0ebaf5c2ec13e55b281a86c31d8162e73ac5fd86e6b69654e6bf76ef9d95484c

General

Target

bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
Size

72KB
MD5

bf76dd3911dad9e23a75b4ceb24d563b
SHA1

580bea2b89d6df50012618f013fe23c0a9c83d75
SHA256

0ebaf5c2ec13e55b281a86c31d8162e73ac5fd86e6b69654e6bf76ef9d95484c
SHA512

30c1370e9559521b9d1543450ff8d94236e930fab96a2dc904509000733f4cb13c91c05e77483cf2d6d7a005a6683ee8b1544f4e41b347cfc1d41960aaed56af
SSDEEP

1536:mQDPszyOhJ0pDaId6cjkbnfLAVWN2WOPEdBtGe+O:Tkzx8YcInfMMNgEdz5

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	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\winsvcn.exe = "C:\\Users\\Public\\winsvcn.exe:*:Enabled:Windows System Guard"	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	bf76dd3911dad9e23a75b4ceb24d563b_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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1220	winsvcn.exe
1320	winsvcn.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\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows System Guard = "C:\\Users\\Public\\winsvcn.exe"	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows System Guard = "C:\\Users\\Public\\winsvcn.exe"	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3352 set thread context of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 1220 set thread context of 1320	1220	winsvcn.exe	89

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 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	winsvcn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 3352 wrote to memory of 1468	3352	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	84
PID 1468 wrote to memory of 1220	1468	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	88
PID 1468 wrote to memory of 1220	1468	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	88
PID 1468 wrote to memory of 1220	1468	bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe	88
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89
PID 1220 wrote to memory of 1320	1220	winsvcn.exe	89

C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_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:1468
- - C:\Users\Public\winsvcn.exe
    "C:\Users\Public\winsvcn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1220
  - - C:\Users\Public\winsvcn.exe
      "C:\Users\Public\winsvcn.exe"
      4⤵
      Executes dropped EXE
      PID:1320

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\winsvcn.exe

Filesize
72KB

MD5
bf76dd3911dad9e23a75b4ceb24d563b

SHA1
580bea2b89d6df50012618f013fe23c0a9c83d75

SHA256
0ebaf5c2ec13e55b281a86c31d8162e73ac5fd86e6b69654e6bf76ef9d95484c

SHA512
30c1370e9559521b9d1543450ff8d94236e930fab96a2dc904509000733f4cb13c91c05e77483cf2d6d7a005a6683ee8b1544f4e41b347cfc1d41960aaed56af

Download Submit
memory/1220-47-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1320-46-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1320-48-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1468-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1468-1-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1468-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1468-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1468-39-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3352-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads