metasploit | 77900796878747b9d2b8bc94df1bb3c3e00324c79756297758087c85d510ec7d

General

Target

8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
Size

204KB
MD5

8639abc370f8ad58845083672679deb3
SHA1

32b7d9e6af622479cc348e24c35e0177bd6cca60
SHA256

77900796878747b9d2b8bc94df1bb3c3e00324c79756297758087c85d510ec7d
SHA512

43f331e464e517713e2dd5f4b944d7686ff0a6196a3d997cf438a2a9a91dcaf41d58f3d1b8faf0d46dbddde44be512cd4d130c5252f0a1c864a32d8f8e08b049
SSDEEP

3072:7KA4b44AdKpFPWT12yQTKk+HFEPtN3F3H0Ehry4DzoXWTJtEoRO/:+A4b44AApFuT8yQTKkmEVbVyNXWTAoc

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe"	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4808	lsass.exe
920	lsass.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\\lsass.exe"	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 4808 set thread context of 920	4808	lsass.exe	89

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\logfile32.txt	lsass.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	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
920	lsass.exe
920	lsass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
Token: SeDebugPrivilege	920	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
4808	lsass.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 1836 wrote to memory of 2280	1836	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	87
PID 2280 wrote to memory of 4808	2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	88
PID 2280 wrote to memory of 4808	2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	88
PID 2280 wrote to memory of 4808	2280	8639abc370f8ad58845083672679deb3_JaffaCakes118.exe	88
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89
PID 4808 wrote to memory of 920	4808	lsass.exe	89

C:\Users\Admin\AppData\Local\Temp\8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8639abc370f8ad58845083672679deb3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\AppData\Local\Temp\8639abc370f8ad58845083672679deb3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8639abc370f8ad58845083672679deb3_JaffaCakes118.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Users\Admin\AppData\Roaming\lsass.exe
    "C:\Users\Admin\AppData\Roaming\lsass.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4808
  - - C:\Users\Admin\AppData\Roaming\lsass.exe
      "C:\Users\Admin\AppData\Roaming\lsass.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:920

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

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Downloads

C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
204KB

MD5
8639abc370f8ad58845083672679deb3

SHA1
32b7d9e6af622479cc348e24c35e0177bd6cca60

SHA256
77900796878747b9d2b8bc94df1bb3c3e00324c79756297758087c85d510ec7d

SHA512
43f331e464e517713e2dd5f4b944d7686ff0a6196a3d997cf438a2a9a91dcaf41d58f3d1b8faf0d46dbddde44be512cd4d130c5252f0a1c864a32d8f8e08b049

Download Submit
memory/920-25-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-31-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-27-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-28-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-21-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-22-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-26-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-37-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-36-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-35-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-29-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-30-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/920-33-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2280-5-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2280-4-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2280-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2280-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads