bcc9f3b23502d14308829e3dd66b727eaa16b8bd7d1b283b939b7fa64cd79a2e

General

Target

05ba325491f00e0240e6f318b148d04e_JaffaCakes118.dll
Size

236KB
MD5

05ba325491f00e0240e6f318b148d04e
SHA1

4b12c1ee19f27a09e505f18be6a5bf613477c45a
SHA256

bcc9f3b23502d14308829e3dd66b727eaa16b8bd7d1b283b939b7fa64cd79a2e
SHA512

911f12cae3130c779c24daaaaf7e67be2bb1b76910d68b3c56bb86d2f6f5b199f5000722de7b75df9206214beabe46a2802a0bdfcbe751fd239dbcb744113ef9
SSDEEP

3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkIj:+Qj9U3jwO3rt5o

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\gscpa = "{4e2feb93-c6a7-1bfc-d7b8-c6a7631b37b2}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2760	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\tfpcn.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\tfpcn.dll	rundll32.exe
File created	C:\Windows\SysWOW64\bnxkv.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\bnxkv.dll	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 registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4e2feb93-c6a7-1bfc-d7b8-c6a7631b37b2}\InprocServer32\ = "C:\\Windows\\SysWow64\\bnxkv.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4e2feb93-c6a7-1bfc-d7b8-c6a7631b37b2}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4e2feb93-c6a7-1bfc-d7b8-c6a7631b37b2}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4e2feb93-c6a7-1bfc-d7b8-c6a7631b37b2}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4e2feb93-c6a7-1bfc-d7b8-c6a7631b37b2}\InprocServer32	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	rundll32.exe
2760	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2760	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31
PID 2692 wrote to memory of 2760	2692	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05ba325491f00e0240e6f318b148d04e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\05ba325491f00e0240e6f318b148d04e_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2760

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

\Windows\SysWOW64\tfpcn.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
memory/2760-0-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/2760-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2760-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2760-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2760-12-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/2760-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads