4934153ddb6f0b2aa5a453c2127bbea2b12568b5887d338bdb280a97e80aad4e

General

Target

157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe
Size

140KB
MD5

157c3dac128d4e05e68453b1b39431a2
SHA1

da04ffa9fefef7f8391c5ae8a13c38890cdf96cd
SHA256

4934153ddb6f0b2aa5a453c2127bbea2b12568b5887d338bdb280a97e80aad4e
SHA512

74dc799e0087e71f72c9f6f7c7ffce6233e134385a44e793d3c729cc58ee36e4d542a6d55b317796f8c713892befe081ff53b90bfc2a9f3a45ac8ae5d5ab2821
SSDEEP

3072:tNNq0VaCTpnKn9dVczQ4Y5iL0fDIuyNCeAPFI4iTMIqY5l7L34:P4K9To/VczQ4mfDuNRAPGXTMIb5l7

Score

10^/10

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	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\P-7-78-8964-9648-3874\wincrs.exe = "C:\\Users\\Admin\\P-7-78-8964-9648-3874\\wincrs.exe:*:Enabled:Microsoft Windows System"	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	157c3dac128d4e05e68453b1b39431a2_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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1852	wincrs.exe
3816	wincrs.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-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows System = "C:\\Users\\Admin\\P-7-78-8964-9648-3874\\wincrs.exe"	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 60 set thread context of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 1852 set thread context of 3816	1852	wincrs.exe	96

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 60 wrote to memory of 5104	60	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	91
PID 5104 wrote to memory of 1852	5104	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	92
PID 5104 wrote to memory of 1852	5104	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	92
PID 5104 wrote to memory of 1852	5104	157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe	92
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96
PID 1852 wrote to memory of 3816	1852	wincrs.exe	96

C:\Users\Admin\AppData\Local\Temp\157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:60
- C:\Users\Admin\AppData\Local\Temp\157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\157c3dac128d4e05e68453b1b39431a2_JaffaCakes118.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5104
- - C:\Users\Admin\P-7-78-8964-9648-3874\wincrs.exe
    "C:\Users\Admin\P-7-78-8964-9648-3874\wincrs.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1852
  - - C:\Users\Admin\P-7-78-8964-9648-3874\wincrs.exe
      "C:\Users\Admin\P-7-78-8964-9648-3874\wincrs.exe"
      4⤵
      Executes dropped EXE
      PID:3816

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\P-7-78-8964-9648-3874\wincrs.exe

Filesize
140KB

MD5
157c3dac128d4e05e68453b1b39431a2

SHA1
da04ffa9fefef7f8391c5ae8a13c38890cdf96cd

SHA256
4934153ddb6f0b2aa5a453c2127bbea2b12568b5887d338bdb280a97e80aad4e

SHA512
74dc799e0087e71f72c9f6f7c7ffce6233e134385a44e793d3c729cc58ee36e4d542a6d55b317796f8c713892befe081ff53b90bfc2a9f3a45ac8ae5d5ab2821

Download Submit
memory/60-2-0x0000000002130000-0x0000000002138000-memory.dmp

Filesize
32KB

Download
memory/60-1-0x0000000002130000-0x0000000002138000-memory.dmp

Filesize
32KB

Download
memory/60-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/60-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1852-76-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1852-69-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1852-72-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/1852-71-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/3816-77-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3816-78-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5104-3-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5104-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5104-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads