metasploit | 855915b5b89fe495545ba2be7809ed506e20eba31447576207b78c5a580ad944

General

Target

e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
Size

152KB
MD5

e3c2ba03316368208c1a924b4312443c
SHA1

59287c758bb70d570eb8a47ba9b3b83d4f670628
SHA256

855915b5b89fe495545ba2be7809ed506e20eba31447576207b78c5a580ad944
SHA512

c3a8e1fb341cf99837f0663414c40f7eaba5fafa9911bc38c08f98ea438a7657454eb27211ea9346698c3ffbe0493243d89abb2204ab9a2751a7fe35f8bb68cc
SSDEEP

3072:ehK36YyE1qSP/A93GfM/Hj/axxX0SBr0qZXDj:kYfmGxXb0qV3

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	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Users\\Admin\\AppData\\Roaming\\crssc.exe"	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1496	crssc.exe
640	crssc.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"	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3208 set thread context of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 1496 set thread context of 640	1496	crssc.exe	86

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	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crssc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crssc.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
640	crssc.exe
640	crssc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
Token: SeDebugPrivilege	640	crssc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
1496	crssc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3208 wrote to memory of 3044	3208	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	84
PID 3044 wrote to memory of 1496	3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	85
PID 3044 wrote to memory of 1496	3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	85
PID 3044 wrote to memory of 1496	3044	e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe	85
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86
PID 1496 wrote to memory of 640	1496	crssc.exe	86

C:\Users\Admin\AppData\Local\Temp\e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Local\Temp\e3c2ba03316368208c1a924b4312443c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e3c2ba03316368208c1a924b4312443c_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:3044
- - 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:1496
  - - 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:640

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\crssc.exe

Filesize
152KB

MD5
e3c2ba03316368208c1a924b4312443c

SHA1
59287c758bb70d570eb8a47ba9b3b83d4f670628

SHA256
855915b5b89fe495545ba2be7809ed506e20eba31447576207b78c5a580ad944

SHA512
c3a8e1fb341cf99837f0663414c40f7eaba5fafa9911bc38c08f98ea438a7657454eb27211ea9346698c3ffbe0493243d89abb2204ab9a2751a7fe35f8bb68cc

Download Submit
memory/640-29-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-40-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-28-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-39-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-38-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-37-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-23-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-36-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-25-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-30-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-35-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-34-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-27-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-31-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-32-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-33-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1496-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3044-5-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3044-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3044-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3044-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3208-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3208-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads