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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01/10/2024, 05:03
Static task
static1
Behavioral task
behavioral1
Sample
047601034ca9ffd0a0f36637dd4736b5_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
047601034ca9ffd0a0f36637dd4736b5_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
047601034ca9ffd0a0f36637dd4736b5_JaffaCakes118.dll
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Size
237KB
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MD5
047601034ca9ffd0a0f36637dd4736b5
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SHA1
b9775b7db7466238e1f998fe7b27d53521eca69d
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SHA256
ae4d1e67125d3687b32d0a87795f73a78eb9cc2252fd8f0a969301b7bf45bdd0
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SHA512
2686a39ed45cb815c22dc1c541a5c098565bec24f45226e09d688f744bc05433d225be2bdf1f7c03ffbe2f65514ba4551f87f38823254e25ad61200e7b423605
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SSDEEP
1536:/6NmMBMBKw1ocbCzcT7ZAEPUBe1YWklnJh+HkirKtCugAx5C547zCrG8GpwkF22:/01B7XcbCk+e10JTsKtP5w47zhwkF22
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\eusesbywj = "{e6a66340-6e2e-b373-7f3f-6e2eebc8d513}" rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2036 rundll32.exe 2036 rundll32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rhfrfoljw.dll rundll32.exe File created C:\Windows\SysWOW64\dtrdraxvi.dll rundll32.exe File created C:\Windows\SysWOW64\rhfrfoljw.dll rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e6a66340-6e2e-b373-7f3f-6e2eebc8d513} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e6a66340-6e2e-b373-7f3f-6e2eebc8d513}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e6a66340-6e2e-b373-7f3f-6e2eebc8d513}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e6a66340-6e2e-b373-7f3f-6e2eebc8d513}\InprocServer32\ = "C:\\Windows\\SysWow64\\zpnznwtre.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e6a66340-6e2e-b373-7f3f-6e2eebc8d513}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2036 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2572 wrote to memory of 2036 2572 rundll32.exe 30 PID 2572 wrote to memory of 2036 2572 rundll32.exe 30 PID 2572 wrote to memory of 2036 2572 rundll32.exe 30 PID 2572 wrote to memory of 2036 2572 rundll32.exe 30 PID 2572 wrote to memory of 2036 2572 rundll32.exe 30 PID 2572 wrote to memory of 2036 2572 rundll32.exe 30 PID 2572 wrote to memory of 2036 2572 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\047601034ca9ffd0a0f36637dd4736b5_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\047601034ca9ffd0a0f36637dd4736b5_JaffaCakes118.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94
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Filesize
625KB
MD595e2376b3323f062eb562b8586d0f14a
SHA1453d4c3bf4a489433b593420a37bbffb7749875a
SHA256bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017
SHA512b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d