83f5e7fc9ee7215765caf55f0e06f0008d1b6b3f3cdd8cc835ff21f6d5301861

Analysis

max time kernel
132s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 13:16

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General

Target

1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe
Size

20KB
MD5

1a42a7fc079eab742f029e594198979b
SHA1

9bfd19754499254c0a9a5cca215e69e424158f46
SHA256

83f5e7fc9ee7215765caf55f0e06f0008d1b6b3f3cdd8cc835ff21f6d5301861
SHA512

5545ba6100c4bfced43f3243310422164ab2e34d8ffa97e3c3cf2be07a8254ef3441865bd8c99c803a1581d58dd022031eec6028eaa9c81716a9daa6e6b18d80
SSDEEP

384:sjZneXcuZB44REff/gfne1xc2gjIklWaUmo83fekWxgsHXLkauyyIyeI:P/ZBnREffoa5kwaUAPekWys3myi

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	IEXPLORE.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4600	2740	WerFault.exe	80

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4568	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81
PID 2740 wrote to memory of 4568	2740	1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a42a7fc079eab742f029e594198979b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:4568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 240
  2⤵
  - Program crash
  PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2740 -ip 2740
1⤵
PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2740-0-0x0000000014140000-0x0000000014149000-memory.dmp

Filesize
36KB

Download
memory/4568-1-0x0000000013140000-0x00000000131E8000-memory.dmp

Filesize
672KB

Download