Malware Analysis Report

2024-10-10 10:40

Sample ID 240614-v5vvpaterl
Target 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe
SHA256 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca
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

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca

Threat Level: Known bad

The file 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe 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 17:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 17:34

Reported

2024-06-14 17:37

Platform

win7-20240508-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.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

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-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 1932 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 2028 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 2028 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe

"C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe"

C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

"C:\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp" /SL5="$400EE,4808638,54272,C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe"

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 dicqcwu.info udp
RU 152.89.198.214:53 dicqcwu.info udp
N/A 91.211.247.248:53 udp

Files

memory/1932-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/1932-0-0x0000000000400000-0x0000000000414000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-USJKB.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

MD5 895d982b558dbe81e0d8d31e818f766e
SHA1 27d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA256 3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA512 4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

\Users\Admin\AppData\Local\Temp\is-PCR2V.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2028-17-0x0000000000400000-0x00000000004BA000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-PCR2V.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

MD5 403fcb2628a9d2b8bf04e03f5b27eac7
SHA1 38e0c900bc31289d8c3194fb3b9f458290925e6d
SHA256 45f3121407742bf6c32e7a089a4b918f7850172238dbda30518645dedabbf164
SHA512 f9f1096eedb77386de0d20acd7534f145ce021a0242a0a541caf35317e72c78279a9776ace8fff8c7dcc527ab074a245a5d636c974621f5108426650df5f7da1

memory/2028-64-0x0000000003390000-0x000000000367F000-memory.dmp

memory/2788-65-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2788-66-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2788-69-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-71-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/1932-73-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2028-74-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2468-75-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2028-76-0x0000000003390000-0x000000000367F000-memory.dmp

memory/2468-79-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-82-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-85-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-88-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-91-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-92-0x0000000002660000-0x0000000002702000-memory.dmp

memory/2468-98-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-101-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-104-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-107-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-110-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-113-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-116-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2468-119-0x0000000000400000-0x00000000006EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 17:34

Reported

2024-06-14 17:37

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.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 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-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4752 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 4752 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 4752 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 536 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 536 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 536 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 536 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 536 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
PID 536 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe

"C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe"

C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

"C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp" /SL5="$40216,4808638,54272,C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe"

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s

Network

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

Files

memory/4752-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4752-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-QG3B1.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

MD5 895d982b558dbe81e0d8d31e818f766e
SHA1 27d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA256 3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA512 4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

C:\Users\Admin\AppData\Local\Temp\is-MD7Q2.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/536-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

MD5 403fcb2628a9d2b8bf04e03f5b27eac7
SHA1 38e0c900bc31289d8c3194fb3b9f458290925e6d
SHA256 45f3121407742bf6c32e7a089a4b918f7850172238dbda30518645dedabbf164
SHA512 f9f1096eedb77386de0d20acd7534f145ce021a0242a0a541caf35317e72c78279a9776ace8fff8c7dcc527ab074a245a5d636c974621f5108426650df5f7da1

memory/2248-59-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2248-60-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2248-63-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/2248-65-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-68-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4752-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/536-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4024-71-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-74-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-77-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-80-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-83-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-86-0x0000000002500000-0x00000000025A2000-memory.dmp

memory/4024-90-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-93-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-96-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-99-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-102-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-105-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-108-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-111-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/4024-114-0x0000000000400000-0x00000000006EF000-memory.dmp