metasploit | e3d38fb1aac30b1a8385cea8a54baed3f4e91e24a2b9268788a88fc191852f87

General

Target

26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe
Size

92KB
MD5

26e33a11e1ffa408922c851e218c5de0
SHA1

a9e5aa65590d015009dc27889c79fab8f87ec4ca
SHA256

e3d38fb1aac30b1a8385cea8a54baed3f4e91e24a2b9268788a88fc191852f87
SHA512

6d3add5efc085bc85a7a80803a4fd2199546eb8cc885e0650352976645774d86373c476aa5bd3235924eb18060a4dcb4073b5ac4a169310dbf706e4226f6acee
SSDEEP

1536:iSquE20GQ1iScNzs3WspqWKlUNpchN2sqyNmIewqOhz93NvWv39rby8OBcvf:lCcNXJcNyhYXIBpJ35ih28XH

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
5060	AdobeARMS.exe
2896	AdobeARMS.exe

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\AdobeARMS = "\\AdobeARMS.exe"	AdobeARMS.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARMS.exe"	AdobeARMS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\patches = "1"	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARMS.exe"	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 620	2452	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	89
PID 5060 set thread context of 2896	5060	AdobeARMS.exe	93

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/620-0-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/620-3-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/620-4-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/620-5-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/620-11-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2896-16-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2896-18-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2896-19-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2896-20-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2896-21-0x0000000000400000-0x000000000048C000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
740	2452	WerFault.exe	82
856	5060	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	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeARMS.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 620	2452	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	89
PID 2452 wrote to memory of 620	2452	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	89
PID 2452 wrote to memory of 620	2452	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	89
PID 2452 wrote to memory of 620	2452	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	89
PID 2452 wrote to memory of 620	2452	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	89
PID 620 wrote to memory of 5060	620	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	90
PID 620 wrote to memory of 5060	620	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	90
PID 620 wrote to memory of 5060	620	26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe	90
PID 5060 wrote to memory of 2896	5060	AdobeARMS.exe	93
PID 5060 wrote to memory of 2896	5060	AdobeARMS.exe	93
PID 5060 wrote to memory of 2896	5060	AdobeARMS.exe	93
PID 5060 wrote to memory of 2896	5060	AdobeARMS.exe	93
PID 5060 wrote to memory of 2896	5060	AdobeARMS.exe	93

C:\Users\Admin\AppData\Local\Temp\26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 280
  2⤵
  - Program crash
  PID:740
- C:\Users\Admin\AppData\Local\Temp\26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Users\Admin\AppData\Roaming\AdobeARMS.exe
    C:\Users\Admin\AppData\Roaming\AdobeARMS.exe 908 "C:\Users\Admin\AppData\Local\Temp\26e33a11e1ffa408922c851e218c5de0_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 292
      4⤵
      Program crash
      PID:856
  - - 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:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2452 -ip 2452
1⤵
PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5060 -ip 5060
1⤵
PID:2652

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\AdobeARMS.exe

Filesize
92KB

MD5
26e33a11e1ffa408922c851e218c5de0

SHA1
a9e5aa65590d015009dc27889c79fab8f87ec4ca

SHA256
e3d38fb1aac30b1a8385cea8a54baed3f4e91e24a2b9268788a88fc191852f87

SHA512
6d3add5efc085bc85a7a80803a4fd2199546eb8cc885e0650352976645774d86373c476aa5bd3235924eb18060a4dcb4073b5ac4a169310dbf706e4226f6acee

Download Submit
memory/620-11-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/620-3-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/620-4-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/620-5-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/620-0-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2452-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2896-16-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2896-18-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2896-19-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2896-20-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2896-21-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/5060-17-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads