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Analysis
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max time kernel
138s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-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 2988 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 2988 rundll32mgr.exe -
resource yara_rule behavioral2/memory/2988-5-0x0000000000400000-0x000000000042A000-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 2680 2988 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1592 wrote to memory of 1816 1592 rundll32.exe 81 PID 1592 wrote to memory of 1816 1592 rundll32.exe 81 PID 1592 wrote to memory of 1816 1592 rundll32.exe 81 PID 1816 wrote to memory of 2988 1816 rundll32.exe 82 PID 1816 wrote to memory of 2988 1816 rundll32.exe 82 PID 1816 wrote to memory of 2988 1816 rundll32.exe 82
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:1592 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\16c3c0e15e47742b59ec5b5c7188a558_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2988 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 5284⤵
- Program crash
PID:2680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2988 -ip 29881⤵PID:3380
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
106KB
MD5fe36fb1073e6f8fa14d7250501a29aaf
SHA16c7e01278362797dabcff3e666b68227cb9af10f
SHA256f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6
SHA5128584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f