93020b25214d6d1dc56d6b4