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Analysis
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max time kernel
138s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 01:30
Static task
static1
Behavioral task
behavioral1
Sample
8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe
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Size
722KB
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MD5
8877731ac9d89376ec760076289c94b7
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SHA1
3507d10ca1db3965abe913beda4fe25c1a80a6a7
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SHA256
05383f03f867b2293d9d991acfb03576bcd07c9e4d2f9afd60de54e59a9fbb5a
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SHA512
af2966b96c712825057d5dabcfc3fa9280b637eb5fdf8acaa31342623dc327bbd05594cf67998b509a2ecdb55f7175015c124f00fed3a809edcf95c94c4e948b
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SSDEEP
12288:ZOigytK/0Oxj2BuBgKZ+SawSr1Nqn3YQ1F3Z4mxx6DqVTVOCo:ZOaEsojiuBgKBa7NFQ1QmXBVTzo
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4892 2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1580 4892 WerFault.exe 86 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2988 wrote to memory of 4892 2988 8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe 86 PID 2988 wrote to memory of 4892 2988 8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe 86 PID 2988 wrote to memory of 4892 2988 8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8877731ac9d89376ec760076289c94b7_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4892 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 2643⤵
- Program crash
PID:1580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 48921⤵PID:1380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
345KB
MD530d1c597d540e7f2c24d2d85f6261785
SHA1d35e84805a97b91413d5e468016f8dfdebaf5e8a
SHA256169b1d448df93e2e0df3b295b7aa8c3aada47d3ef24bf01b9d7ea05767b9665a
SHA5129b0b73423728d078a55e6dbd60669f364953b585119c0470f3e34fe36523778cb4d24b345a3cd1d24bc0e16f346f033055876faf51d61d85671d6d04106a835f