1992cea74edd1d2119f5f471f9bddff844563aaee006773f3d837bcf70f195ab

General

Target

dd721a46fbfa737dbae64002873dce7f_JaffaCakes118.dll
Size

825KB
MD5

dd721a46fbfa737dbae64002873dce7f
SHA1

99396d5407c491120a5eebe42b8d6f88744cb92f
SHA256

1992cea74edd1d2119f5f471f9bddff844563aaee006773f3d837bcf70f195ab
SHA512

6a7b386cab767dd6558c87c7cf22b4a3b6da52fd62aeae5887ecc79d75402576715b1b0e2404ad9c599046aa0b177c97a70147c5ebf9a2cc2f0ad679158868fe
SSDEEP

3072:a/o+O5t4BrBhhOObydBRTJd4RaogkW9vR6OatEBY6BXhZDDd29K85F:ZV5u6dsNgpQqhB0vF

Score

6^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\foaso64exe.dat,StartAs"	rundll32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\PROGRA~3\foaso64exe.dat	rundll32.exe
File opened for modification	C:\PROGRA~3\foaso64exe.dat	rundll32.exe
File created	C:\PROGRA~3\exe46osaof.dat	rundll32.exe
File opened for modification	C:\PROGRA~3\exe46osaof.dat	rundll32.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	rundll32.exe

Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	rundll32.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Internet Explorer\Main	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1284	rundll32.exe
1284	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 1284	3708	rundll32.exe	83
PID 3708 wrote to memory of 1284	3708	rundll32.exe	83
PID 3708 wrote to memory of 1284	3708	rundll32.exe	83
PID 1284 wrote to memory of 3404	1284	rundll32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3404
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd721a46fbfa737dbae64002873dce7f_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd721a46fbfa737dbae64002873dce7f_JaffaCakes118.dll,#1
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer Protected Mode
    - Modifies Internet Explorer Protected Mode Banner
    - Modifies Internet Explorer settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1284

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

4

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:\PROGRA~3\foaso64exe.dat

Filesize
1.3MB

MD5
c78eeca2d65bd419c0b03a185d5cdad2

SHA1
ca007e9c7640cc205ef5f0c42a35b21b57c101cd

SHA256
558b9fd3e56557700b1d29e064a4edae31dfb71d911c78a1f543189b787822b9

SHA512
c604dd0306433d4b9fbd48762533d6fc66b2858b3576fd5d3db78fb4214bba3452c2cd7d93017f1503df2d6960eeb645d13488e70db12b4da8cfc910e44ae219

Download Submit
memory/1284-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1284-1-0x0000000000403000-0x0000000000407000-memory.dmp

Filesize
16KB

Download
memory/1284-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1284-3-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1284-17-0x0000000000403000-0x0000000000407000-memory.dmp

Filesize
16KB

Download
memory/1284-18-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads