metasploit | c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971 | Triage

Analysis

max time kernel
334s
max time network
385s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 05:40

Sharing

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General

Target

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
Size

170KB
MD5

d5850e323653c6c6704df49be7df3fad
SHA1

611f51cbb7417c6f9f9769b8a6dea2639251321a
SHA256

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971
SHA512

e1ceefa5e60271415c5c47645ea69cb13bce810f3319a4478d1d862bcb2ca367b10e2a7a8315d5f925598d93bb902e6ae5b85e0c9ac3558f2a7e4a9666034830
SSDEEP

3072:Sz5iXfPGUYdmRaUS5+5lcXWiZX3AUPJS/JaGe5jaSshD9SyG9:SNQf+UYmRaUS5oOXwUPAJaGhphDxG9

Score

10^/10

metasploit backdoor 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

UPX packed file 4 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/2516-134-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2516-137-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2516-138-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2516-139-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

System Information Discovery

Processes:

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

Drops file in System32 directory 2 IoCs

Processes:

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
File opened for modification	C:\Windows\SysWOW64\wmpnd32.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

description	pid	process	target process
PID 5016 set thread context of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

pid	process
2516	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
2516	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
2516	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
2516	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

description	pid	process	target process
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
PID 5016 wrote to memory of 2516	5016	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe	c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe

C:\Users\Admin\AppData\Local\Temp\c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
"C:\Users\Admin\AppData\Local\Temp\c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5016

C:\Users\Admin\AppData\Local\Temp\c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe
"C:\Users\Admin\AppData\Local\Temp\c321f12d46e05106d16e84c43e7a5fb86cf3fc9669c578ded6d30bc5b50f9971.exe"
2⤵
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

Peripheral Device Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2516-133-0x0000000000000000-mapping.dmp

Download
memory/2516-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2516-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2516-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2516-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5016-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5016-135-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download