metasploit | 11e8fad4c252cdf7eb8e93154eb82449c8e4eb5caecae8009078b847e18bb638

General

Target

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
Size

124KB
MD5

8fa5bfa1accb59f16227077fc3ee2031
SHA1

01172977dfdbdbf4eddfb0c93ca13ba9d1285a1e
SHA256

11e8fad4c252cdf7eb8e93154eb82449c8e4eb5caecae8009078b847e18bb638
SHA512

b186012827b5a4da764a174504f78a663ae088b75d26bb2e645e222b4d343d73b1b876ae02b85ccd955b609ce29db2a7b52b4022bb020eaade42c128b51eee57
SSDEEP

1536:u/N/0LD8w/Mh3JWxZvB2tzsEw9NUFdJqx+zOX3LicrVIaGkzo61dmCGq:UckL1J2ZJqsDqdJqx+iOcrMkz7bm2

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
Metasploit family
metasploit

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\Zsprm.exe"	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

Zsprm.exeZsprm.exe

pid	Process
2576	Zsprm.exe
2496	Zsprm.exe

Loads dropped DLL 3 IoCs

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exeZsprm.exe

pid	Process
2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
2576	Zsprm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\Zsprm.exe"	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exeZsprm.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\Zsprm.exe	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Zsprm.exe	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Zsprm.exe	Zsprm.exe
File created	C:\Windows\SysWOW64\Zsprm.exe	Zsprm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2788 set thread context of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31

Drops file in Windows directory 1 IoCs

Processes:

Zsprm.exe

description	ioc	Process
File created	C:\Windows\logfile32.txt	Zsprm.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

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exeZsprm.exeZsprm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zsprm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zsprm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

pid	Process
2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exeZsprm.exe

pid	Process
2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
2576	Zsprm.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exeZsprm.exe

description	pid	Process	procid_target
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2844	2788	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2576	2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	32
PID 2844 wrote to memory of 2576	2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	32
PID 2844 wrote to memory of 2576	2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	32
PID 2844 wrote to memory of 2576	2844	8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe	32
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33
PID 2576 wrote to memory of 2496	2576	Zsprm.exe	33

C:\Users\Admin\AppData\Local\Temp\8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8fa5bfa1accb59f16227077fc3ee2031_JaffaCakes118.exe"
  2⤵
  - Adds policy Run key to start application
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\Zsprm.exe
    "C:\Windows\system32\Zsprm.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - C:\Windows\SysWOW64\Zsprm.exe
      "C:\Windows\SysWOW64\Zsprm.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:2496

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\Zsprm.exe

Filesize
124KB

MD5
8fa5bfa1accb59f16227077fc3ee2031

SHA1
01172977dfdbdbf4eddfb0c93ca13ba9d1285a1e

SHA256
11e8fad4c252cdf7eb8e93154eb82449c8e4eb5caecae8009078b847e18bb638

SHA512
b186012827b5a4da764a174504f78a663ae088b75d26bb2e645e222b4d343d73b1b876ae02b85ccd955b609ce29db2a7b52b4022bb020eaade42c128b51eee57

Download Submit
memory/2496-27-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-22-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-28-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-31-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-32-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-33-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2844-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2844-2-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2844-23-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2844-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads