477dff5aa00b7265bef41c758066f82aef602ba8cd372141bb598166c01bb2b2

General

Target

745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
Size

136KB
MD5

745a7a6c8b8bc9b6e10935c3fd31db95
SHA1

2007ef79c3b956fa067102806c6ae9ad5f68f1ec
SHA256

477dff5aa00b7265bef41c758066f82aef602ba8cd372141bb598166c01bb2b2
SHA512

570fbca287fced0ccf231aa470fe7ccc952fc9307e6ecb81adce7a7679cb7e820d69e0d648430b49639137f256ff9606b2e76df6d0a2a6bbbedc25af989a0dac
SSDEEP

3072:p2YMS8wER7PaQtPkTgBEU+G9Me2kmvxtEqdLuhxFbO79gM:3ER7PasPkTgBEzG9Me2kmvcXQ7

Score

8^/10

bootkit discovery evasion persistence

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistrytools = "1"	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4812	livemessenger.exe
1488	livemessenger.exe

Adds Run key to start application 2 TTPs 2 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\Microsoft Update = "livemessenger.exe"	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft Update = "livemessenger.exe"	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 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	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	livemessenger.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3960 set thread context of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 4812 set thread context of 1488	4812	livemessenger.exe	86

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\livemessenger.exe	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
File opened for modification	C:\Windows\livemessenger.exe	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
File created	C:\Windows\admintxt.txt	livemessenger.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	livemessenger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	livemessenger.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
4812	livemessenger.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 3960 wrote to memory of 4660	3960	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	84
PID 4660 wrote to memory of 4812	4660	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	85
PID 4660 wrote to memory of 4812	4660	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	85
PID 4660 wrote to memory of 4812	4660	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe	85
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86
PID 4812 wrote to memory of 1488	4812	livemessenger.exe	86

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistrytools = "1"	745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe"
1⤵
- 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:3960
- C:\Users\Admin\AppData\Local\Temp\745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\745a7a6c8b8bc9b6e10935c3fd31db95_JaffaCakes118.exe"
  2⤵
  - Disables RegEdit via registry modification
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4660
- - C:\Windows\livemessenger.exe
    "C:\Windows\livemessenger.exe"
    3⤵
    - Executes dropped EXE
    - 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:4812
  - - C:\Windows\livemessenger.exe
      "C:\Windows\livemessenger.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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

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Downloads

C:\Windows\livemessenger.exe

Filesize
136KB

MD5
745a7a6c8b8bc9b6e10935c3fd31db95

SHA1
2007ef79c3b956fa067102806c6ae9ad5f68f1ec

SHA256
477dff5aa00b7265bef41c758066f82aef602ba8cd372141bb598166c01bb2b2

SHA512
570fbca287fced0ccf231aa470fe7ccc952fc9307e6ecb81adce7a7679cb7e820d69e0d648430b49639137f256ff9606b2e76df6d0a2a6bbbedc25af989a0dac

Download Submit
memory/1488-24-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-35-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-17-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-18-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-23-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-33-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-32-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-28-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-30-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1488-31-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4660-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4660-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4660-19-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4660-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads