metasploit | d819bda110e3afa9682e7f9b741571b3015c8818e340cf01132ca632717ab178

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220414-en
submitted
01-06-2022 15:41

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General

Target

KmsRNyL4oQ.exe
Size

6.4MB
MD5

d9170f66194db0d9f605edd0dc6c69ca
SHA1

063d5e6a67d18698baa3654a3e7771a3b1a03203
SHA256

d819bda110e3afa9682e7f9b741571b3015c8818e340cf01132ca632717ab178
SHA512

dd5622bd69f55e78ecd6c9d5e36c9972d6c773a3a3a7f8d6a958cf81869df776cc771a750dbdb98fd393ca3cf380ddd272c645c507fac5b3335e43908d5e5002

Score

10^/10

metasploit backdoor trojan

Malware Config

Extracted

Family

metasploit

Version

metasploit_stager

0.0.0.0:0

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

KmsRNyL4oQ.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	KmsRNyL4oQ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	KmsRNyL4oQ.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1148 1440 WerFault.exe KmsRNyL4oQ.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

KmsRNyL4oQ.exe

pid process

1440 KmsRNyL4oQ.exe
1440 KmsRNyL4oQ.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

KmsRNyL4oQ.exe

description pid process

Token: SeDebugPrivilege 1440 KmsRNyL4oQ.exe

pid	pid_target	process	target process
1148	1440	WerFault.exe	KmsRNyL4oQ.exe

pid	process
1440	KmsRNyL4oQ.exe
1440	KmsRNyL4oQ.exe

description	pid	process
Token: SeDebugPrivilege	1440	KmsRNyL4oQ.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

KmsRNyL4oQ.exe

description	pid	process	target process
PID 1440 wrote to memory of 1148	1440	KmsRNyL4oQ.exe	WerFault.exe
PID 1440 wrote to memory of 1148	1440	KmsRNyL4oQ.exe	WerFault.exe
PID 1440 wrote to memory of 1148	1440	KmsRNyL4oQ.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\KmsRNyL4oQ.exe
"C:\Users\Admin\AppData\Local\Temp\KmsRNyL4oQ.exe"
1⤵
- Checks BIOS information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1440 -s 508
2⤵
- Program crash
PID:1148

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1148-54-0x0000000000000000-mapping.dmp

Download
memory/1440-55-0x000000013F3E0000-0x0000000140441000-memory.dmp

Filesize
16.4MB

Download
memory/1440-56-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download