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Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31/08/2024, 13:09
Static task
static1
Behavioral task
behavioral1
Sample
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe
Resource
win10v2004-20240802-en
General
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Target
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe
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Size
13.6MB
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MD5
b5b559ae20ec80c26ec50afd2d077f53
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SHA1
4553fc5937302711ee5e74a881c7fd4acd119e5b
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SHA256
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd
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SHA512
dadb525483641f1574c5efcb48cc2c1333d34145b1b7e6386afa9f3e64db7ce45bbe4fc70f2656a997ec42e839bc73cb4c641bd97061e95d712c476f5573cdfd
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SSDEEP
196608:aI+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2:a
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
pid Process 3932 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ouwuvlbg\ImagePath = "C:\\Windows\\SysWOW64\\ouwuvlbg\\bqdzlkdp.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe -
Deletes itself 1 IoCs
pid Process 3660 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 612 bqdzlkdp.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 612 set thread context of 3660 612 bqdzlkdp.exe 106 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3212 sc.exe 1576 sc.exe 1128 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 -
Program crash 2 IoCs
pid pid_target Process procid_target 1312 2268 WerFault.exe 83 3676 612 WerFault.exe 99 -
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 bqdzlkdp.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 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 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.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 23 IoCs
description pid Process procid_target PID 2268 wrote to memory of 1728 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 87 PID 2268 wrote to memory of 1728 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 87 PID 2268 wrote to memory of 1728 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 87 PID 2268 wrote to memory of 1220 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 89 PID 2268 wrote to memory of 1220 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 89 PID 2268 wrote to memory of 1220 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 89 PID 2268 wrote to memory of 1128 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 91 PID 2268 wrote to memory of 1128 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 91 PID 2268 wrote to memory of 1128 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 91 PID 2268 wrote to memory of 3212 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 93 PID 2268 wrote to memory of 3212 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 93 PID 2268 wrote to memory of 3212 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 93 PID 2268 wrote to memory of 1576 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 97 PID 2268 wrote to memory of 1576 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 97 PID 2268 wrote to memory of 1576 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 97 PID 2268 wrote to memory of 3932 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 100 PID 2268 wrote to memory of 3932 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 100 PID 2268 wrote to memory of 3932 2268 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 100 PID 612 wrote to memory of 3660 612 bqdzlkdp.exe 106 PID 612 wrote to memory of 3660 612 bqdzlkdp.exe 106 PID 612 wrote to memory of 3660 612 bqdzlkdp.exe 106 PID 612 wrote to memory of 3660 612 bqdzlkdp.exe 106 PID 612 wrote to memory of 3660 612 bqdzlkdp.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe"C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ouwuvlbg\2⤵
- System Location Discovery: System Language Discovery
PID:1728
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bqdzlkdp.exe" C:\Windows\SysWOW64\ouwuvlbg\2⤵
- System Location Discovery: System Language Discovery
PID:1220
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ouwuvlbg binPath= "C:\Windows\SysWOW64\ouwuvlbg\bqdzlkdp.exe /d\"C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1128
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ouwuvlbg "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3212
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ouwuvlbg2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1576
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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:3932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 6482⤵
- Program crash
PID:1312
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C:\Windows\SysWOW64\ouwuvlbg\bqdzlkdp.exeC:\Windows\SysWOW64\ouwuvlbg\bqdzlkdp.exe /d"C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:612 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 612 -s 5082⤵
- Program crash
PID:3676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2268 -ip 22681⤵PID:3576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 612 -ip 6121⤵PID:1224
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
12.5MB
MD5660e9f50291f6b791b6502dccc800e22
SHA169ab6b9626e3bbf495d1011a8bdbd9531b3b22fc
SHA2565d565f9bd4fe9531b9a50a0ba456edd7ffc2ce4ec9514b17a5c2424cf99c818d
SHA5124dc0af8afbf0366c7b7b9a5b132830ac7162d1c4fce1c7cf4a28284a06e4fce4e97f1bb4f84ea6bafea1b3e13cd84c7c6a1df1826293020e21e28c4bc47e849a