659cf29395cef49c1410e4ad21d9735a25a8dc77d7a3f5797e9d1f9b9967723f

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 22:32

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General

Target
4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe
Size 20KB
Sample241015-2f53pavdpj
SHA256 659cf29395cef49c1410e4ad21d9735a25a8dc77d7a3f5797e9d1f9b9967723f
MD5 4a4f647bf595b8c3ca29a46d4ec4189d
SHA1 c3094a79b41b696b7bbdc5515411bf5c07fc2763
SHA512 c474215bed24414ea5c3a2164057f78aa661c9bef547f48b0bc4f1f860024d61c7133cf67f3e69b65e2cd9a2ade3e37cf965aca9abb11e8148d2dd36053d80b0
SSDEEP 384:APScc4sQ9nBx8XllEsil4/ThSwuwfd04d9CjRCblGIzX9Ilm0FO+MNyjD7G4rSX:APcImJilC5BdcjQG6XBdXc4
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

bootkit discovery 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 4300 set thread context of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1020	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84
PID 4300 wrote to memory of 1020	4300	4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a4f647bf595b8c3ca29a46d4ec4189d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1020

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1020-1-0x0000000013140000-0x000000001324A000-memory.dmp

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memory/4300-0-0x0000000014140000-0x0000000014149000-memory.dmp

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memory/4300-2-0x0000000014140000-0x0000000014149000-memory.dmp

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