metasploit | 14ba3ecb0c36a04be8f49edc9bec0bdc7d07056decebdf0298fd99534fcc91eb

General

Target

e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
Size

80KB
MD5

e4b41c63ce86fd1df6e2d88d2d27c055
SHA1

f68aec6f694b98590102d2d6ebf57d5177d9bf1d
SHA256

14ba3ecb0c36a04be8f49edc9bec0bdc7d07056decebdf0298fd99534fcc91eb
SHA512

8b49295b3fad77ea101986b5037ffed47a5b9586611cf5ffe4d1ec6f319ae5d8596600f8b9bd6fb6a31deb67177c30fb581f69e28b2551f524492dcf84ae215c
SSDEEP

1536:Hwhboay8bMecqi8Ejt3UB+Md7z3HALE5h7eUJAToTtNWKnbXtXI4ZG:Hwhzy8fhi8w2dHALE5hSlMzbX9NG

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	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\drivers\\Chvgrm.exe"	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe

Drops file in Drivers directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\Chvgrm.exe	Chvgrm.exe
File created	C:\Windows\SysWOW64\drivers\Chvgrm.exe	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\Chvgrm.exe	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\Chvgrm.exe	Chvgrm.exe

Executes dropped EXE 2 IoCs

pid	Process
5088	Chvgrm.exe
4844	Chvgrm.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\\system32\\drivers\\Chvgrm.exe"	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 3120	2652	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	84
PID 5088 set thread context of 4844	5088	Chvgrm.exe	88

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\logfile32.txt	Chvgrm.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	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Chvgrm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Chvgrm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 3120	2652	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	84
PID 2652 wrote to memory of 3120	2652	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	84
PID 2652 wrote to memory of 3120	2652	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	84
PID 2652 wrote to memory of 3120	2652	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	84
PID 2652 wrote to memory of 3120	2652	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	84
PID 3120 wrote to memory of 5088	3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	85
PID 3120 wrote to memory of 5088	3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	85
PID 3120 wrote to memory of 5088	3120	e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe	85
PID 5088 wrote to memory of 4844	5088	Chvgrm.exe	88
PID 5088 wrote to memory of 4844	5088	Chvgrm.exe	88
PID 5088 wrote to memory of 4844	5088	Chvgrm.exe	88
PID 5088 wrote to memory of 4844	5088	Chvgrm.exe	88
PID 5088 wrote to memory of 4844	5088	Chvgrm.exe	88

C:\Users\Admin\AppData\Local\Temp\e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e4b41c63ce86fd1df6e2d88d2d27c055_JaffaCakes118.exe"
  2⤵
  - Adds policy Run key to start application
  - Drops file in Drivers directory
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\SysWOW64\drivers\Chvgrm.exe
    "C:\Windows\system32\drivers\Chvgrm.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5088
  - - C:\Windows\SysWOW64\drivers\Chvgrm.exe
      "C:\Windows\SysWOW64\drivers\Chvgrm.exe"
      4⤵
      Drops file in Drivers directory
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:4844

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\SysWOW64\drivers\Chvgrm.exe

Filesize
80KB

MD5
e4b41c63ce86fd1df6e2d88d2d27c055

SHA1
f68aec6f694b98590102d2d6ebf57d5177d9bf1d

SHA256
14ba3ecb0c36a04be8f49edc9bec0bdc7d07056decebdf0298fd99534fcc91eb

SHA512
8b49295b3fad77ea101986b5037ffed47a5b9586611cf5ffe4d1ec6f319ae5d8596600f8b9bd6fb6a31deb67177c30fb581f69e28b2551f524492dcf84ae215c

Download Submit
memory/2652-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2652-5-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3120-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3120-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3120-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3120-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-24-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-28-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-21-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-25-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-27-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-20-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-29-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-30-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-31-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-32-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-33-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4844-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-19-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads