metasploit | f39ba67a2c44d2ab80263caa35036b7b2b5d8ff378e1c813de1f92e76df954e8

Analysis

max time kernel
142s
max time network
142s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 10:25

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General

Target

f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
Size

155KB
MD5

f3921766d38aad57d9796606a1af637a
SHA1

ec5153dc667c97830dab4ad98a2d6f3318669b95
SHA256

f39ba67a2c44d2ab80263caa35036b7b2b5d8ff378e1c813de1f92e76df954e8
SHA512

85cfd202a71ddf79cb7e5aa18873470db16515a5f265f0cb49f6c214e3733add5689bae4a65921694ae13308cbed6f7cc4a724657d56532b7dc3f1e2d1dd2166
SSDEEP

3072:2w1mIgMRQG6pO0TVAwMomXdKDf7vT4CiZ2kx:2wC+AWFN8vT41Z2k

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
Metasploit family
metasploit

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\sysmngsr322.exe"	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
2220	sysmngsr322.exe
2836	sysmngsr322.exe
3008	sysmngsr322.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\Microsoft Driver Setup = "C:\\Windows\\sysmngsr322.exe"	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2200 set thread context of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 set thread context of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2220 set thread context of 2836	2220	sysmngsr322.exe	34
PID 2220 set thread context of 3008	2220	sysmngsr322.exe	35

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\log32.txt	sysmngsr322.exe
File created	C:\Windows\sysmngsr322.exe	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
File opened for modification	C:\Windows\sysmngsr322.exe	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2228	2372	WerFault.exe	31
2692	3008	WerFault.exe	35

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	sysmngsr322.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmngsr322.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmngsr322.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1688	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
1688	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 1688	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	30
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2372	2200	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2228	2372	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2228	2372	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2228	2372	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2228	2372	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	32
PID 1688 wrote to memory of 2220	1688	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	33
PID 1688 wrote to memory of 2220	1688	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	33
PID 1688 wrote to memory of 2220	1688	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	33
PID 1688 wrote to memory of 2220	1688	f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe	33
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 2836	2220	sysmngsr322.exe	34
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 2220 wrote to memory of 3008	2220	sysmngsr322.exe	35
PID 3008 wrote to memory of 2692	3008	sysmngsr322.exe	36
PID 3008 wrote to memory of 2692	3008	sysmngsr322.exe	36
PID 3008 wrote to memory of 2692	3008	sysmngsr322.exe	36
PID 3008 wrote to memory of 2692	3008	sysmngsr322.exe	36

C:\Users\Admin\AppData\Local\Temp\f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\sysmngsr322.exe
    "C:\Windows\sysmngsr322.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2220
  - - C:\Windows\sysmngsr322.exe
      "C:\Windows\sysmngsr322.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:2836
  - - C:\Windows\sysmngsr322.exe
      "C:\Windows\sysmngsr322.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3008
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 44
        5⤵
        Program crash
        
        PID:2692
- C:\Users\Admin\AppData\Local\Temp\f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f3921766d38aad57d9796606a1af637a_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 44
    3⤵
    - Program crash
    PID:2228

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\sysmngsr322.exe

Filesize
155KB

MD5
f3921766d38aad57d9796606a1af637a

SHA1
ec5153dc667c97830dab4ad98a2d6f3318669b95

SHA256
f39ba67a2c44d2ab80263caa35036b7b2b5d8ff378e1c813de1f92e76df954e8

SHA512
85cfd202a71ddf79cb7e5aa18873470db16515a5f265f0cb49f6c214e3733add5689bae4a65921694ae13308cbed6f7cc4a724657d56532b7dc3f1e2d1dd2166

Download Submit
memory/1688-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1688-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-41-0x0000000000560000-0x000000000058F000-memory.dmp

Filesize
188KB

Download
memory/1688-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-2-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2200-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2200-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2200-1-0x0000000000230000-0x000000000025F000-memory.dmp

Filesize
188KB

Download
memory/2220-43-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2220-83-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-17-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2372-21-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2372-27-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2372-32-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2372-24-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2372-19-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download