Analysis
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max time kernel
72s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
16-12-2024 05:11
Static task
static1
Behavioral task
behavioral1
Sample
f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll
Resource
win7-20241010-en
General
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Target
f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll
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Size
948KB
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MD5
f7772975a5360f3396bc2d6a1c2cb674
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SHA1
4d69261a02bff2339b2a7fd976808b4d20f07fdd
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SHA256
acc944d726c83004ade87e78f6629765eddeaee972de9b0f69bcf9a6cff1330b
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SHA512
1828b63ea08a1f1d2aeef3270ac1b08d6ae2d61cb163a7954ba2f5698a46e3b41b35f82102ba0bd5b8fce42d6c3442583e930c3729f85e77023530237c663d0a
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SSDEEP
24576:iD7xopx+JPLwUmQ9oXpnatxznRJz+9V/f0s:iZnPLwUmQ9+pwnRJ1s
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 2596 rundll32mgr.exe -
Loads dropped DLL 4 IoCs
pid Process 760 rundll32.exe 760 rundll32.exe 2596 rundll32mgr.exe 2596 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral1/memory/2596-11-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2596-15-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2596-19-0x0000000000400000-0x000000000046C000-memory.dmp upx -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 1740 wrote to memory of 760 1740 rundll32.exe 30 PID 760 wrote to memory of 2596 760 rundll32.exe 31 PID 760 wrote to memory of 2596 760 rundll32.exe 31 PID 760 wrote to memory of 2596 760 rundll32.exe 31 PID 760 wrote to memory of 2596 760 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
177KB
MD57c6cea630aa6eefcf1397099bf5711c4
SHA14d64f9f7134aa8d58cc68e7915b1cef6a022b4a2
SHA25620e1b8ee76eba89db86650b0b13c9019b9f4c6d75165c5e1b9cbd1e9bd17ecbe
SHA512b0136707456fd9a0fbf37e2f073f186dcc214ff75ea7ffd94dc528bed634e02d9656ae63a0f02434228bedb18982b85fcd57e8ae63c0ab466ad80c3de2a1ab4b
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94