0a87fa34fb2315d82731b1ee00e0f2a550b913ee199e8facb29a6120511a628f

General

Target

71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
Size

77KB
MD5

71b1f0eeb64b621ce42b9114245b6568
SHA1

1bff4cf0ad6b16eb3a8470b5e42efc6475ee6cbf
SHA256

0a87fa34fb2315d82731b1ee00e0f2a550b913ee199e8facb29a6120511a628f
SHA512

6d1eeaacc64aa26519d6301be85a39bc0a37f6ab0f083aafa53513e95d3b725bd3658e2e8e8c6b5b98ec0905d1ef610714b34e530f81bfe27f901c2ebc79c677
SSDEEP

1536:h4Cj21eXzXRRLefTjRDfZZTZG8RJPKyaoSoSNdZIpJ0u/Q4/0a:hK1ezItDvdjPKyajokuXdMa

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 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	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\S-2535-6853-2745\winrsvn.exe = "C:\\Users\\Public\\S-2535-6853-2745\\winrsvn.exe:*:Enabled:Windows Boot Control"	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
552	winrsvn.exe
1096	winrsvn.exe

Loads dropped DLL 2 IoCs

pid	Process
3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
552	winrsvn.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-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Boot Control = "C:\\Users\\Public\\S-2535-6853-2745\\winrsvn.exe"	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3884 set thread context of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 552 set thread context of 1096	552	winrsvn.exe	92

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3636	3884	WerFault.exe	82
2088	552	WerFault.exe	90

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	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winrsvn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winrsvn.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
552	winrsvn.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5024	3884	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	84
PID 5024 wrote to memory of 552	5024	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	90
PID 5024 wrote to memory of 552	5024	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	90
PID 5024 wrote to memory of 552	5024	71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe	90
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92
PID 552 wrote to memory of 1096	552	winrsvn.exe	92

C:\Users\Admin\AppData\Local\Temp\71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Users\Admin\AppData\Local\Temp\71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\71b1f0eeb64b621ce42b9114245b6568_JaffaCakes118.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Users\Public\S-2535-6853-2745\winrsvn.exe
    "C:\Users\Public\S-2535-6853-2745\winrsvn.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:552
  - - C:\Users\Public\S-2535-6853-2745\winrsvn.exe
      "C:\Users\Public\S-2535-6853-2745\winrsvn.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 588
      4⤵
      Program crash
      PID:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 584
  2⤵
  - Program crash
  PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3884 -ip 3884
1⤵
PID:1384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 552 -ip 552
1⤵
PID:1020

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

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

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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:\Users\Admin\AppData\Local\Temp\lihgLKdI1d.log

Filesize
10KB

MD5
8c35f2cce4bbc1433b394b03d63b049f

SHA1
5ffb62edcaa630d2cc9d3c186a9e37e23921e8fa

SHA256
3b91b98de32c74292d0109ca538a46a7d7093f8d88076a686fcecd93f3f124d0

SHA512
ad6bc2331101bffa26676540afbeec4bb803e2ebb11af76ccf43b940d62fe4c9317179e51d57c64bd56ba21be9f8512d3b98092766c522f7e4a0ca091feb0315

Download Submit
C:\Users\Public\S-2535-6853-2745\winrsvn.exe

Filesize
77KB

MD5
71b1f0eeb64b621ce42b9114245b6568

SHA1
1bff4cf0ad6b16eb3a8470b5e42efc6475ee6cbf

SHA256
0a87fa34fb2315d82731b1ee00e0f2a550b913ee199e8facb29a6120511a628f

SHA512
6d1eeaacc64aa26519d6301be85a39bc0a37f6ab0f083aafa53513e95d3b725bd3658e2e8e8c6b5b98ec0905d1ef610714b34e530f81bfe27f901c2ebc79c677

Download Submit
memory/552-120-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1096-128-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1096-129-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1096-127-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3884-20-0x00000000022B0000-0x00000000022C0000-memory.dmp

Filesize
64KB

Download
memory/3884-22-0x00000000022B0000-0x00000000022C0000-memory.dmp

Filesize
64KB

Download
memory/3884-21-0x00000000022B0000-0x00000000022C0000-memory.dmp

Filesize
64KB

Download
memory/3884-30-0x00000000022B0000-0x00000000022C0000-memory.dmp

Filesize
64KB

Download
memory/3884-32-0x00000000022B0000-0x00000000022C0000-memory.dmp

Filesize
64KB

Download
memory/3884-31-0x00000000022B0000-0x00000000022C0000-memory.dmp

Filesize
64KB

Download
memory/5024-26-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5024-34-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5024-33-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads