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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
24/07/2024, 07:40
Behavioral task
behavioral1
Sample
6ac5a96fa2677fb7f602d1269ebba484_JaffaCakes118.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6ac5a96fa2677fb7f602d1269ebba484_JaffaCakes118.dll
Resource
win10v2004-20240709-en
General
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Target
6ac5a96fa2677fb7f602d1269ebba484_JaffaCakes118.dll
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Size
60KB
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MD5
6ac5a96fa2677fb7f602d1269ebba484
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SHA1
7a8d0123ea6a9adbba42c6f007c8e4a4a761b881
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SHA256
43531d3b8de7c9a3ad040bd28df53cb27d6c3211d339b98f5262f0d2eb55526b
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SHA512
fdcae3a1705950d6e0be4fbc1b24d761d4ac4e2f90774b58fb5670d5cfd45439ed281d4667030e66aa13d41c3888b4f8235001b7bd0cbf43e5abe903367eb3e6
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SSDEEP
1536:LJiYU3BupCdtWMrd4IJfzc5TOtnVxhxMU:LJil3BaCdtWxSLMTOtVxgU
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation cmd.exe -
resource yara_rule behavioral2/memory/4828-0-0x0000000010000000-0x000000001000F000-memory.dmp vmprotect -
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 3 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe -
Modifies registry class 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
pid Process 4500 regedit.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4828 rundll32.exe 4828 rundll32.exe 4828 rundll32.exe 4828 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1972 wrote to memory of 4828 1972 rundll32.exe 84 PID 1972 wrote to memory of 4828 1972 rundll32.exe 84 PID 1972 wrote to memory of 4828 1972 rundll32.exe 84 PID 4828 wrote to memory of 2124 4828 rundll32.exe 85 PID 4828 wrote to memory of 2124 4828 rundll32.exe 85 PID 4828 wrote to memory of 2124 4828 rundll32.exe 85 PID 2124 wrote to memory of 4500 2124 cmd.exe 87 PID 2124 wrote to memory of 4500 2124 cmd.exe 87 PID 2124 wrote to memory of 4500 2124 cmd.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6ac5a96fa2677fb7f602d1269ebba484_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6ac5a96fa2677fb7f602d1269ebba484_JaffaCakes118.dll,#12⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a.reg3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\regedit.exe"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"4⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
PID:4500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5b100f5324ef74ded0b998e64d07a2e19
SHA140b0d7f51bf2dd8451f1b723d21355c471a5fa46
SHA2563db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042
SHA512c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04