5a00d6f468e02f8c267e713afb157c58cbf1e9cd32db7f8723ec148663c225e4

General

Target

63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
Size

88KB
MD5

63623f925d63a400ebf84fd5722fa73e
SHA1

8da91204b0940633d31df941f9c5a1d707f669d8
SHA256

5a00d6f468e02f8c267e713afb157c58cbf1e9cd32db7f8723ec148663c225e4
SHA512

76772529b5df3ba498e023896a1ccb623106c3c191498015293bc946e773c098274d49c9083418799af6c55f0fad9a5a8d0a04f3d47cb191b362cc4766724adc
SSDEEP

1536:RCcT79F9ZYyi/yp31ocAgYpG6Iv2NyxQAGsTmol0s:5TP3JnNAj6v2sTxl0s

Score

10^/10

bootkit evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\HD-H83DF-384922-KO\msngrnem.exe = "C:\\Users\\Public\\HD-H83DF-384922-KO\\msngrnem.exe:*:Enabled:Windows Messenger v11"	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2580	msngrnem.exe
2212	msngrnem.exe

Loads dropped DLL 3 IoCs

pid	Process
3056	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
3056	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
2580	msngrnem.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Messenger v11 = "C:\\Users\\Public\\HD-H83DF-384922-KO\\msngrnem.exe"	63623f925d63a400ebf84fd5722fa73e_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	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	msngrnem.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 2580 set thread context of 2212	2580	msngrnem.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
2580	msngrnem.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3032 wrote to memory of 3056	3032	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	30
PID 3056 wrote to memory of 2580	3056	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	31
PID 3056 wrote to memory of 2580	3056	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	31
PID 3056 wrote to memory of 2580	3056	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	31
PID 3056 wrote to memory of 2580	3056	63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe	31
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32
PID 2580 wrote to memory of 2212	2580	msngrnem.exe	32

C:\Users\Admin\AppData\Local\Temp\63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\63623f925d63a400ebf84fd5722fa73e_JaffaCakes118.exe"
  2⤵
  - Modifies firewall policy service
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Users\Public\HD-H83DF-384922-KO\msngrnem.exe
    "C:\Users\Public\HD-H83DF-384922-KO\msngrnem.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Writes to the Master Boot Record (MBR)
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2580
  - - C:\Users\Public\HD-H83DF-384922-KO\msngrnem.exe
      "C:\Users\Public\HD-H83DF-384922-KO\msngrnem.exe"
      4⤵
      Executes dropped EXE
      PID:2212

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Pre-OS Boot

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Public\HD-H83DF-384922-KO\msngrnem.exe

Filesize
88KB

MD5
63623f925d63a400ebf84fd5722fa73e

SHA1
8da91204b0940633d31df941f9c5a1d707f669d8

SHA256
5a00d6f468e02f8c267e713afb157c58cbf1e9cd32db7f8723ec148663c225e4

SHA512
76772529b5df3ba498e023896a1ccb623106c3c191498015293bc946e773c098274d49c9083418799af6c55f0fad9a5a8d0a04f3d47cb191b362cc4766724adc

Download Submit
memory/2212-46-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2212-49-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3056-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-2-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads