Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05-04-2024 08:12
Static task
static1
Behavioral task
behavioral1
Sample
ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe
Resource
win10v2004-20231215-en
General
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Target
ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe
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Size
13.3MB
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MD5
ce3f7efb279c44bf3e7e5aede0b26d5e
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SHA1
23bfbf9c0e1e9bd68ca6fc593d1a83e81b8483de
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SHA256
89017198e6129785f853d829a30bdaeab8937cdd4ae26406a0c71a25957c414d
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SHA512
d49a2f47cc6966c289ed6ad92cffb7b750504626278f5072fa3dc0c198f641cae5d2812d3a29f74eef05f3769c68db6865a2e7d7031692564432f2eafd6441fb
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SSDEEP
196608:Z5qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqH:Z
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1492 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fnlqhrac\ImagePath = "C:\\Windows\\SysWOW64\\fnlqhrac\\kngomowg.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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2368 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2840 kngomowg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2840 set thread context of 2368 2840 kngomowg.exe 100 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4756 sc.exe 2524 sc.exe 4920 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 212 4192 WerFault.exe 83 4416 2840 WerFault.exe 94 -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4192 wrote to memory of 4500 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 84 PID 4192 wrote to memory of 4500 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 84 PID 4192 wrote to memory of 4500 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 84 PID 4192 wrote to memory of 2332 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 86 PID 4192 wrote to memory of 2332 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 86 PID 4192 wrote to memory of 2332 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 86 PID 4192 wrote to memory of 4756 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 88 PID 4192 wrote to memory of 4756 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 88 PID 4192 wrote to memory of 4756 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 88 PID 4192 wrote to memory of 2524 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 90 PID 4192 wrote to memory of 2524 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 90 PID 4192 wrote to memory of 2524 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 90 PID 4192 wrote to memory of 4920 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 92 PID 4192 wrote to memory of 4920 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 92 PID 4192 wrote to memory of 4920 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 92 PID 4192 wrote to memory of 1492 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 95 PID 4192 wrote to memory of 1492 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 95 PID 4192 wrote to memory of 1492 4192 ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe 95 PID 2840 wrote to memory of 2368 2840 kngomowg.exe 100 PID 2840 wrote to memory of 2368 2840 kngomowg.exe 100 PID 2840 wrote to memory of 2368 2840 kngomowg.exe 100 PID 2840 wrote to memory of 2368 2840 kngomowg.exe 100 PID 2840 wrote to memory of 2368 2840 kngomowg.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fnlqhrac\2⤵PID:4500
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kngomowg.exe" C:\Windows\SysWOW64\fnlqhrac\2⤵PID:2332
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create fnlqhrac binPath= "C:\Windows\SysWOW64\fnlqhrac\kngomowg.exe /d\"C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:4756
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description fnlqhrac "wifi internet conection"2⤵
- Launches sc.exe
PID:2524
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start fnlqhrac2⤵
- Launches sc.exe
PID:4920
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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:1492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 12242⤵
- Program crash
PID:212
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C:\Windows\SysWOW64\fnlqhrac\kngomowg.exeC:\Windows\SysWOW64\fnlqhrac\kngomowg.exe /d"C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
PID:2368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 5362⤵
- Program crash
PID:4416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4192 -ip 41921⤵PID:4824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2840 -ip 28401⤵PID:4804
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
10.8MB
MD5b5ce01e388a910ee8f735d7d4e869e54
SHA1d5347df76e639b9ed4f94fd7bf0a78827736afa1
SHA256e4ff441a5e0d7943e5d282c5b648e73bdfbe53619c3168e9aec0ba3a8bd615a3
SHA51220e09108e9fd43a1668e9e2f7d60f2778395184966e234f19ed1f1fc656e6b27508a42ea27fdf3f9407cd41fbdbbbfa0cc82c69e616bfc78a28981fbac6c863f