Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-awwemszhqf
Target 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82
SHA256 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82

Threat Level: Known bad

The file 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Unexpected DNS network traffic destination

Executes dropped EXE

Loads dropped DLL

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

2024-06-25 00:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 00:34

Reported

2024-06-25 00:36

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 152.89.198.214 N/A N/A
Destination IP 152.89.198.214 N/A N/A
Destination IP 91.211.247.248 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-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3540 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
PID 3540 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
PID 3540 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
PID 2220 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2220 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2220 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2220 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2220 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2220 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe

"C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"

C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp

"C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp" /SL5="$601E6,4781395,54272,C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 bfkpuet.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 bfkpuet.com udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
LT 91.211.247.248:53 bfkpuet.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/3540-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3540-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp

MD5 ba4b463f4255291b24b4e085ff9f3e16
SHA1 fcde9af1aee2ea2bfaf572fd44bec987fa107f9f
SHA256 6abf9dbbad899a7f2d879ebeafd857d9d11a46844ad543cee3314ca3e5527f26
SHA512 e3aa9dbf2189f52d6c047c992b940831fd8e342a552f76e8abba19aab102d9f8cafc877fb942f61e9fff957974d01934f8d54452c9fe3a2638d928b72cf4ca68

memory/2220-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-U0ICS.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

MD5 79c2c105e4f44071b2b530cff5d39938
SHA1 3997237abb69cceaf3272c7f0870e7f9e88d6059
SHA256 878577de3a355e9fb41a9e2541a1631fa521e7b24e40252a20b8d32b3bb218fc
SHA512 9fadcae4226cbb55be401aaca0dff55d93a8da3d4a1d443d0d469bd63873f82a3fc833c7ee111b16b526e38e0e5b364f8b24dfb3103ac291b1cfa997d14295e0

memory/1652-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1652-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1652-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1652-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-67-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3540-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2220-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2404-71-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-74-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-77-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-80-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-83-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-86-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/2404-88-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-93-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-96-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-99-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-102-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-105-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-108-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-111-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2404-114-0x0000000000400000-0x00000000006C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 00:34

Reported

2024-06-25 00:36

Platform

win11-20240419-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 91.211.247.248 N/A N/A
Destination IP 141.98.234.31 N/A N/A
Destination IP 152.89.198.214 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-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5100 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
PID 5100 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
PID 5100 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
PID 4088 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4088 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4088 wrote to memory of 3100 N/A C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4088 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4088 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4088 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe

"C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"

C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp

"C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp" /SL5="$40204,4781395,54272,C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s

Network

Country Destination Domain Proto
HK 141.98.234.31:53 dtdmpbo.info udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
RU 152.89.198.214:53 dtdmpbo.info udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
LT 91.211.247.248:53 dtdmpbo.info udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/5100-3-0x0000000000401000-0x000000000040B000-memory.dmp

memory/5100-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-QU7S2.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp

MD5 ba4b463f4255291b24b4e085ff9f3e16
SHA1 fcde9af1aee2ea2bfaf572fd44bec987fa107f9f
SHA256 6abf9dbbad899a7f2d879ebeafd857d9d11a46844ad543cee3314ca3e5527f26
SHA512 e3aa9dbf2189f52d6c047c992b940831fd8e342a552f76e8abba19aab102d9f8cafc877fb942f61e9fff957974d01934f8d54452c9fe3a2638d928b72cf4ca68

C:\Users\Admin\AppData\Local\Temp\is-8CNVE.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4088-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

MD5 79c2c105e4f44071b2b530cff5d39938
SHA1 3997237abb69cceaf3272c7f0870e7f9e88d6059
SHA256 878577de3a355e9fb41a9e2541a1631fa521e7b24e40252a20b8d32b3bb218fc
SHA512 9fadcae4226cbb55be401aaca0dff55d93a8da3d4a1d443d0d469bd63873f82a3fc833c7ee111b16b526e38e0e5b364f8b24dfb3103ac291b1cfa997d14295e0

memory/3100-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3100-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3100-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-67-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3100-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-69-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/5100-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4088-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4444-72-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-75-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-76-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-79-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-82-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-85-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-86-0x0000000000AA0000-0x0000000000B42000-memory.dmp

memory/4444-90-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-95-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-98-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-101-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-104-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-107-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-110-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-113-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4444-116-0x0000000000400000-0x00000000006C8000-memory.dmp