metasploit | 556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256

General

Target

556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe
Size

92KB
MD5

ede01640f43933596146c2016f478860
SHA1

4740460d73e323af84dadc02bf60494d0c948ac9
SHA256

556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256
SHA512

d8879eb36a38749579c966d64701c498a3e679c827b8d87ebeef53c6d6ca5eebed81935ef8e67a791647a02e7ccfd549938913d35bd9db8c48d001b5204f6831
SSDEEP

1536:iSquE20GQjz5bmDdlFeZzfdfl9H80u8TO3UfTqiktYIO2fU0AxwUWe3:l6bmDdlFefNl5TOkNktYItsXxG2

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
4492	AdobeARMS.exe
376	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-1-5-21-1194130065-3471212556-1656947724-1000\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"	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AdobeARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARMS.exe"	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4972 set thread context of 2748	4972	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	85
PID 4492 set thread context of 376	4492	AdobeARMS.exe	89

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2748-0-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2748-3-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2748-4-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2748-5-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/2748-13-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/376-18-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/376-19-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/376-20-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/376-21-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral2/memory/376-22-0x0000000000400000-0x000000000048C000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5096	4972	WerFault.exe	81
3556	4492	WerFault.exe	86

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	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeARMS.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 2748	4972	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	85
PID 4972 wrote to memory of 2748	4972	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	85
PID 4972 wrote to memory of 2748	4972	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	85
PID 4972 wrote to memory of 2748	4972	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	85
PID 4972 wrote to memory of 2748	4972	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	85
PID 2748 wrote to memory of 4492	2748	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	86
PID 2748 wrote to memory of 4492	2748	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	86
PID 2748 wrote to memory of 4492	2748	556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe	86
PID 4492 wrote to memory of 376	4492	AdobeARMS.exe	89
PID 4492 wrote to memory of 376	4492	AdobeARMS.exe	89
PID 4492 wrote to memory of 376	4492	AdobeARMS.exe	89
PID 4492 wrote to memory of 376	4492	AdobeARMS.exe	89
PID 4492 wrote to memory of 376	4492	AdobeARMS.exe	89

C:\Users\Admin\AppData\Local\Temp\556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe
"C:\Users\Admin\AppData\Local\Temp\556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 280
  2⤵
  - Program crash
  PID:5096
- C:\Users\Admin\AppData\Local\Temp\556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe
  "C:\Users\Admin\AppData\Local\Temp\556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Users\Admin\AppData\Roaming\AdobeARMS.exe
    C:\Users\Admin\AppData\Roaming\AdobeARMS.exe 908 "C:\Users\Admin\AppData\Local\Temp\556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256N.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 280
      4⤵
      Program crash
      PID:3556
  - - 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:376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4972 -ip 4972
1⤵
PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4492 -ip 4492
1⤵
PID:3596

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
ede01640f43933596146c2016f478860

SHA1
4740460d73e323af84dadc02bf60494d0c948ac9

SHA256
556903249f8976c10cdd69dd7e16f849b88a2db3d45f875eecd7080e7a3cd256

SHA512
d8879eb36a38749579c966d64701c498a3e679c827b8d87ebeef53c6d6ca5eebed81935ef8e67a791647a02e7ccfd549938913d35bd9db8c48d001b5204f6831

Download Submit
memory/376-18-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/376-22-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/376-21-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/376-20-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/376-19-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2748-4-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2748-13-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2748-5-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2748-0-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2748-3-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/4492-17-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4972-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads