1b809e273c3007fa38b2aa1a5c1883bbc2cb26061ef12c1294e254cd54291f65

General

Target

a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Size

338KB
MD5

a0f5e34d9bbd6e6382bfdb669fe97a75
SHA1

03e61019d529414ed98a4ea810acdd1baa589cbf
SHA256

1b809e273c3007fa38b2aa1a5c1883bbc2cb26061ef12c1294e254cd54291f65
SHA512

d672f991d31074326b1e02fc657c8e22fef896fd9dd6e9b055c7ac43211244e2a247d24b1b8a0ec8e20d15533f7c19d7c1155fd32eadc837c35df0d787c2f0ae
SSDEEP

6144:8K8lXS4por1HzGE0ihKmBxAqmhC9WObfYNR3J5z7JJWD/ceOhfrZvpW:8K8lXS4por1HzGE0iMmB+qEC9FYn3J5z

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\USER\S-1-5-21-940600906-3464502421-4240639183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Esent Utl = "C:\\Windows\\System32\\drivers\\esentutl.exe /waitservice"	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Esent Utl = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\esentutl.exe /waitservice"	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\esentutl.exe	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	cmstp.exe

Loads dropped DLL 2 IoCs

pid	Process
2120	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
2120	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System\sessmgr.exe	cmstp.exe
File opened for modification	C:\Windows\System\sessmgr.exe	cmstp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\CmSTP = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\cmstp.exe /waitservice"	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2492	2120	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2492	2120	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2492	2120	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2492	2120	a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0f5e34d9bbd6e6382bfdb669fe97a75_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Drivers directory
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Roaming\cmstp.exe
  C:\Users\Admin\AppData\Roaming\cmstp.exe /waitservice
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2492

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\MICROS~1\esentutl.exe

Filesize
338KB

MD5
a0f5e34d9bbd6e6382bfdb669fe97a75

SHA1
03e61019d529414ed98a4ea810acdd1baa589cbf

SHA256
1b809e273c3007fa38b2aa1a5c1883bbc2cb26061ef12c1294e254cd54291f65

SHA512
d672f991d31074326b1e02fc657c8e22fef896fd9dd6e9b055c7ac43211244e2a247d24b1b8a0ec8e20d15533f7c19d7c1155fd32eadc837c35df0d787c2f0ae

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads