metasploit | 1f4b237250617906b5123ccdc45c7d43b8032e6d4f8cd3319841d3b194f8ddb2

General

Target

f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
Size

73KB
MD5

f263a1ad9bd2b07595f15e35ca17e5ac
SHA1

2b4543370b498a631095c4320330c58fd3129dcf
SHA256

1f4b237250617906b5123ccdc45c7d43b8032e6d4f8cd3319841d3b194f8ddb2
SHA512

0a89f0e3793bf944dcf3512706c0cc40b474a3ed11f507eefb18cbe3980588b1b5a9685cf8a8baf8a95a32c903425243b3ee88ea523daa1d497686cec9480a42
SSDEEP

1536:wPiVWnN2lvZYd1T6AQ3J4mbYkazDX68V1xu/bFoaICqArP:ET6Bf9abibFPICqAD

Score

10^/10

metasploit backdoor defense_evasion 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

Deletes itself 1 IoCs

pid	Process
984	msconfig.exe

Executes dropped EXE 2 IoCs

pid	Process
4788	msconfig.exe
984	msconfig.exe

Impair Defenses: Safe Mode Boot 1 TTPs 1 IoCs

defense_evasion

Safe Mode Boot

T1562.009

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\msconfigsvrc = "C:\\Windows\\system\\msconfig.exe"	f263a1ad9bd2b07595f15e35ca17e5ac_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\msconfigsvrc = "C:\\Windows\\system\\msconfig.exe"	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1052 set thread context of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 4788 set thread context of 984	4788	msconfig.exe	85

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\msconfig.exe	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
File created	C:\Windows\system\msconfig.exe	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.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	msconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msconfig.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
4788	msconfig.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 1052 wrote to memory of 4208	1052	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	83
PID 4208 wrote to memory of 4788	4208	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	84
PID 4208 wrote to memory of 4788	4208	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	84
PID 4208 wrote to memory of 4788	4208	f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe	84
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85
PID 4788 wrote to memory of 984	4788	msconfig.exe	85

C:\Users\Admin\AppData\Local\Temp\f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\f263a1ad9bd2b07595f15e35ca17e5ac_JaffaCakes118.exe
  2⤵
  - Impair Defenses: Safe Mode Boot
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4208
- - C:\Windows\system\msconfig.exe
    "C:\Windows\system\msconfig.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4788
  - - C:\Windows\system\msconfig.exe
      4⤵
      Deletes itself
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:984

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

Impair Defenses

1

T1562

Safe Mode Boot

Modify Registry

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\System\msconfig.exe

Filesize
73KB

MD5
f263a1ad9bd2b07595f15e35ca17e5ac

SHA1
2b4543370b498a631095c4320330c58fd3129dcf

SHA256
1f4b237250617906b5123ccdc45c7d43b8032e6d4f8cd3319841d3b194f8ddb2

SHA512
0a89f0e3793bf944dcf3512706c0cc40b474a3ed11f507eefb18cbe3980588b1b5a9685cf8a8baf8a95a32c903425243b3ee88ea523daa1d497686cec9480a42

Download Submit
memory/984-24-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-28-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-23-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-17-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-18-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-33-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-21-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-25-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-34-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-32-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-22-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-26-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-27-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-31-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-29-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/984-30-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4208-5-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4208-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4208-19-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4208-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads