Analysis
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max time kernel
147s -
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
31-08-2024 02:08
Static task
static1
Behavioral task
behavioral1
Sample
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe
Resource
win10v2004-20240802-en
General
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Target
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe
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Size
14.6MB
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MD5
6e734800376974cd4fbe0fbc91e0a138
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SHA1
7711d0bc3c0e82526029b67473cc5ee222933497
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SHA256
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e
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SHA512
911b78fc44b16cd3e3337a320513081dd65f0dd671b1847c35187e3b7ea9603f0f16d869fb355cecffc6f22d02b4b1212a9fa3151bdc361b790cd648cd374c86
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SSDEEP
98304:8wfDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDr:8w
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 4252 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\tbzpguum\ImagePath = "C:\\Windows\\SysWOW64\\tbzpguum\\mykssdsa.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2300 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
mykssdsa.exepid process 1060 mykssdsa.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
mykssdsa.exedescription pid process target process PID 1060 set thread context of 2300 1060 mykssdsa.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 1476 sc.exe 1872 sc.exe 2156 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 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3272 4672 WerFault.exe 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe 4536 1060 WerFault.exe mykssdsa.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:
mykssdsa.exe52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.execmd.execmd.exenetsh.exesc.exesc.exesc.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mykssdsa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.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 netsh.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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exemykssdsa.exedescription pid process target process PID 4672 wrote to memory of 2736 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 4672 wrote to memory of 2736 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 4672 wrote to memory of 2736 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 4672 wrote to memory of 1052 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 4672 wrote to memory of 1052 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 4672 wrote to memory of 1052 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 4672 wrote to memory of 1476 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 1476 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 1476 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 1872 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 1872 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 1872 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 2156 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 2156 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 2156 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 4672 wrote to memory of 4252 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 4672 wrote to memory of 4252 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 4672 wrote to memory of 4252 4672 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 1060 wrote to memory of 2300 1060 mykssdsa.exe svchost.exe PID 1060 wrote to memory of 2300 1060 mykssdsa.exe svchost.exe PID 1060 wrote to memory of 2300 1060 mykssdsa.exe svchost.exe PID 1060 wrote to memory of 2300 1060 mykssdsa.exe svchost.exe PID 1060 wrote to memory of 2300 1060 mykssdsa.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe"C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tbzpguum\2⤵
- System Location Discovery: System Language Discovery
PID:2736 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mykssdsa.exe" C:\Windows\SysWOW64\tbzpguum\2⤵
- System Location Discovery: System Language Discovery
PID:1052 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create tbzpguum binPath= "C:\Windows\SysWOW64\tbzpguum\mykssdsa.exe /d\"C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1476 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description tbzpguum "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1872 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start tbzpguum2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2156 -
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:4252 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 6642⤵
- Program crash
PID:3272
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C:\Windows\SysWOW64\tbzpguum\mykssdsa.exeC:\Windows\SysWOW64\tbzpguum\mykssdsa.exe /d"C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2300 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 5082⤵
- Program crash
PID:4536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4672 -ip 46721⤵PID:2984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1060 -ip 10601⤵PID:2868
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
14.7MB
MD5dcd18435ecea59c2ea2c24789969fabd
SHA170216f54d4ed92d759ba72e2b8fb301909071eea
SHA256b1fbc3263c28bcf553df31f3c9b05c27fb048d7bf446ee6d4dba5615fc8f95b5
SHA5129f4fd7555343da8a5e4812ed8899ab33a14dd8130f0e91bf9c70388ab81a6c0349749055fd1ecb2efb8a6e05b806d7fad24905a1136b301cc072c754c5d5abb7