2788e5b0cf8f9f237f89da73349231ab8fd6f260f5eacf0501f70067a379404f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 02:10

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General

Target

3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe
Size

250KB
MD5

3fc964ef6b0795b8dafe13383d3fafcb
SHA1

deb6b06589f3c97f40a6eee427169ff03ce669cf
SHA256

2788e5b0cf8f9f237f89da73349231ab8fd6f260f5eacf0501f70067a379404f
SHA512

8ba2793d3025ec7793ee5aa11590712685b466336d54ca41b58865ca535cd653318d0fd1e4757920009c15f55a9e87a7f7c6a49018fb4ff7edc32621d3ee8281
SSDEEP

6144:j7y+Qfb56BBMl5yyw5CpA/7sJ5pwvP6bQ7yMP+DE827KJq:/yf6aw5krJ5i6b7MP+Dd27

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	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\inf\ram32xp.dll	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe
File created	C:\Windows\inf\ram65xp.dll	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 1276 wrote to memory of 2892	1276	3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2820	2744	explorer.exe	32
PID 2744 wrote to memory of 2820	2744	explorer.exe	32
PID 2744 wrote to memory of 2820	2744	explorer.exe	32
PID 2744 wrote to memory of 2820	2744	explorer.exe	32

C:\Users\Admin\AppData\Local\Temp\3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fc964ef6b0795b8dafe13383d3fafcb_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe "c:\FINAL_TBF2.pdf"
  2⤵
  PID:2892

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\FINAL_TBF2.pdf"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2820

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
f43bb53ad6a3b7caa25cab37ef188f08

SHA1
c359188aff5baf9edb13216bac4ae5185398dd9e

SHA256
a0f282bf30c29c13052ab84e96cc97bb0c1acbcffa8a42203b36ada1d1a49911

SHA512
beb68310273d2c69263f6881da5a41516b1cef14a63de2879de5fc41d3f27fd105a90bf2778b834a51b364d32ba2dbee57f0d34aa786be66c60b833c444536bc

Download Submit
memory/1276-0-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1276-1-0x00000000002F0000-0x0000000000369000-memory.dmp

Filesize
484KB

Download
memory/1276-3-0x0000000000459000-0x000000000045A000-memory.dmp

Filesize
4KB

Download
memory/1276-5-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1276-4-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1276-2-0x00000000002F0000-0x0000000000369000-memory.dmp

Filesize
484KB

Download
memory/1276-8-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads