05153be9b6c6009ccb3d8b3ee2f0904f905c04ea348e1fbf6d1e1b2b20d0313d

General

Target

f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe
Size

52KB
MD5

f65a5bb8fb4ae8de53661b12e3a1cbda
SHA1

5d978c499997fb81b874bdc6d564bddec54cb878
SHA256

05153be9b6c6009ccb3d8b3ee2f0904f905c04ea348e1fbf6d1e1b2b20d0313d
SHA512

5b232ce3595cbce5cee6af5645fa7332f30fb6aeb0fa28f8af4f73af6fe8ce9bbd0a8fd2570216137d99f3150c7c802cbd09fc0b3477a28489888e086b79161e
SSDEEP

768:+91eAdyjckHmN6suKUeXTt4v7EF34laouH/hUYj+dTQKvEvWBoLpMDb5Yf3uFjRZ:eyqCKRXTCslcbO23Vfa

Score

10^/10

discovery evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2864	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	ld15.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sysldtray = "c:\\windows\\ld15.exe"	ld15.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ld15.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\dxxdv34567.bat	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe
File opened for modification	\??\c:\windows\ld15.exe	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe
File created	\??\c:\windows\ld15.exe	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe

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	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ld15.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2684	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	31
PID 2920 wrote to memory of 2684	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	31
PID 2920 wrote to memory of 2684	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	31
PID 2920 wrote to memory of 2684	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	31
PID 2920 wrote to memory of 2864	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	32
PID 2920 wrote to memory of 2864	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	32
PID 2920 wrote to memory of 2864	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	32
PID 2920 wrote to memory of 2864	2920	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe	32

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f65a5bb8fb4ae8de53661b12e3a1cbda_JaffaCakes118.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2920
- \??\c:\windows\ld15.exe
  c:\windows\ld15.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\dxxdv34567.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2864

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\dxxdv34567.bat

Filesize
277B

MD5
cd19fb19efe35074c45042c71c31246e

SHA1
edaac52bd67c9c8ebd89f3fa566469d664b546d4

SHA256
05ca6c9e84f14f5fe6e787a05495e82e52b6506ba32900fbf47750ca8212274f

SHA512
4241bbe5015aa78ef8bd2231dce9140efb155f2210e8f41b8a31061514f9270ea62590a7984072efdc3ca2351aaf169a7ca5121ead2d87ae3c39328e78815dba

Download Submit
C:\Windows\ld15.exe

Filesize
52KB

MD5
f65a5bb8fb4ae8de53661b12e3a1cbda

SHA1
5d978c499997fb81b874bdc6d564bddec54cb878

SHA256
05153be9b6c6009ccb3d8b3ee2f0904f905c04ea348e1fbf6d1e1b2b20d0313d

SHA512
5b232ce3595cbce5cee6af5645fa7332f30fb6aeb0fa28f8af4f73af6fe8ce9bbd0a8fd2570216137d99f3150c7c802cbd09fc0b3477a28489888e086b79161e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads