metasploit | c4b4d848893fcf731316946f23b905fd34cd536c6e1122ba93c191867e4e483f

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
22/06/2024, 01:27

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General

Target
00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
Size 144KB
Sample240622-bvb52s1bka
SHA256 c4b4d848893fcf731316946f23b905fd34cd536c6e1122ba93c191867e4e483f
MD5 00a4a70b6abaeba228035c12c797dce7
SHA1 502753b3fcfae427ca7ad2c835bf6eb2d9b391a4
SHA512 141333ee3248218857c5855e01c013d474600159fe97e35da1f3795545c834f7ea8d8049c091551293a8d43156af141fc812e6b0b520446444403f39dbb6314e
SSDEEP 3072:nqTDdQMhmrZglHmsKxaBFOIzvRq24J39sfw1CPEpGjotaHHcR4WMeGOHEon4NWt+:to/KnLw/74y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metasploit backdoor bootkit 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 2 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-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	msnmsgrs.exe

Executes dropped EXE 2 IoCs

pid	Process
1068	msnmsgrs.exe
2320	msnmsgrs.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 Date Serivces = "msnmsgrs.exe"	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	msnmsgrs.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1576 set thread context of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1068 set thread context of 2320	1068	msnmsgrs.exe	94

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\msnmsgrs.exe	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
File opened for modification	C:\Windows\msnmsgrs.exe	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
1068	msnmsgrs.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 1576 wrote to memory of 2128	1576	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	88
PID 2128 wrote to memory of 4240	2128	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	89
PID 2128 wrote to memory of 4240	2128	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	89
PID 2128 wrote to memory of 4240	2128	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	89
PID 2128 wrote to memory of 1068	2128	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	91
PID 2128 wrote to memory of 1068	2128	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	91
PID 2128 wrote to memory of 1068	2128	00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe	91
PID 4240 wrote to memory of 2288	4240	cmd.exe	92
PID 4240 wrote to memory of 2288	4240	cmd.exe	92
PID 4240 wrote to memory of 2288	4240	cmd.exe	92
PID 2288 wrote to memory of 3420	2288	net.exe	93
PID 2288 wrote to memory of 3420	2288	net.exe	93
PID 2288 wrote to memory of 3420	2288	net.exe	93
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 1068 wrote to memory of 2320	1068	msnmsgrs.exe	94
PID 2320 wrote to memory of 3864	2320	msnmsgrs.exe	95
PID 2320 wrote to memory of 3864	2320	msnmsgrs.exe	95
PID 2320 wrote to memory of 3864	2320	msnmsgrs.exe	95
PID 3864 wrote to memory of 2616	3864	cmd.exe	97
PID 3864 wrote to memory of 2616	3864	cmd.exe	97
PID 3864 wrote to memory of 2616	3864	cmd.exe	97
PID 2616 wrote to memory of 1496	2616	net.exe	98
PID 2616 wrote to memory of 1496	2616	net.exe	98
PID 2616 wrote to memory of 1496	2616	net.exe	98

C:\Users\Admin\AppData\Local\Temp\00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\AppData\Local\Temp\00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\00a4a70b6abaeba228035c12c797dce7_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\x.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4240
  - - C:\Windows\SysWOW64\net.exe
      net stop "Security Center"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2288
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        
        PID:3420
- - C:\Windows\msnmsgrs.exe
    "C:\Windows\msnmsgrs.exe"
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1068
  - - C:\Windows\msnmsgrs.exe
      "C:\Windows\msnmsgrs.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2320
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\x.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3864
      - C:\Windows\SysWOW64\net.exe
        
        net stop "Security Center"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2616
        
        C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        7⤵
        
        PID:1496

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

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msnmsgrs.exe

Path C:\Windows\msnmsgrs.exe
Size 144KB
SHA256 c4b4d848893fcf731316946f23b905fd34cd536c6e1122ba93c191867e4e483f
MD5 00a4a70b6abaeba228035c12c797dce7
SHA1 502753b3fcfae427ca7ad2c835bf6eb2d9b391a4
SHA512 141333ee3248218857c5855e01c013d474600159fe97e35da1f3795545c834f7ea8d8049c091551293a8d43156af141fc812e6b0b520446444403f39dbb6314e
SSDEEP 3072:nqTDdQMhmrZglHmsKxaBFOIzvRq24J39sfw1CPEpGjotaHHcR4WMeGOHEon4NWt+:to/KnLw/74y
MD5 SHA1 SHA512 SSDEEP

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x.bat

Path C:\x.bat
Size 53B
SHA256 b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9
MD5 e6ed7be2b9572503f07663ca6e53759f
SHA1 7ad80bd38f2a27e06c111b551c76ad0a0585c194
SHA512 e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227
MD5 SHA1 SHA512

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memory/2128-2-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2128-4-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2128-5-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2128-18-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-27-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-29-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-32-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-36-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-39-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-41-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/2320-42-0x0000000000400000-0x0000000000458000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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