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Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27/06/2024, 16:54
Static task
static1
Behavioral task
behavioral1
Sample
16c3c0e15e47742b59ec5b5c7188a558_JaffaCakes118.dll
Resource
win7-20240221-en
General
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Target
16c3c0e15e47742b59ec5b5c7188a558_JaffaCakes118.dll
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Size
763KB
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MD5
16c3c0e15e47742b59ec5b5c7188a558
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SHA1
74b61c3306a22bd8bea29a332045ebe178ab1b31
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SHA256
55982eccc1fe2e492d5a53e0e6d5b881641c96bc2763126b716a7ef480bbdfec
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SHA512
c4ab9a61d11517ef678a0bbe32f2226898de5a6afe672947d16574ca68f44cef74324b8bb4cd1d7ceacaef791d2448ce61fe076231afc1dad43995e85982b40c
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SSDEEP
12288:8DtSLQX8I6T4P9oAfV58ff4QUBfUcgLEXT7YwneETUvwUMqtQLrac:8Us8IB9oAfV5gf4TB1gLEnYAeE+wDfn
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1740 rundll32mgr.exe -
Loads dropped DLL 4 IoCs
pid Process 1164 rundll32.exe 1164 rundll32.exe 1740 rundll32mgr.exe 1740 rundll32mgr.exe -
resource yara_rule behavioral1/memory/1740-10-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral1/memory/1740-17-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2528 1740 WerFault.exe 29 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1948 wrote to memory of 1164 1948 rundll32.exe 28 PID 1164 wrote to memory of 1740 1164 rundll32.exe 29 PID 1164 wrote to memory of 1740 1164 rundll32.exe 29 PID 1164 wrote to memory of 1740 1164 rundll32.exe 29 PID 1164 wrote to memory of 1740 1164 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\16c3c0e15e47742b59ec5b5c7188a558_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\16c3c0e15e47742b59ec5b5c7188a558_JaffaCakes118.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1740 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 1804⤵
- Program crash
PID:2528
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94
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Filesize
106KB
MD5fe36fb1073e6f8fa14d7250501a29aaf
SHA16c7e01278362797dabcff3e666b68227cb9af10f
SHA256f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6
SHA5128584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f