c8dd70fce0f38a2a4e131fb137eaf271f6ca1816a801e36141e691f4f21b3159

General

Target

82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Size

93KB
MD5

82c50f4081cd3790d1ade5dd99c9f52b
SHA1

3f6a1f00e280cda2d5c230b446a54adc7e822d9a
SHA256

c8dd70fce0f38a2a4e131fb137eaf271f6ca1816a801e36141e691f4f21b3159
SHA512

23db8dfc0a7c3165b0c25d099a010f5c739aa67f89e77f6f63a01eb9b186a5c55a5dae6827d3c08b88808d92904b1c316c545e23d3af7b5d0fce47ae4f78907a
SSDEEP

1536:dWW0MRMx1rR9y6xVxXzMAnZIL5yY7bAWfL+hZ4Tc5L:dWW0SMx199y6xDDMYcpnj+oTc5L

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\rsvp = "C:\\Users\\Admin\\AppData\\Roaming\\rsvp.exe /waitservice"	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Cisvc = "C:\\Windows\\cisvc.exe /waitservice"	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\rsvp.exe	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\drivers\rsvp.exe	rsvp.exe

Executes dropped EXE 1 IoCs

pid	Process
1776	rsvp.exe

Loads dropped DLL 2 IoCs

pid	Process
1484	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
1484	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\cisvc.exe	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rsvp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\SessMgr = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\sessmgr.exe /waitservice"	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 1776	1484	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe	30
PID 1484 wrote to memory of 1776	1484	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe	30
PID 1484 wrote to memory of 1776	1484	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe	30
PID 1484 wrote to memory of 1776	1484	82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82c50f4081cd3790d1ade5dd99c9f52b_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Drivers directory
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\drivers\rsvp.exe
  C:\Windows\System32\drivers\rsvp.exe /waitservice
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1776

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\MICROS~1\sessmgr.exe

Filesize
93KB

MD5
82c50f4081cd3790d1ade5dd99c9f52b

SHA1
3f6a1f00e280cda2d5c230b446a54adc7e822d9a

SHA256
c8dd70fce0f38a2a4e131fb137eaf271f6ca1816a801e36141e691f4f21b3159

SHA512
23db8dfc0a7c3165b0c25d099a010f5c739aa67f89e77f6f63a01eb9b186a5c55a5dae6827d3c08b88808d92904b1c316c545e23d3af7b5d0fce47ae4f78907a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads