Malware Analysis Report

2024-10-10 10:39

Sample ID 240614-t8e3zasdqm
Target c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296
SHA256 c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296

Threat Level: Known bad

The file c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Executes dropped EXE

Loads dropped DLL

Unexpected DNS network traffic destination

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 16:43

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 16:43

Reported

2024-06-14 16:45

Platform

win11-20240611-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe"

Signatures

Detect Socks5Systemz Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 141.98.234.31 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp
PID 4308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp
PID 4308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp
PID 2636 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 2636 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 2636 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 2636 wrote to memory of 3800 N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 2636 wrote to memory of 3800 N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 2636 wrote to memory of 3800 N/A C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe

"C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe"

C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp

"C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp" /SL5="$40204,4742424,54272,C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe"

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s

Network

Country Destination Domain Proto
HK 141.98.234.31:53 ckmoxid.net udp
TR 94.156.8.80:80 ckmoxid.net tcp
BG 194.59.31.219:2023 tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp

Files

memory/4308-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4308-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-UIICN.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp

MD5 283da5c763c54b41092d9fe0d244b491
SHA1 d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03
SHA256 339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9
SHA512 306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

memory/2636-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-C12G4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

MD5 d8fa171766686dffce98c9319f6f4457
SHA1 5b7a29c20545eff953354cab6fdcb466eb4810e2
SHA256 a336aae126f54e42226b817492ace396b1f2152a8da0127eedd3b79efb68881c
SHA512 85e3806e7f2ec73615945886258482b93b76d7ea0e2e1455bcff2b45aef454a46f601b70e20f69df166b5860d03a6fff7a84197c522d9df88ca84ef8906af660

memory/2036-59-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/2036-60-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/2036-64-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-67-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-68-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4308-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2636-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3800-71-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-74-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-75-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-78-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-81-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-84-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-87-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3800-90-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-95-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-98-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-101-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-104-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-107-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-110-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-112-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3800-111-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3800-116-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/3800-119-0x0000000000400000-0x00000000006ED000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 16:43

Reported

2024-06-14 16:45

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe"

Signatures

Detect Socks5Systemz Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 45.155.250.90 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 4912 N/A C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp
PID 2552 wrote to memory of 4912 N/A C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp
PID 2552 wrote to memory of 4912 N/A C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp
PID 4912 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 4912 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 4912 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 4912 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 4912 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 4912 wrote to memory of 4348 N/A C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe

"C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe"

C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp

"C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp" /SL5="$A0052,4742424,54272,C:\Users\Admin\AppData\Local\Temp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.exe"

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 114.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 161.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
SE 45.155.250.90:53 bvcboeg.com udp
TR 94.156.8.80:80 bvcboeg.com tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2552-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2552-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-KH7Q7.tmp\c414d00778d86b3c6d2cf309849e2f4c0ff80fb420f552a592e430f141e59296.tmp

MD5 283da5c763c54b41092d9fe0d244b491
SHA1 d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03
SHA256 339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9
SHA512 306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

memory/4912-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-1845E.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

MD5 d8fa171766686dffce98c9319f6f4457
SHA1 5b7a29c20545eff953354cab6fdcb466eb4810e2
SHA256 a336aae126f54e42226b817492ace396b1f2152a8da0127eedd3b79efb68881c
SHA512 85e3806e7f2ec73615945886258482b93b76d7ea0e2e1455bcff2b45aef454a46f601b70e20f69df166b5860d03a6fff7a84197c522d9df88ca84ef8906af660

memory/4984-59-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4984-60-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4984-63-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4984-65-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/2552-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4912-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4348-70-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-73-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-76-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-79-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-82-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-85-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4348-87-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-92-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-95-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-98-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-101-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-104-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-107-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-108-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4348-109-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4348-113-0x0000000000400000-0x00000000006ED000-memory.dmp

memory/4348-116-0x0000000000400000-0x00000000006ED000-memory.dmp