metasploit | 7b39735eab37ce2c500e6d5c875741995688ccdfe94fdcf020d8ecf28bf5e749

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 02:09

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General

Target

f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe
Size

97KB
MD5

f753e71596e634cd0e7b2a8c4a4de154
SHA1

2bd42f05e910133a69a81bc789190a77b0010069
SHA256

7b39735eab37ce2c500e6d5c875741995688ccdfe94fdcf020d8ecf28bf5e749
SHA512

eace9d5c36316ae15333560c0dff5d12afde984665f19307ed20696f506226692520259a11740001703a9317519eda256829e1f0ff031aa408e227387a09f907
SSDEEP

1536:rvbeN7i4ri12Lstf4LS/p4Yc8p/5C5wown6g6Syu7TYWZKMoF:rSlfScLw4Ns/4OaTugXF

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
2520	YL.exe
2168	windows-krb.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 = "windows-krb.exe"	YL.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\windows-krb.exe	YL.exe
File opened for modification	C:\Windows\windows-krb.exe	YL.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 8 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows-krb.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2520	2124	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2520	2124	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2520	2124	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2520	2124	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1828	2520	YL.exe	31
PID 2520 wrote to memory of 1828	2520	YL.exe	31
PID 2520 wrote to memory of 1828	2520	YL.exe	31
PID 2520 wrote to memory of 1828	2520	YL.exe	31
PID 2520 wrote to memory of 2168	2520	YL.exe	32
PID 2520 wrote to memory of 2168	2520	YL.exe	32
PID 2520 wrote to memory of 2168	2520	YL.exe	32
PID 2520 wrote to memory of 2168	2520	YL.exe	32
PID 2168 wrote to memory of 2772	2168	windows-krb.exe	34
PID 2168 wrote to memory of 2772	2168	windows-krb.exe	34
PID 2168 wrote to memory of 2772	2168	windows-krb.exe	34
PID 2168 wrote to memory of 2772	2168	windows-krb.exe	34
PID 1828 wrote to memory of 2936	1828	cmd.exe	36
PID 1828 wrote to memory of 2936	1828	cmd.exe	36
PID 1828 wrote to memory of 2936	1828	cmd.exe	36
PID 1828 wrote to memory of 2936	1828	cmd.exe	36
PID 2772 wrote to memory of 2712	2772	cmd.exe	37
PID 2772 wrote to memory of 2712	2772	cmd.exe	37
PID 2772 wrote to memory of 2712	2772	cmd.exe	37
PID 2772 wrote to memory of 2712	2772	cmd.exe	37
PID 2936 wrote to memory of 2592	2936	net.exe	38
PID 2936 wrote to memory of 2592	2936	net.exe	38
PID 2936 wrote to memory of 2592	2936	net.exe	38
PID 2936 wrote to memory of 2592	2936	net.exe	38
PID 2712 wrote to memory of 2060	2712	net.exe	39
PID 2712 wrote to memory of 2060	2712	net.exe	39
PID 2712 wrote to memory of 2060	2712	net.exe	39
PID 2712 wrote to memory of 2060	2712	net.exe	39

C:\Users\Admin\AppData\Local\Temp\f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\YL.exe
  "C:\Users\Admin\AppData\Local\Temp\YL.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\x.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1828
  - - C:\Windows\SysWOW64\net.exe
      net stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2936
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2592
- - C:\Windows\windows-krb.exe
    "C:\Windows\windows-krb.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\x.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2772
    - - C:\Windows\SysWOW64\net.exe
        
        net stop "Security Center"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2712
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2060

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:\Users\Admin\AppData\Local\Temp\YL.exe

Filesize
65KB

MD5
e93f56960b4d284089aabf9bef7ed909

SHA1
ccd8774ff3737324343a934fd758e0136ac815d6

SHA256
d4d67f3c5cda0beb05d266e8a7125edb3bc98c17e8cb794c42eb66613aba06ff

SHA512
d009fd8784973002222a971d7463393601db5fb7e115b45b815fefe4e88e1502ef7707a1bcc440e3afee11b937f60de781e5e8a1c9c4fd2d129e6386dffa5f10

Download Submit
C:\x.bat

Filesize
53B

MD5
e6ed7be2b9572503f07663ca6e53759f

SHA1
7ad80bd38f2a27e06c111b551c76ad0a0585c194

SHA256
b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

SHA512
e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

Download Submit
memory/2124-0-0x000007FEF5BDE000-0x000007FEF5BDF000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/2124-2-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/2124-3-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download
memory/2124-19-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads