metasploit | 6f60c1872136ce5bbb5c67353fb9e077e8c49e9702f5c500a42d5daa35bf7bd8

General

Target

f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
Size

152KB
MD5

f0b19a88a8a6838b81f1cd3037173b4e
SHA1

cfcc808ddeb5e5d493ec1ddefeb412fd50a8a0df
SHA256

6f60c1872136ce5bbb5c67353fb9e077e8c49e9702f5c500a42d5daa35bf7bd8
SHA512

b6c942e395b6f1fb5c189a8206c4b32b3b1c0dd53eae3d448e1f8e6035db860b6f3b684a53c2865e93c760a3a051059d97caafa33ad480b0456620e0d03af4bd
SSDEEP

3072:ghK36YyE1qSP/A93GfM/Hj/axxX0SBr0qZXDj:SYfmGxXb0qV3

Score

10^/10

metasploit backdoor discovery persistence trojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Adds policy Run key to start application 2 TTPs 2 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	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Users\\Admin\\AppData\\Roaming\\crssc.exe"	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1648	crssc.exe
2780	crssc.exe

Loads dropped DLL 2 IoCs

pid	Process
3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.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\Microsoft Driver Setup = "C:\\Users\\Admin\\AppData\\Roaming\\crssc.exe"	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 468 set thread context of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 1648 set thread context of 2780	1648	crssc.exe	32

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\logfile32.txt	crssc.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	crssc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crssc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
2780	crssc.exe
2780	crssc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
Token: SeDebugPrivilege	2780	crssc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
1648	crssc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 468 wrote to memory of 3068	468	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1648	3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	31
PID 3068 wrote to memory of 1648	3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	31
PID 3068 wrote to memory of 1648	3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	31
PID 3068 wrote to memory of 1648	3068	f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32
PID 1648 wrote to memory of 2780	1648	crssc.exe	32

C:\Users\Admin\AppData\Local\Temp\f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:468
- C:\Users\Admin\AppData\Local\Temp\f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f0b19a88a8a6838b81f1cd3037173b4e_JaffaCakes118.exe
  2⤵
  - Adds policy Run key to start application
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Users\Admin\AppData\Roaming\crssc.exe
    "C:\Users\Admin\AppData\Roaming\crssc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1648
  - - C:\Users\Admin\AppData\Roaming\crssc.exe
      C:\Users\Admin\AppData\Roaming\crssc.exe
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

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

\Users\Admin\AppData\Roaming\crssc.exe

Filesize
152KB

MD5
f0b19a88a8a6838b81f1cd3037173b4e

SHA1
cfcc808ddeb5e5d493ec1ddefeb412fd50a8a0df

SHA256
6f60c1872136ce5bbb5c67353fb9e077e8c49e9702f5c500a42d5daa35bf7bd8

SHA512
b6c942e395b6f1fb5c189a8206c4b32b3b1c0dd53eae3d448e1f8e6035db860b6f3b684a53c2865e93c760a3a051059d97caafa33ad480b0456620e0d03af4bd

Download Submit
memory/2780-32-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-41-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-31-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-40-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-26-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-28-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-29-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-30-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-39-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-38-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-34-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-33-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-35-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-36-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2780-37-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3068-5-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3068-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3068-4-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3068-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads