Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2024 13:48
Static task
static1
Behavioral task
behavioral1
Sample
e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe
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Size
50KB
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MD5
e940d20bf352247a3b3b445c306a0165
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SHA1
aadaab5a19293b15cc5a66927e92d9f383936fe5
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SHA256
6ae14ad216e305538f812cf7f256131f1803d6c97edbef9af8953f027ded12b7
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SHA512
9ec7acb3ccdc1e3b4ec2fa4504addff241bcc600d111bd092f8025f9b4db684971d811fea686a335007176aab7aea593ef9c03d50808fc46e109d811bf337003
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SSDEEP
1536:2H8lrF6OK9EdsAwGnOQOUB6ka9FOoMORrpqFQ:TlrF6OKSw84fpIFQ
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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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\wrdrive32.exe" e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4824 wrdrive32.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\Microsoft Driver Setup = "C:\\Windows\\wrdrive32.exe" e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\wrdrive32.exe e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe File opened for modification C:\Windows\wrdrive32.exe e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe File created C:\Windows\%windir%\lfffile32.log wrdrive32.exe -
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 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wrdrive32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4132 wrote to memory of 4824 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe 82 PID 4132 wrote to memory of 4824 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe 82 PID 4132 wrote to memory of 4824 4132 e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e940d20bf352247a3b3b445c306a0165_JaffaCakes118.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\wrdrive32.exe"C:\Windows\wrdrive32.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD5e940d20bf352247a3b3b445c306a0165
SHA1aadaab5a19293b15cc5a66927e92d9f383936fe5
SHA2566ae14ad216e305538f812cf7f256131f1803d6c97edbef9af8953f027ded12b7
SHA5129ec7acb3ccdc1e3b4ec2fa4504addff241bcc600d111bd092f8025f9b4db684971d811fea686a335007176aab7aea593ef9c03d50808fc46e109d811bf337003