metasploit | 328454e937567ce37f549d85f303997a18c77ea9f47700212809e02321bd96bf

Analysis

max time kernel
10s
max time network
0s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-01-2024 08:18

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General

Target

Picture47.JPG.scr
Size

165KB
MD5

caa0a13bd7ccf6af3241084e4c394647
SHA1

db0e58844b564bb70ab9547e258b55f08737dc78
SHA256

bdd822f9a0c5e69e3897d7feb4950ea58e1119ee5a656a55789c0827ee2bdce0
SHA512

50bb52758c88a5b40468d5a73977b688be1dd3ec3aecc157ab90f58733086503803b6c473d757c8051c580f4d68ceed82c4b68b89870ad67ace359e027744314
SSDEEP

3072:jgp5VH1kojjw70iESEDcaQhUxJnumqj12VDo0dzdo7MO:j4bMJE7DcJWxJpYH0Po7M

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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2324-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2324-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2324-10-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2324-9-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2324-8-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2324-7-0x0000000000400000-0x000000000044C000-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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Picture47.JPG.scr
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Picture47.JPG.scr

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	Picture47.JPG.scr
File opened for modification	C:\Windows\SysWOW64\igfxvk32.exe	Picture47.JPG.scr
File created	C:\Windows\SysWOW64\igfxvk32.exe	Picture47.JPG.scr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 2324	2264	Picture47.JPG.scr	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	Picture47.JPG.scr
2324	Picture47.JPG.scr

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28
PID 2264 wrote to memory of 2324	2264	Picture47.JPG.scr	28

C:\Users\Admin\AppData\Local\Temp\Picture47.JPG.scr
"C:\Users\Admin\AppData\Local\Temp\Picture47.JPG.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\Picture47.JPG.scr
  "C:\Users\Admin\AppData\Local\Temp\Picture47.JPG.scr" /S
  2⤵
  - Maps connected drives based on registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:2324
- - C:\Windows\SysWOW64\igfxvk32.exe
    "C:\Windows\SysWOW64\igfxvk32.exe" C:\Users\Admin\AppData\Local\Temp\PICTUR~1.SCR
    3⤵
    PID:2696
  - - C:\Windows\SysWOW64\igfxvk32.exe
      "C:\Windows\SysWOW64\igfxvk32.exe" C:\Users\Admin\AppData\Local\Temp\PICTUR~1.SCR
      4⤵
      PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

\Windows\SysWOW64\igfxvk32.exe

Filesize
165KB

MD5
caa0a13bd7ccf6af3241084e4c394647

SHA1
db0e58844b564bb70ab9547e258b55f08737dc78

SHA256
bdd822f9a0c5e69e3897d7feb4950ea58e1119ee5a656a55789c0827ee2bdce0

SHA512
50bb52758c88a5b40468d5a73977b688be1dd3ec3aecc157ab90f58733086503803b6c473d757c8051c580f4d68ceed82c4b68b89870ad67ace359e027744314

Download Submit
memory/2324-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2324-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download