metasploit | c4b428c3aefff6101034705dac8a1c9efaf1479406ceec00d4161e6d6045db37

General

Target

d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
Size

95KB
MD5

d9a86d5ecf83835d45174e9fb0a3bd5f
SHA1

ebca1be4feb150cac39059ff505a343bc24204ce
SHA256

c4b428c3aefff6101034705dac8a1c9efaf1479406ceec00d4161e6d6045db37
SHA512

d6bfd684f544f3943760b7541a3cbb99362f76c72c667c7f8d59d9eaede2cff75ace0a374387c2e9af5e0eb1c4bdc3065952a19843d092d6e72088929db0572e
SSDEEP

1536:IviqZoQNDW5SGOGqsqMPuQP4AYPdi6YUtFtFb3KuNTjniZeZnBLleI3SoTZx2781:IHosS5SsG5c4lVi6DFHDVNyZgVltDD2O

Score

10^/10

metasploit backdoor discovery persistence trojan upx

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
232	AdobeARM.exe
2092	AdobeARM.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1384-0-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/1384-3-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/1384-4-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/1384-5-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/1384-13-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/2092-18-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/2092-21-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/2092-19-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/2092-22-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/2092-23-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral2/memory/2092-24-0x0000000000400000-0x000000000048D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 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\patches = "1"	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARM = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARM.exe"	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeARM = "\\AdobeARM.exe"	AdobeARM.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARM = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARM.exe"	AdobeARM.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1200 set thread context of 1384	1200	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	89
PID 232 set thread context of 2092	232	AdobeARM.exe	94

Program crash 2 IoCs

pid	pid_target	Process	procid_target
100	1200	WerFault.exe	82
468	232	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 3 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	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeARM.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1384	1200	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	89
PID 1200 wrote to memory of 1384	1200	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	89
PID 1200 wrote to memory of 1384	1200	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	89
PID 1200 wrote to memory of 1384	1200	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	89
PID 1200 wrote to memory of 1384	1200	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	89
PID 1384 wrote to memory of 232	1384	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	90
PID 1384 wrote to memory of 232	1384	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	90
PID 1384 wrote to memory of 232	1384	d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe	90
PID 232 wrote to memory of 2092	232	AdobeARM.exe	94
PID 232 wrote to memory of 2092	232	AdobeARM.exe	94
PID 232 wrote to memory of 2092	232	AdobeARM.exe	94
PID 232 wrote to memory of 2092	232	AdobeARM.exe	94
PID 232 wrote to memory of 2092	232	AdobeARM.exe	94

C:\Users\Admin\AppData\Local\Temp\d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 284
  2⤵
  - Program crash
  PID:100
- C:\Users\Admin\AppData\Local\Temp\d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Users\Admin\AppData\Roaming\AdobeARM.exe
    C:\Users\Admin\AppData\Roaming\AdobeARM.exe 908 "C:\Users\Admin\AppData\Local\Temp\d9a86d5ecf83835d45174e9fb0a3bd5f_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 280
      4⤵
      Program crash
      PID:468
  - - C:\Users\Admin\AppData\Roaming\AdobeARM.exe
      "C:\Users\Admin\AppData\Roaming\AdobeARM.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:2092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 1200 -ip 1200
1⤵
PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 232 -ip 232
1⤵
PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

1

T1112

Credential Access

Discovery

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\Roaming\AdobeARM.exe

Filesize
95KB

MD5
d9a86d5ecf83835d45174e9fb0a3bd5f

SHA1
ebca1be4feb150cac39059ff505a343bc24204ce

SHA256
c4b428c3aefff6101034705dac8a1c9efaf1479406ceec00d4161e6d6045db37

SHA512
d6bfd684f544f3943760b7541a3cbb99362f76c72c667c7f8d59d9eaede2cff75ace0a374387c2e9af5e0eb1c4bdc3065952a19843d092d6e72088929db0572e

Download Submit
memory/232-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1200-2-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1384-4-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1384-5-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1384-0-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1384-13-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1384-3-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2092-18-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2092-21-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2092-19-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2092-22-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2092-23-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2092-24-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads