metasploit | 03e8f353230d6a82db548edcfa30e3285bca4f38ecafdf7081227079651a70e4

General

Target

f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe
Size

46KB
MD5

f8eb6d8ed55bd6263f1a83b467db0875
SHA1

3a4a34dad8d50821b9b73b02995e84aa4385f3fa
SHA256

03e8f353230d6a82db548edcfa30e3285bca4f38ecafdf7081227079651a70e4
SHA512

3cf4279f7354b0c8db29cf8ab1b2d8a79e42cd7ea8118e2293a629ba5d0abb71c19b9b6d1dda8a1816c7f314d8d480e2bfd48ece933518b7167c9d7738f2a251
SSDEEP

768:V2D4HVnHQXNKaBXsB/PlhS8MfxIosEJ7S8I/RANfx6C86zVRo:HhBao3lQ8j07SdANr5K

Score

10^/10

metasploit backdoor discovery evasion 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

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\chahost = "C:\\Windows\\system32\\winost.exe"	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-6-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-8-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-7-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-9-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-10-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-11-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-12-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-13-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-14-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-15-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-16-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-17-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-18-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-19-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-20-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-21-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-22-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-23-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1284-24-0x0000000000400000-0x0000000000456000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\logfile32.txt	winost.exe
File opened for modification	C:\Windows\updated7.exe	winost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30
PID 1716 wrote to memory of 1284	1716	f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\winost.exe
  "C:\Users\Admin\AppData\Local\Temp\f8eb6d8ed55bd6263f1a83b467db0875_JaffaCakes118.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1284

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 Information Discovery

1

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

memory/1284-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-14-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-2-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1284-6-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-8-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-7-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-9-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-10-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-15-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-24-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-12-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-17-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-18-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-19-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-20-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-21-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-22-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1284-23-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1716-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads