Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-vtnbgavgpl
Target 0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5
SHA256 0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5
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

0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5

Threat Level: Known bad

The file 0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

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

2024-06-25 17:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 17:17

Reported

2024-06-25 17:19

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.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

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-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1348 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp
PID 1348 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp
PID 1348 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp
PID 536 wrote to memory of 4260 N/A C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 536 wrote to memory of 4260 N/A C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 536 wrote to memory of 4260 N/A C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 536 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 536 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 536 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe

"C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe"

C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp

"C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp" /SL5="$15011E,4922972,54272,C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 7.6.57.23.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 3.166.122.92.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 152.89.198.214:53 aiizuxl.ru udp
TR 94.156.8.80:80 aiizuxl.ru tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

memory/1348-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1348-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EUTNG.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp

MD5 2dea2a241a5a0e02b9d152ad489ac613
SHA1 d9a5ebd030b5caf60d8178d7f14c4a61bf20681c
SHA256 3c3ff0b15ffddc46cb8bb3584e1b099d53e1e75daab0e17673cf2812bc2b2d64
SHA512 87d9ca01c5f7cb2b43a4c0665b429c2de8563782e5daf238f2882a8a621bc3ccc05fbddec8d874975e64c3a151718513d2db25de0e47ed0dacf6e3af55833190

memory/536-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-1OFCO.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

MD5 fe14bec862cb4a19ccb2a3f26a971161
SHA1 c799b0813841c43cac05bcb5dfb165d0ffbac4b4
SHA256 736fd2ba224c96f2a3b467bf32b466c33c916be911d341a35eb4e0cc7240333d
SHA512 ee33755f22c0e254e469febc33d8b337f1f1f9f2d273de21ca125ba057dd6677a566ad89bad92515d3f7b916476b647b502cbb8ab6215255cfab408b5149452a

memory/4260-59-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4260-60-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4260-62-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4260-64-0x0000000000400000-0x0000000000721000-memory.dmp

memory/1348-67-0x0000000000400000-0x0000000000414000-memory.dmp

memory/536-68-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4392-70-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-73-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-76-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-78-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-81-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-84-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/4392-89-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-92-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-94-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-97-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-101-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-104-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-107-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-110-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4392-113-0x0000000000400000-0x0000000000721000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 17:17

Reported

2024-06-25 17:19

Platform

win11-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.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-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4352 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp
PID 4352 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp
PID 4352 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp
PID 2896 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 2896 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 2896 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 2896 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 2896 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 2896 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe

"C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe"

C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp" /SL5="$60204,4922972,54272,C:\Users\Admin\AppData\Local\Temp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s

Network

Country Destination Domain Proto
HK 141.98.234.31:53 budcozb.com udp
TR 94.156.8.80:80 budcozb.com tcp
EE 194.76.227.81:2023 tcp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 81.227.76.194.in-addr.arpa udp

Files

memory/4352-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4352-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LUGFL.tmp\0d309f881cba274bbefe5da4fadd5b1d4d220c76fe2d2ce5d3502007b12ba3e5.tmp

MD5 2dea2a241a5a0e02b9d152ad489ac613
SHA1 d9a5ebd030b5caf60d8178d7f14c4a61bf20681c
SHA256 3c3ff0b15ffddc46cb8bb3584e1b099d53e1e75daab0e17673cf2812bc2b2d64
SHA512 87d9ca01c5f7cb2b43a4c0665b429c2de8563782e5daf238f2882a8a621bc3ccc05fbddec8d874975e64c3a151718513d2db25de0e47ed0dacf6e3af55833190

memory/2896-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4D4RA.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

MD5 fe14bec862cb4a19ccb2a3f26a971161
SHA1 c799b0813841c43cac05bcb5dfb165d0ffbac4b4
SHA256 736fd2ba224c96f2a3b467bf32b466c33c916be911d341a35eb4e0cc7240333d
SHA512 ee33755f22c0e254e469febc33d8b337f1f1f9f2d273de21ca125ba057dd6677a566ad89bad92515d3f7b916476b647b502cbb8ab6215255cfab408b5149452a

memory/4172-59-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4172-63-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4172-65-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4172-60-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-67-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-69-0x0000000000400000-0x0000000000721000-memory.dmp

memory/4352-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2896-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2140-72-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-75-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-76-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-79-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-82-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-85-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-88-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/2140-91-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-96-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-99-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-102-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-105-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-108-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-111-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-112-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/2140-113-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/2140-117-0x0000000000400000-0x0000000000721000-memory.dmp

memory/2140-120-0x0000000000400000-0x0000000000721000-memory.dmp