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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28/02/2024, 12:03
Static task
static1
Behavioral task
behavioral1
Sample
abd5bc4c0ae51f1cbff6215bd4c7db1b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
abd5bc4c0ae51f1cbff6215bd4c7db1b.exe
Resource
win10v2004-20240226-en
General
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Target
abd5bc4c0ae51f1cbff6215bd4c7db1b.exe
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Size
11.5MB
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MD5
abd5bc4c0ae51f1cbff6215bd4c7db1b
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SHA1
78f1c2d2696d42c971f7aac2a5a9e4054ff156c3
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SHA256
1034116ab8df2f195badd17f38b4628e3ba7251dcd2e62d7dd34bc2c2791eb82
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SHA512
7fbfbeb41c05b7c688b2ca4f9eda3bc6f5a6021f4024c67a647b88c3bbdfec258a3d81540ef951f938689b4aa10e75c697a4533014cd34ddf2426aa7a9949b40
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SSDEEP
196608:nrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrL:
Malware Config
Extracted
tofsee
43.231.4.6
lazystax.ru
Signatures
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Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2376 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\cxntiqvx\ImagePath = "C:\\Windows\\SysWOW64\\cxntiqvx\\sbqlxwdn.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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation abd5bc4c0ae51f1cbff6215bd4c7db1b.exe -
Deletes itself 1 IoCs
pid Process 3696 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1332 sbqlxwdn.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1332 set thread context of 3696 1332 sbqlxwdn.exe 109 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2236 sc.exe 1812 sc.exe 5072 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
pid pid_target Process procid_target 624 3404 WerFault.exe 88 4276 1332 WerFault.exe 104 -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3404 wrote to memory of 2196 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 93 PID 3404 wrote to memory of 2196 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 93 PID 3404 wrote to memory of 2196 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 93 PID 3404 wrote to memory of 2620 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 96 PID 3404 wrote to memory of 2620 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 96 PID 3404 wrote to memory of 2620 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 96 PID 3404 wrote to memory of 2236 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 98 PID 3404 wrote to memory of 2236 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 98 PID 3404 wrote to memory of 2236 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 98 PID 3404 wrote to memory of 1812 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 100 PID 3404 wrote to memory of 1812 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 100 PID 3404 wrote to memory of 1812 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 100 PID 3404 wrote to memory of 5072 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 102 PID 3404 wrote to memory of 5072 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 102 PID 3404 wrote to memory of 5072 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 102 PID 3404 wrote to memory of 2376 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 105 PID 3404 wrote to memory of 2376 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 105 PID 3404 wrote to memory of 2376 3404 abd5bc4c0ae51f1cbff6215bd4c7db1b.exe 105 PID 1332 wrote to memory of 3696 1332 sbqlxwdn.exe 109 PID 1332 wrote to memory of 3696 1332 sbqlxwdn.exe 109 PID 1332 wrote to memory of 3696 1332 sbqlxwdn.exe 109 PID 1332 wrote to memory of 3696 1332 sbqlxwdn.exe 109 PID 1332 wrote to memory of 3696 1332 sbqlxwdn.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\abd5bc4c0ae51f1cbff6215bd4c7db1b.exe"C:\Users\Admin\AppData\Local\Temp\abd5bc4c0ae51f1cbff6215bd4c7db1b.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cxntiqvx\2⤵PID:2196
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sbqlxwdn.exe" C:\Windows\SysWOW64\cxntiqvx\2⤵PID:2620
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create cxntiqvx binPath= "C:\Windows\SysWOW64\cxntiqvx\sbqlxwdn.exe /d\"C:\Users\Admin\AppData\Local\Temp\abd5bc4c0ae51f1cbff6215bd4c7db1b.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2236
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description cxntiqvx "wifi internet conection"2⤵
- Launches sc.exe
PID:1812
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start cxntiqvx2⤵
- Launches sc.exe
PID:5072
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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
PID:2376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 11642⤵
- Program crash
PID:624
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C:\Windows\SysWOW64\cxntiqvx\sbqlxwdn.exeC:\Windows\SysWOW64\cxntiqvx\sbqlxwdn.exe /d"C:\Users\Admin\AppData\Local\Temp\abd5bc4c0ae51f1cbff6215bd4c7db1b.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
PID:3696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 5122⤵
- Program crash
PID:4276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3404 -ip 34041⤵PID:2736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1332 -ip 13321⤵PID:4316
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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Filesize
12.9MB
MD54f45cce1553a3b7f0515bd989c054d24
SHA1a8df74b9218409bcfe334aab1a012f0caf71c2be
SHA256248ae626a6eeda354433502a542ed8de0cb179ff255535ecbf6d319d0def9c1a
SHA512a9af7a25a731172b46d8521d3960d5dd7294bf3e49d2d1ade56c7dcf4dd4546b18d67ff25e50b651722c989526237971bce2b50c61b1a1c6de2777182640c54d