metasploit | cc355b38337412c3e3c0269dcd4c9211fd3d89893479380143a9e135be445cbb

Analysis

max time kernel
143s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/09/2024, 11:29

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General

Target

f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
Size

523KB
MD5

f84639b1a82e588933fefaf668225dfc
SHA1

e74f65e5b1a461f4cf785f2de51f2b55da19ea07
SHA256

cc355b38337412c3e3c0269dcd4c9211fd3d89893479380143a9e135be445cbb
SHA512

fa598f258f0c85bca7f1ded374798f1a47612e2ad5c7647f978f06e1a8a4ccebc9e4d9ee02807c33a9abe3d2fc51bd30fc9708a9757c466e9bf6eb9bb034fd9b
SSDEEP

12288:IuQR86TZUJgushyTe3Chl9rxdk0ERno19p2N5188AUmxpXu3TdYZZZZZZZ:IuQfTZUJgushh3Cn9ldUY9Qr18TxETOB

Score

10^/10

metasploit backdoor discovery evasion 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

Executes dropped EXE 10 IoCs

pid	Process
2768	csrs.exe
2524	csrs.exe
1944	csrs.exe
2452	csrs.exe
2296	csrs.exe
2600	csrs.exe
1968	csrs.exe
2864	csrs.exe
2656	csrs.exe
2156	csrs.exe

Identifies Wine through registry keys 2 TTPs 11 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	csrs.exe

Loads dropped DLL 20 IoCs

pid	Process
2720	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
2720	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
2768	csrs.exe
2768	csrs.exe
2524	csrs.exe
2524	csrs.exe
1944	csrs.exe
1944	csrs.exe
2452	csrs.exe
2452	csrs.exe
2296	csrs.exe
2296	csrs.exe
2600	csrs.exe
2600	csrs.exe
1968	csrs.exe
1968	csrs.exe
2864	csrs.exe
2864	csrs.exe
2656	csrs.exe
2656	csrs.exe

Drops file in System32 directory 22 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File created	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	csrs.exe
File opened for modification	C:\Windows\SysWOW64\csrs.exe	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 11 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	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrs.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2768	2720	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe	29
PID 2720 wrote to memory of 2768	2720	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe	29
PID 2720 wrote to memory of 2768	2720	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe	29
PID 2720 wrote to memory of 2768	2720	f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe	29
PID 2768 wrote to memory of 2524	2768	csrs.exe	30
PID 2768 wrote to memory of 2524	2768	csrs.exe	30
PID 2768 wrote to memory of 2524	2768	csrs.exe	30
PID 2768 wrote to memory of 2524	2768	csrs.exe	30
PID 2524 wrote to memory of 1944	2524	csrs.exe	31
PID 2524 wrote to memory of 1944	2524	csrs.exe	31
PID 2524 wrote to memory of 1944	2524	csrs.exe	31
PID 2524 wrote to memory of 1944	2524	csrs.exe	31
PID 1944 wrote to memory of 2452	1944	csrs.exe	32
PID 1944 wrote to memory of 2452	1944	csrs.exe	32
PID 1944 wrote to memory of 2452	1944	csrs.exe	32
PID 1944 wrote to memory of 2452	1944	csrs.exe	32
PID 2452 wrote to memory of 2296	2452	csrs.exe	33
PID 2452 wrote to memory of 2296	2452	csrs.exe	33
PID 2452 wrote to memory of 2296	2452	csrs.exe	33
PID 2452 wrote to memory of 2296	2452	csrs.exe	33
PID 2296 wrote to memory of 2600	2296	csrs.exe	34
PID 2296 wrote to memory of 2600	2296	csrs.exe	34
PID 2296 wrote to memory of 2600	2296	csrs.exe	34
PID 2296 wrote to memory of 2600	2296	csrs.exe	34
PID 2600 wrote to memory of 1968	2600	csrs.exe	35
PID 2600 wrote to memory of 1968	2600	csrs.exe	35
PID 2600 wrote to memory of 1968	2600	csrs.exe	35
PID 2600 wrote to memory of 1968	2600	csrs.exe	35
PID 1968 wrote to memory of 2864	1968	csrs.exe	36
PID 1968 wrote to memory of 2864	1968	csrs.exe	36
PID 1968 wrote to memory of 2864	1968	csrs.exe	36
PID 1968 wrote to memory of 2864	1968	csrs.exe	36
PID 2864 wrote to memory of 2656	2864	csrs.exe	37
PID 2864 wrote to memory of 2656	2864	csrs.exe	37
PID 2864 wrote to memory of 2656	2864	csrs.exe	37
PID 2864 wrote to memory of 2656	2864	csrs.exe	37
PID 2656 wrote to memory of 2156	2656	csrs.exe	38
PID 2656 wrote to memory of 2156	2656	csrs.exe	38
PID 2656 wrote to memory of 2156	2656	csrs.exe	38
PID 2656 wrote to memory of 2156	2656	csrs.exe	38

C:\Users\Admin\AppData\Local\Temp\f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\csrs.exe
  C:\Windows\system32\csrs.exe 652 "C:\Users\Admin\AppData\Local\Temp\f84639b1a82e588933fefaf668225dfc_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\csrs.exe
    C:\Windows\system32\csrs.exe 688 "C:\Windows\SysWOW64\csrs.exe"
    3⤵
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2524
  - - C:\Windows\SysWOW64\csrs.exe
      C:\Windows\system32\csrs.exe 692 "C:\Windows\SysWOW64\csrs.exe"
      4⤵
      Executes dropped EXE
      Identifies Wine through registry keys
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1944
    - - C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 696 "C:\Windows\SysWOW64\csrs.exe"
        5⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2452
      - C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 700 "C:\Windows\SysWOW64\csrs.exe"
        6⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2296
        
        C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 708 "C:\Windows\SysWOW64\csrs.exe"
        7⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2600
        
        C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 712 "C:\Windows\SysWOW64\csrs.exe"
        8⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1968
        
        C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 716 "C:\Windows\SysWOW64\csrs.exe"
        9⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2864
        
        C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 720 "C:\Windows\SysWOW64\csrs.exe"
        10⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2656
        
        C:\Windows\SysWOW64\csrs.exe
        
        C:\Windows\system32\csrs.exe 724 "C:\Windows\SysWOW64\csrs.exe"
        11⤵
        Executes dropped EXE
        Identifies Wine through registry keys
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        
        PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\csrs.exe

Filesize
523KB

MD5
f84639b1a82e588933fefaf668225dfc

SHA1
e74f65e5b1a461f4cf785f2de51f2b55da19ea07

SHA256
cc355b38337412c3e3c0269dcd4c9211fd3d89893479380143a9e135be445cbb

SHA512
fa598f258f0c85bca7f1ded374798f1a47612e2ad5c7647f978f06e1a8a4ccebc9e4d9ee02807c33a9abe3d2fc51bd30fc9708a9757c466e9bf6eb9bb034fd9b

Download Submit
memory/1944-44-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-53-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-50-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-49-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-48-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-41-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-47-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-46-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-45-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1944-43-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1968-77-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1968-78-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/1968-83-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2296-69-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2296-64-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2452-55-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2452-63-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2452-58-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2452-57-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-30-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-33-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-32-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-34-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-35-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-36-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2524-40-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2600-71-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2600-68-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2600-76-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2600-70-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2656-97-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2656-91-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2656-92-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2720-2-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2720-4-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2720-15-0x0000000004890000-0x0000000004A68000-memory.dmp

Filesize
1.8MB

Download
memory/2720-1-0x0000000000401000-0x000000000042A000-memory.dmp

Filesize
164KB

Download
memory/2720-3-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2720-8-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2720-0-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-22-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-31-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-23-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-29-0x0000000004820000-0x00000000049F8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-26-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-20-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-17-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-24-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2768-19-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2864-84-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2864-85-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/2864-90-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads