0d1c347b0bfa09d4eaa8d95f11444176f65c75132d59d8846e96d68fe305b8ba

General

Target

aff2398c963555b73aee301139f43507_JaffaCakes118.exe
Size

40KB
MD5

aff2398c963555b73aee301139f43507
SHA1

d31303d6a0c68a2b321f8b318161fd5aed103fa8
SHA256

0d1c347b0bfa09d4eaa8d95f11444176f65c75132d59d8846e96d68fe305b8ba
SHA512

b4ebce3e127f6bd01e729242df0dfcf0f66796541752886536d91a863c64fe366efa11b336902f91f2b571490ad2f948889415e3d5fd6f5fd7e0705c1eca64ec
SSDEEP

768:oHW3a0bZcxJe9yN+lewLr7jxB7h1+hPiIg:GWq0dcx09yNmtfxBFCqIg

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	aff2398c963555b73aee301139f43507_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	aff2398c963555b73aee301139f43507_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	aff2398c963555b73aee301139f43507_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\HEX-5823-6893-6818\jutched.exe = "C:\\Users\\Public\\HEX-5823-6893-6818\\jutched.exe:*:Enabled:Java Update Manager"	aff2398c963555b73aee301139f43507_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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	aff2398c963555b73aee301139f43507_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
400	jutched.exe
1168	jutched.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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java Update Manager = "C:\\Users\\Public\\HEX-5823-6893-6818\\jutched.exe"	aff2398c963555b73aee301139f43507_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winrtsnr.txt	jutched.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4452 set thread context of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 400 set thread context of 1168	400	jutched.exe	93

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

System Information Discovery
T1082

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	aff2398c963555b73aee301139f43507_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aff2398c963555b73aee301139f43507_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jutched.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jutched.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	aff2398c963555b73aee301139f43507_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4452 wrote to memory of 4356	4452	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	88
PID 4356 wrote to memory of 400	4356	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	92
PID 4356 wrote to memory of 400	4356	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	92
PID 4356 wrote to memory of 400	4356	aff2398c963555b73aee301139f43507_JaffaCakes118.exe	92
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93
PID 400 wrote to memory of 1168	400	jutched.exe	93

C:\Users\Admin\AppData\Local\Temp\aff2398c963555b73aee301139f43507_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aff2398c963555b73aee301139f43507_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Users\Admin\AppData\Local\Temp\aff2398c963555b73aee301139f43507_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\aff2398c963555b73aee301139f43507_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:4356
- - C:\Users\Public\HEX-5823-6893-6818\jutched.exe
    "C:\Users\Public\HEX-5823-6893-6818\jutched.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:400
  - - C:\Users\Public\HEX-5823-6893-6818\jutched.exe
      "C:\Users\Public\HEX-5823-6893-6818\jutched.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      PID:1168

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\Public\HEX-5823-6893-6818\jutched.exe

Filesize
40KB

MD5
aff2398c963555b73aee301139f43507

SHA1
d31303d6a0c68a2b321f8b318161fd5aed103fa8

SHA256
0d1c347b0bfa09d4eaa8d95f11444176f65c75132d59d8846e96d68fe305b8ba

SHA512
b4ebce3e127f6bd01e729242df0dfcf0f66796541752886536d91a863c64fe366efa11b336902f91f2b571490ad2f948889415e3d5fd6f5fd7e0705c1eca64ec

Download Submit
memory/400-40-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/1168-41-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1168-42-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1168-44-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4356-1-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4356-2-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4356-4-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4452-0-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/4452-3-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads