metasploit | befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324

Analysis

max time kernel
354s
max time network
375s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 17:35

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General

Target

befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
Size

196KB
MD5

b797d2ac0430cba053425712b1cb0da6
SHA1

159e9e8ef4fb6356045e4df3b3c87b5a7652798c
SHA256

befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324
SHA512

4b14532b07798c9049652b7b4cb03c19783dec421c06fb76ce69d23009b7edd6ec1a2874cb2811210a3d0a199431337bb9f10dd23ff1a46a62d9c23d764a9eee
SSDEEP

3072:ew1Hhb4wftEoTlLPt1GiIFB4k9HDQogKUtz1/cmWZb/Kl:RBiAP9Pt1GTFyceKM1/cPZWl

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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1756-133-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1756-135-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1756-136-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1756-137-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1756-138-0x0000000000400000-0x0000000000455000-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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
File opened for modification	C:\Windows\SysWOW64\wmpdf32.exe	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
File created	C:\Windows\SysWOW64\wmpdf32.exe	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4052 set thread context of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1756	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
1756	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
1756	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
1756	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80
PID 4052 wrote to memory of 1756	4052	befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe	80

C:\Users\Admin\AppData\Local\Temp\befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
"C:\Users\Admin\AppData\Local\Temp\befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Users\Admin\AppData\Local\Temp\befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe
  "C:\Users\Admin\AppData\Local\Temp\befe9d7a09bb48dac73b8122892a92ecc8dd118f06ee29992ca63365ccedf324.exe"
  2⤵
  - Maps connected drives based on registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1756-133-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1756-135-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1756-136-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1756-137-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1756-138-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download