metasploit | 8bda584b13deaa84c675aaec1625e02c0784a23ae00a55b3be7bead0d1459d71

General

Target

d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe
Size

113KB
MD5

d3cccef760b16a7e43adf4b21549de94
SHA1

844f9b7489578e74268fb66b7090ee9f9c24dc36
SHA256

8bda584b13deaa84c675aaec1625e02c0784a23ae00a55b3be7bead0d1459d71
SHA512

fcb736975e4177850e1458a0c88a74e758fa2ea2e4f1814111a481dc91df0f0b04b45e6bd6a109fd658f508091a199ef1c12e7eece18ddecea0cd407cc0d8689
SSDEEP

1536:GQ5+RW7xnn9v1zdQemrkGxyrTu9qe3i4MmgjEOXANQVrk0IzetC4H4bbqh+:4RW2gGxyrTu9qe3i4Mm4bk0IzecqM

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
2556	vbc.exe
1188	usbmngr.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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 = "usbmngr.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\usbmngr.exe	vbc.exe
File opened for modification	C:\Windows\usbmngr.exe	vbc.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 6 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	usbmngr.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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Runs net.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2796 wrote to memory of 2556	2796	d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe	83
PID 2556 wrote to memory of 1016	2556	vbc.exe	86
PID 2556 wrote to memory of 1016	2556	vbc.exe	86
PID 2556 wrote to memory of 1016	2556	vbc.exe	86
PID 2556 wrote to memory of 1188	2556	vbc.exe	87
PID 2556 wrote to memory of 1188	2556	vbc.exe	87
PID 2556 wrote to memory of 1188	2556	vbc.exe	87
PID 1016 wrote to memory of 1776	1016	cmd.exe	89
PID 1016 wrote to memory of 1776	1016	cmd.exe	89
PID 1016 wrote to memory of 1776	1016	cmd.exe	89
PID 1776 wrote to memory of 2356	1776	net.exe	90
PID 1776 wrote to memory of 2356	1776	net.exe	90
PID 1776 wrote to memory of 2356	1776	net.exe	90

C:\Users\Admin\AppData\Local\Temp\d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3cccef760b16a7e43adf4b21549de94_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Checks computer location settings
  - 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:2556
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\x.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1016
  - - C:\Windows\SysWOW64\net.exe
      net stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1776
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2356
- - C:\Windows\usbmngr.exe
    "C:\Windows\usbmngr.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\x.bat

Filesize
53B

MD5
e6ed7be2b9572503f07663ca6e53759f

SHA1
7ad80bd38f2a27e06c111b551c76ad0a0585c194

SHA256
b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

SHA512
e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

Download Submit
memory/2556-9-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2556-11-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2556-5-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2556-23-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2796-0-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/2796-1-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/2796-2-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/2796-18-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads