Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 13:00
Static task
static1
Behavioral task
behavioral1
Sample
bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe
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Size
134KB
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MD5
bd81c9b4e808986568e82f507e8a5b3c
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SHA1
139b69fac6cace200cf8bbf0617ebff85bfa295f
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SHA256
ebd1e9e477918163f3c7ba846f5de93da3cd32bacbd0405317e3053469870888
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SHA512
3cde64c726d11a3c4645ad73ae58a4abc93f0e9ca7730da14ad4b486d69999d91108e861e5accac347eed2fda51d3d8c6f26aed45269be820d16ca52c1c96779
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SSDEEP
3072:vv/AGWxl0vhtBNwTYYgioDlwbtVBCN1xRWy1MaiyzUhAv2EdK:X/ApshwaiilwTIN1xRSaJUhi7dK
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Metasploit family
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Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile igfxhc32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications igfxhc32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhc32.exe = "C:\\Windows\\SysWOW64\\igfxhc32.exe:*:Enabled:Intel Control Hub" igfxhc32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxhc32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile igfxhc32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications igfxhc32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhc32.exe = "C:\\Windows\\SysWOW64\\igfxhc32.exe:*:Enabled:Intel Control Hub" igfxhc32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxhc32.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 4492 igfxhc32.exe -
Executes dropped EXE 2 IoCs
pid Process 2232 igfxhc32.exe 4492 igfxhc32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Control Hub = "C:\\Windows\\SysWOW64\\igfxhc32.exe" igfxhc32.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxhc32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 igfxhc32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\igfxhc32.exe bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe File created C:\Windows\SysWOW64\igfxhc32.exe bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ igfxhc32.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4768 set thread context of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 2232 set thread context of 4492 2232 igfxhc32.exe 88 -
resource yara_rule behavioral2/memory/2184-0-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/2184-2-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/2184-3-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/2184-4-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/2184-42-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/4492-44-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/2184-45-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/2184-46-0x0000000000400000-0x0000000000428000-memory.dmp upx behavioral2/memory/4492-47-0x0000000000400000-0x000000000044C000-memory.dmp upx behavioral2/memory/4492-48-0x0000000000400000-0x000000000044C000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language igfxhc32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language igfxhc32.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 4492 igfxhc32.exe 4492 igfxhc32.exe 4492 igfxhc32.exe 4492 igfxhc32.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 4768 wrote to memory of 2184 4768 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 82 PID 2184 wrote to memory of 2232 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 87 PID 2184 wrote to memory of 2232 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 87 PID 2184 wrote to memory of 2232 2184 bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe 87 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 2232 wrote to memory of 4492 2232 igfxhc32.exe 88 PID 4492 wrote to memory of 3520 4492 igfxhc32.exe 56 PID 4492 wrote to memory of 3520 4492 igfxhc32.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3520
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C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4768 -
C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe"3⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\igfxhc32.exe"C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\BD81C9~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\igfxhc32.exe"C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\BD81C9~1.EXE5⤵
- Modifies firewall policy service
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4492
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
134KB
MD5bd81c9b4e808986568e82f507e8a5b3c
SHA1139b69fac6cace200cf8bbf0617ebff85bfa295f
SHA256ebd1e9e477918163f3c7ba846f5de93da3cd32bacbd0405317e3053469870888
SHA5123cde64c726d11a3c4645ad73ae58a4abc93f0e9ca7730da14ad4b486d69999d91108e861e5accac347eed2fda51d3d8c6f26aed45269be820d16ca52c1c96779