Analysis
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max time kernel
142s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-05-2024 16:32
Behavioral task
behavioral1
Sample
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe
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Size
2.5MB
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MD5
76195dea24952425594e7db7239ce0aa
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SHA1
b9791aef3c83751b937f2b60fda094cecb8954a8
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SHA256
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa
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SHA512
0cdce90ccffcd69dcf5cc1ff8f0ecfc55f16227b2f6e1141f80c5dfe4dddec71db097755d47715cc59ea4f10ef5c72598eef252f87e923adbac212a27bd90727
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SSDEEP
49152:WNx808T9CKJc5FwOTL6Xz0KlMJ+6NLptQx2UbdMM5Y2LWz:W4d9HxQuXzzMJ+65L12Lc
Malware Config
Extracted
buer
http://burload01.top/
http://burload02.top/
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
errorResponder.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\ErrorResponder\\errorResponder.exe\"" errorResponder.exe -
Processes:
resource yara_rule behavioral1/memory/2008-2-0x000000003FB80000-0x000000004020B000-memory.dmp buer behavioral1/memory/2008-3-0x000000003FB80000-0x000000004020B000-memory.dmp buer behavioral1/memory/2008-4-0x000000003FB80000-0x000000004020B000-memory.dmp buer behavioral1/memory/2008-5-0x000000003FB80000-0x000000004020B000-memory.dmp buer behavioral1/memory/2644-18-0x000000003F230000-0x000000003F8BB000-memory.dmp buer behavioral1/memory/2644-19-0x000000003F230000-0x000000003F8BB000-memory.dmp buer behavioral1/memory/2644-20-0x000000003F230000-0x000000003F8BB000-memory.dmp buer behavioral1/memory/2644-21-0x000000003F230000-0x000000003F8BB000-memory.dmp buer behavioral1/memory/2644-28-0x000000003F230000-0x000000003F8BB000-memory.dmp buer -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exeerrorResponder.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ errorResponder.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exeerrorResponder.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion errorResponder.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion errorResponder.exe -
Deletes itself 1 IoCs
Processes:
errorResponder.exepid process 2644 errorResponder.exe -
Executes dropped EXE 1 IoCs
Processes:
errorResponder.exepid process 2644 errorResponder.exe -
Loads dropped DLL 1 IoCs
Processes:
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exepid process 2008 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe -
Processes:
resource yara_rule behavioral1/memory/2008-0-0x000000003FB80000-0x000000004020B000-memory.dmp themida behavioral1/memory/2008-2-0x000000003FB80000-0x000000004020B000-memory.dmp themida behavioral1/memory/2008-3-0x000000003FB80000-0x000000004020B000-memory.dmp themida behavioral1/memory/2008-4-0x000000003FB80000-0x000000004020B000-memory.dmp themida behavioral1/memory/2008-5-0x000000003FB80000-0x000000004020B000-memory.dmp themida \ProgramData\ErrorResponder\errorResponder.exe themida behavioral1/memory/2644-17-0x000000003F230000-0x000000003F8BB000-memory.dmp themida behavioral1/memory/2644-18-0x000000003F230000-0x000000003F8BB000-memory.dmp themida behavioral1/memory/2644-19-0x000000003F230000-0x000000003F8BB000-memory.dmp themida behavioral1/memory/2644-20-0x000000003F230000-0x000000003F8BB000-memory.dmp themida behavioral1/memory/2644-21-0x000000003F230000-0x000000003F8BB000-memory.dmp themida behavioral1/memory/2644-28-0x000000003F230000-0x000000003F8BB000-memory.dmp themida -
Processes:
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exeerrorResponder.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA errorResponder.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exeerrorResponder.exepid process 2008 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe 2644 errorResponder.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
errorResponder.exepid process 2644 errorResponder.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
76195dea24952425594e7db7239ce0aa_JaffaCakes118.exeerrorResponder.exedescription pid process target process PID 2008 wrote to memory of 2644 2008 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe errorResponder.exe PID 2008 wrote to memory of 2644 2008 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe errorResponder.exe PID 2008 wrote to memory of 2644 2008 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe errorResponder.exe PID 2008 wrote to memory of 2644 2008 76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe errorResponder.exe PID 2644 wrote to memory of 2624 2644 errorResponder.exe secinit.exe PID 2644 wrote to memory of 2624 2644 errorResponder.exe secinit.exe PID 2644 wrote to memory of 2624 2644 errorResponder.exe secinit.exe PID 2644 wrote to memory of 2624 2644 errorResponder.exe secinit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\ProgramData\ErrorResponder\errorResponder.exeC:\ProgramData\ErrorResponder\errorResponder.exe "C:\Users\Admin\AppData\Local\Temp\76195dea24952425594e7db7239ce0aa_JaffaCakes118.exe" ensgJJ2⤵
- Modifies WinLogon for persistence
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Deletes itself
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\secinit.exeC:\ProgramData\ErrorResponder\errorResponder.exe3⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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\ProgramData\ErrorResponder\errorResponder.exeFilesize
2.5MB
MD576195dea24952425594e7db7239ce0aa
SHA1b9791aef3c83751b937f2b60fda094cecb8954a8
SHA25680e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa
SHA5120cdce90ccffcd69dcf5cc1ff8f0ecfc55f16227b2f6e1141f80c5dfe4dddec71db097755d47715cc59ea4f10ef5c72598eef252f87e923adbac212a27bd90727
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memory/2008-3-0x000000003FB80000-0x000000004020B000-memory.dmpFilesize
6.5MB
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memory/2008-2-0x000000003FB80000-0x000000004020B000-memory.dmpFilesize
6.5MB
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memory/2008-0-0x000000003FB80000-0x000000004020B000-memory.dmpFilesize
6.5MB
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memory/2008-4-0x000000003FB80000-0x000000004020B000-memory.dmpFilesize
6.5MB
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memory/2008-5-0x000000003FB80000-0x000000004020B000-memory.dmpFilesize
6.5MB
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memory/2008-1-0x0000000077D10000-0x0000000077D12000-memory.dmpFilesize
8KB
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memory/2644-17-0x000000003F230000-0x000000003F8BB000-memory.dmpFilesize
6.5MB
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memory/2644-18-0x000000003F230000-0x000000003F8BB000-memory.dmpFilesize
6.5MB
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memory/2644-19-0x000000003F230000-0x000000003F8BB000-memory.dmpFilesize
6.5MB
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memory/2644-20-0x000000003F230000-0x000000003F8BB000-memory.dmpFilesize
6.5MB
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memory/2644-21-0x000000003F230000-0x000000003F8BB000-memory.dmpFilesize
6.5MB
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memory/2644-28-0x000000003F230000-0x000000003F8BB000-memory.dmpFilesize
6.5MB