metasploit | f4c4915e8f93f4c55e33e5cdc43e7d057cbb1bec3467792fe0c7680a0670d038

General

Target

b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
Size

81KB
MD5

b687ab566d7d7b41a25d7b4d5396e573
SHA1

9b2e0c12ea7c13fc2daa99032208a4ae2e6525e4
SHA256

f4c4915e8f93f4c55e33e5cdc43e7d057cbb1bec3467792fe0c7680a0670d038
SHA512

edaedbc77ab7a3ba5d330d13637d00ce7294e70004a7b92071dbd4695e9d7a85685bc54302829be74e869d792c59880143c2040fe51aee293423d6c1161aca13
SSDEEP

1536:7PU/+Y4JTZ8btj/UbN0AIaQyqnVu1A7W3f/NYr4XRJAv4hNzVWfGIG5lqgc:4iTZ8bRsbSASRnVuy7adfhVhNpWfG6g

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:\\Windows\\expaende.exe"	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4924	expaende.exe
3440	expaende.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:\\Windows\\expaende.exe"	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 736 set thread context of 4652	736	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	88
PID 4924 set thread context of 3440	4924	expaende.exe	94

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\expaende.exe	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
File opened for modification	C:\Windows\expaende.exe	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
File created	C:\Windows\log32.txt	expaende.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	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	expaende.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	expaende.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 4652	736	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	88
PID 736 wrote to memory of 4652	736	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	88
PID 736 wrote to memory of 4652	736	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	88
PID 736 wrote to memory of 4652	736	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	88
PID 736 wrote to memory of 4652	736	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	88
PID 4652 wrote to memory of 4924	4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	89
PID 4652 wrote to memory of 4924	4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	89
PID 4652 wrote to memory of 4924	4652	b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe	89
PID 4924 wrote to memory of 3440	4924	expaende.exe	94
PID 4924 wrote to memory of 3440	4924	expaende.exe	94
PID 4924 wrote to memory of 3440	4924	expaende.exe	94
PID 4924 wrote to memory of 3440	4924	expaende.exe	94
PID 4924 wrote to memory of 3440	4924	expaende.exe	94

C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Windows\expaende.exe
    "C:\Windows\expaende.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4924
  - - C:\Windows\expaende.exe
      "C:\Windows\expaende.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:3440

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:\Windows\expaende.exe

Filesize
81KB

MD5
b687ab566d7d7b41a25d7b4d5396e573

SHA1
9b2e0c12ea7c13fc2daa99032208a4ae2e6525e4

SHA256
f4c4915e8f93f4c55e33e5cdc43e7d057cbb1bec3467792fe0c7680a0670d038

SHA512
edaedbc77ab7a3ba5d330d13637d00ce7294e70004a7b92071dbd4695e9d7a85685bc54302829be74e869d792c59880143c2040fe51aee293423d6c1161aca13

Download Submit
memory/736-1-0x0000000000400000-0x0000000000B6E000-memory.dmp

Filesize
7.4MB

Download
memory/736-0-0x0000000000400000-0x0000000000B6E000-memory.dmp

Filesize
7.4MB

Download
memory/3440-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-19-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-22-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-25-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4652-10-0x0000000000400000-0x0000000000B6E000-memory.dmp

Filesize
7.4MB

Download
memory/4652-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4652-2-0x0000000000400000-0x0000000000B6E000-memory.dmp

Filesize
7.4MB

Download
memory/4924-8-0x0000000000400000-0x0000000000B6E000-memory.dmp

Filesize
7.4MB

Download
memory/4924-13-0x0000000000400000-0x0000000000B6E000-memory.dmp

Filesize
7.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads