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Analysis
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max time kernel
146s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12/07/2024, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe
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Size
13.9MB
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MD5
3f1b7aa146a77bf2b405b38e0cf62df1
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SHA1
2fc056586e9b126a845916e2f3f44093745fab97
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SHA256
e3a222160ea8ef3a551466e2307177cbba020d448a1c987810873aff2dfc217c
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SHA512
89a6a7204348648067827fb0baf36f188139b40466e71e39834650574b28b5e9257d6ad829fab082ae1a159b79d48e7b4d3fcfc1803086f6be8d5ecb1b9cd202
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SSDEEP
196608:z3qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq3:z
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 3980 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\cerzsspq\ImagePath = "C:\\Windows\\SysWOW64\\cerzsspq\\adwecemw.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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 3940 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 648 adwecemw.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 648 set thread context of 3940 648 adwecemw.exe 102 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3408 sc.exe 960 sc.exe 644 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 -
Program crash 2 IoCs
pid pid_target Process procid_target 4496 1592 WerFault.exe 82 3260 648 WerFault.exe 96 -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1592 wrote to memory of 2780 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 86 PID 1592 wrote to memory of 2780 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 86 PID 1592 wrote to memory of 2780 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 86 PID 1592 wrote to memory of 2884 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 88 PID 1592 wrote to memory of 2884 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 88 PID 1592 wrote to memory of 2884 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 88 PID 1592 wrote to memory of 3408 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 90 PID 1592 wrote to memory of 3408 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 90 PID 1592 wrote to memory of 3408 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 90 PID 1592 wrote to memory of 960 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 92 PID 1592 wrote to memory of 960 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 92 PID 1592 wrote to memory of 960 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 92 PID 1592 wrote to memory of 644 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 94 PID 1592 wrote to memory of 644 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 94 PID 1592 wrote to memory of 644 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 94 PID 1592 wrote to memory of 3980 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 97 PID 1592 wrote to memory of 3980 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 97 PID 1592 wrote to memory of 3980 1592 3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe 97 PID 648 wrote to memory of 3940 648 adwecemw.exe 102 PID 648 wrote to memory of 3940 648 adwecemw.exe 102 PID 648 wrote to memory of 3940 648 adwecemw.exe 102 PID 648 wrote to memory of 3940 648 adwecemw.exe 102 PID 648 wrote to memory of 3940 648 adwecemw.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cerzsspq\2⤵PID:2780
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\adwecemw.exe" C:\Windows\SysWOW64\cerzsspq\2⤵PID:2884
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create cerzsspq binPath= "C:\Windows\SysWOW64\cerzsspq\adwecemw.exe /d\"C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:3408
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description cerzsspq "wifi internet conection"2⤵
- Launches sc.exe
PID:960
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start cerzsspq2⤵
- Launches sc.exe
PID:644
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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
PID:3980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 10442⤵
- Program crash
PID:4496
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C:\Windows\SysWOW64\cerzsspq\adwecemw.exeC:\Windows\SysWOW64\cerzsspq\adwecemw.exe /d"C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
PID:3940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 5162⤵
- Program crash
PID:3260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1592 -ip 15921⤵PID:888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 648 -ip 6481⤵PID:1148
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
1Replay Monitor
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Downloads
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Filesize
10.4MB
MD5f9edefbec9b86a439939d1ef0dff237f
SHA1075fb6da0dd9a87139ccfd42b7ff6848a8ec2d3b
SHA2568e1f91236b81edfec4160211865c19a6f4c8a0805bff7befd636fa7ac94dec0a
SHA512f8e7444a7b8463a386e357a656abaaeb6c19b1cc76968ffe77a8d370a8aa30f69f5edca24bd4ec219dcd7b6861de06399adfb3722e4b0c089f6296ec330c4569