metasploit | fa60c7453f5760a0961c429ffba2f6da85a9babab44d81543f7dc5d601c2e23b

General

Target

c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe
Size

92KB
MD5

c1bf0dac217e92042230b3012e8a5c8a
SHA1

c5bd0a131f21f30a154bb13f68d7dcfbc5163ecf
SHA256

fa60c7453f5760a0961c429ffba2f6da85a9babab44d81543f7dc5d601c2e23b
SHA512

68f5461f3d6335672d17d745e50ad8d6ba76e4f03e4e35ba8213f2503e002ba1df86f8eedefa53584b4779660f6c2956282c17b2b7add788355f66f0758804d0
SSDEEP

1536:mSquE20GQV1KOrdcxj1PNYxa/alX426rS8u7kl2xCeotMWT1MW9I23:5kKOrSj1lPMXLkiCeoFMn23

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
3768	AdobeARMS.exe
1884	AdobeARMS.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1632-0-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1632-3-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1632-4-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1632-5-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1632-13-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1884-17-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1884-20-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1884-19-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1884-21-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/1884-22-0x0000000000400000-0x000000000048C000-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"	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARMS.exe"	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeARMS = "\\AdobeARMS.exe"	AdobeARMS.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARMS.exe"	AdobeARMS.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 392 set thread context of 1632	392	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	91
PID 3768 set thread context of 1884	3768	AdobeARMS.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1944	392	WerFault.exe	83
2224	3768	WerFault.exe	92

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	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeARMS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 1632	392	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	91
PID 392 wrote to memory of 1632	392	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	91
PID 392 wrote to memory of 1632	392	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	91
PID 392 wrote to memory of 1632	392	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	91
PID 392 wrote to memory of 1632	392	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	91
PID 1632 wrote to memory of 3768	1632	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	92
PID 1632 wrote to memory of 3768	1632	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	92
PID 1632 wrote to memory of 3768	1632	c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe	92
PID 3768 wrote to memory of 1884	3768	AdobeARMS.exe	95
PID 3768 wrote to memory of 1884	3768	AdobeARMS.exe	95
PID 3768 wrote to memory of 1884	3768	AdobeARMS.exe	95
PID 3768 wrote to memory of 1884	3768	AdobeARMS.exe	95
PID 3768 wrote to memory of 1884	3768	AdobeARMS.exe	95

C:\Users\Admin\AppData\Local\Temp\c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 284
  2⤵
  - Program crash
  PID:1944
- C:\Users\Admin\AppData\Local\Temp\c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Users\Admin\AppData\Roaming\AdobeARMS.exe
    C:\Users\Admin\AppData\Roaming\AdobeARMS.exe 908 "C:\Users\Admin\AppData\Local\Temp\c1bf0dac217e92042230b3012e8a5c8a_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3768
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 280
      4⤵
      Program crash
      PID:2224
  - - C:\Users\Admin\AppData\Roaming\AdobeARMS.exe
      "C:\Users\Admin\AppData\Roaming\AdobeARMS.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 392 -ip 392
1⤵
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3768 -ip 3768
1⤵
PID:3048

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\AdobeARMS.exe

Filesize
92KB

MD5
c1bf0dac217e92042230b3012e8a5c8a

SHA1
c5bd0a131f21f30a154bb13f68d7dcfbc5163ecf

SHA256
fa60c7453f5760a0961c429ffba2f6da85a9babab44d81543f7dc5d601c2e23b

SHA512
68f5461f3d6335672d17d745e50ad8d6ba76e4f03e4e35ba8213f2503e002ba1df86f8eedefa53584b4779660f6c2956282c17b2b7add788355f66f0758804d0

Download Submit
memory/392-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1632-13-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1632-4-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1632-5-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1632-3-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1632-0-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1884-17-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1884-20-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1884-19-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1884-21-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1884-22-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3768-18-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads