3aca77e3c2b2978683f1929d4c3cdac4180684019e38fa9d9b8165dffe1640e0

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 13:42

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General

Target

06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe
Size

17KB
MD5

06854ae687393b67cb15667ed9f1a507
SHA1

569eb9496c3c898cb9dc3fa6163e7c9da5e514fb
SHA256

3aca77e3c2b2978683f1929d4c3cdac4180684019e38fa9d9b8165dffe1640e0
SHA512

bf6f249e9e604d28b5eba7d3cca2139ade2bd07fbb2b28f6fcdae047d0f4c8f6312a02b5adc6a49021dcc36e3d82cfdd4aa321bf1fe0ac57ef49c16d76f0948e
SSDEEP

384:a5q4Z3khKU7dCxvRghCk04NRR3Jvnst3yCmSwg1KsmCO16:6kwxxtaNWw6wYG1

Score

7^/10

persistence upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5000-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral2/memory/5000-6-0x0000000000400000-0x000000000040D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cmdbcs = "C:\\Windows\\cmdbcs.exe"	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cmdbcs.dll	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\cmdbcs.exe	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe
File opened for modification	C:\Windows\cmdbcs.exe	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe
5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe
5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe
5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3444	5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe	56
PID 5000 wrote to memory of 3444	5000	06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3444
- C:\Users\Admin\AppData\Local\Temp\06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\06854ae687393b67cb15667ed9f1a507_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\cmdbcs.dll

Filesize
23KB

MD5
d1956f79a2b0e6dc87109d8391ce9e2b

SHA1
f2acddcdf026ec0a1b29651b3368c98db1f5b9db

SHA256
e21ce613149cc02ab865ed6f048110e15e901b5c55ed7842a09ceb2242af363e

SHA512
901f90408886c212f29a1cf4c9af12a2a64c6b53444b928dcd251671536cd00e8c20493bcd263b099122206498646d9b2aaf9f6f897c30caf2cd632f8d5a3017

Download Submit
memory/5000-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5000-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5000-7-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download