496b4b8659f199ff0114624c37e926359175dacc10df3a533643988f2f79b673

General

Target

dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
Size

271KB
MD5

dc4a53a61e55064647ede6ff07b3bd6d
SHA1

4befd4a35e8b9e613f406c62017e34e51fbddf51
SHA256

496b4b8659f199ff0114624c37e926359175dacc10df3a533643988f2f79b673
SHA512

9b74000de07e85184c0a2801016cdbff278725186a3e5e85078aa59e6573d8c62b9161f2ed9e1b69498e9aef094b4d056c76b167e276fe5712328cfcfd22a225
SSDEEP

6144:+7VB+Pfl2OkSCt47sRjvD1tXaP1o6R7DRGPNv:kMcOkssRjZsdoKlq

Score

7^/10

bootkit discovery persistence upx

Malware Config

Signatures

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/824-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral1/memory/824-16-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral1/memory/824-18-0x0000000002770000-0x00000000027D7000-memory.dmp	upx
behavioral1/memory/2780-34-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/memory/2780-32-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/memory/2780-33-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/memory/2780-30-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/memory/2780-26-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/memory/2780-24-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/memory/2780-36-0x0000000000400000-0x000000000045E000-memory.dmp	upx

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	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 824 set thread context of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 2408 set thread context of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2780	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 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	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 824 wrote to memory of 2408	824	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	31
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2408 wrote to memory of 2780	2408	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2824	2780	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	33
PID 2780 wrote to memory of 2824	2780	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	33
PID 2780 wrote to memory of 2824	2780	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	33
PID 2780 wrote to memory of 2824	2780	dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:824
- C:\Users\Admin\AppData\Local\Temp\dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Users\Admin\AppData\Local\Temp\dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dc4a53a61e55064647ede6ff07b3bd6d_JaffaCakes118.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 196
      4⤵
      Program crash
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/824-18-0x0000000002770000-0x00000000027D7000-memory.dmp

Filesize
412KB

Download
memory/824-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/824-16-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2408-37-0x0000000000430000-0x0000000000497000-memory.dmp

Filesize
412KB

Download
memory/2408-39-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2408-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2408-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2408-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2408-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2408-23-0x00000000025D0000-0x0000000002637000-memory.dmp

Filesize
412KB

Download
memory/2408-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2408-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-33-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-30-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-26-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-32-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-34-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-24-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-36-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2780-21-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads