metasploit | e455d831cd61395e72299761136903fda048bf1b2c31e485f78086a1e3793065

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16/09/2024, 04:52

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General

Target

e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe
Size

120KB
MD5

e40f628a6207516aad11623e6c8a04ff
SHA1

b49f3f28c09bfff68be2204d7b9deac34d87c3b4
SHA256

e455d831cd61395e72299761136903fda048bf1b2c31e485f78086a1e3793065
SHA512

f6142988310b77c78896e358fdcf708afc563696cae4a812d121048180abc201be615251ffc087b4e1d9b0ef3962ecd21070cfe7d4464f5d2cbde20f701a7786
SSDEEP

3072:ApnFjHocshZF6vnGt5VfkTooPtI0SDOKPr:0nzWF6GNkTtFItOCr

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

Executes dropped EXE 2 IoCs

pid	Process
2784	csrss.exe
2756	csrss.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\Windows Data Serivce = "csrss.exe"	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2784 set thread context of 2756	2784	csrss.exe	37

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\csrss.exe	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe
File opened for modification	C:\Windows\csrss.exe	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 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	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2124	2528	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	31
PID 2124 wrote to memory of 1244	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	32
PID 2124 wrote to memory of 1244	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	32
PID 2124 wrote to memory of 1244	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	32
PID 2124 wrote to memory of 1244	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	32
PID 2124 wrote to memory of 2784	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	34
PID 2124 wrote to memory of 2784	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	34
PID 2124 wrote to memory of 2784	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	34
PID 2124 wrote to memory of 2784	2124	e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe	34
PID 1244 wrote to memory of 2472	1244	cmd.exe	35
PID 1244 wrote to memory of 2472	1244	cmd.exe	35
PID 1244 wrote to memory of 2472	1244	cmd.exe	35
PID 1244 wrote to memory of 2472	1244	cmd.exe	35
PID 2472 wrote to memory of 2796	2472	net.exe	36
PID 2472 wrote to memory of 2796	2472	net.exe	36
PID 2472 wrote to memory of 2796	2472	net.exe	36
PID 2472 wrote to memory of 2796	2472	net.exe	36
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2784 wrote to memory of 2756	2784	csrss.exe	37
PID 2756 wrote to memory of 3012	2756	csrss.exe	38
PID 2756 wrote to memory of 3012	2756	csrss.exe	38
PID 2756 wrote to memory of 3012	2756	csrss.exe	38
PID 2756 wrote to memory of 3012	2756	csrss.exe	38
PID 3012 wrote to memory of 2740	3012	cmd.exe	40
PID 3012 wrote to memory of 2740	3012	cmd.exe	40
PID 3012 wrote to memory of 2740	3012	cmd.exe	40
PID 3012 wrote to memory of 2740	3012	cmd.exe	40
PID 2740 wrote to memory of 2656	2740	net.exe	41
PID 2740 wrote to memory of 2656	2740	net.exe	41
PID 2740 wrote to memory of 2656	2740	net.exe	41
PID 2740 wrote to memory of 2656	2740	net.exe	41

C:\Users\Admin\AppData\Local\Temp\e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\e40f628a6207516aad11623e6c8a04ff_JaffaCakes118.exe
  NULL
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\x.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1244
  - - C:\Windows\SysWOW64\net.exe
      net stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2472
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2796
- - C:\Windows\csrss.exe
    "C:\Windows\csrss.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\csrss.exe
      NULL
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2756
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\x.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3012
      - C:\Windows\SysWOW64\net.exe
        
        net stop "Security Center"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2740
        
        C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\csrss.exe

Filesize
120KB

MD5
e40f628a6207516aad11623e6c8a04ff

SHA1
b49f3f28c09bfff68be2204d7b9deac34d87c3b4

SHA256
e455d831cd61395e72299761136903fda048bf1b2c31e485f78086a1e3793065

SHA512
f6142988310b77c78896e358fdcf708afc563696cae4a812d121048180abc201be615251ffc087b4e1d9b0ef3962ecd21070cfe7d4464f5d2cbde20f701a7786

Download Submit
C:\x.bat

Filesize
53B

MD5
e6ed7be2b9572503f07663ca6e53759f

SHA1
7ad80bd38f2a27e06c111b551c76ad0a0585c194

SHA256
b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

SHA512
e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

Download Submit
memory/2124-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2124-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2124-2-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2124-20-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2756-35-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2756-37-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2756-40-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2756-43-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2756-46-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2756-48-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads