Malware Analysis Report

2024-11-15 04:58

Sample ID 240624-3y3kyssdpl
Target 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f
SHA256 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f
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

334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f

Threat Level: Known bad

The file 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f 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

2024-06-24 23:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 23:56

Reported

2024-06-24 23:58

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.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 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-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2928 wrote to memory of 3080 N/A C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
PID 2928 wrote to memory of 3080 N/A C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
PID 2928 wrote to memory of 3080 N/A C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
PID 3080 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3080 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3080 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3080 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3080 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3080 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe

"C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"

C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp" /SL5="$80060,4744462,54272,C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.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

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 --field-trial-handle=4372,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=1428 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
RU 152.89.198.214:53 cclpxkx.net udp
TR 94.156.8.80:80 cclpxkx.net tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp

Files

memory/2928-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2928-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp

MD5 893bd2f08862ec5904f78d072c7a274c
SHA1 d6e87230b90b418345000a8d696bd552469d8d06
SHA256 0fa65c54cf864083c000adcc62456314b7f3b882e120de4de1ba08c565dd40a5
SHA512 940abebb53504b2a4fc252eb36ab75a1523abe72aa5a5ace6f15deacc59f259177d5c7f23af9e2a85ccde43126d0ae4b10bde56fb0b3380b97851a39e6569fc3

memory/3080-12-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 e7e9871d5b763bb1d8c75f98bfd32b99
SHA1 3b39b35f1fdee524b0b841f56eaa21f346d7d501
SHA256 6251f2d8bd3ad9482b20f7425b0163ec37deddf2594880f824978251f43c8e2a
SHA512 e1968c869e44da79e9725926fddcb8b3dc139f8c4833557191b3e8bfcb4639e2e0bedf26bdbdfc71f44a878c56bb8c3adeb75066cd9864e2177154d10bafc230

memory/2380-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2380-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2380-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2380-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-68-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2928-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3080-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3988-71-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-74-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-77-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-80-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-83-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-86-0x0000000002510000-0x00000000025B2000-memory.dmp

memory/3988-90-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-93-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-96-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-99-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-102-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-105-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-108-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-109-0x0000000002510000-0x00000000025B2000-memory.dmp

memory/3988-110-0x0000000002510000-0x00000000025B2000-memory.dmp

memory/3988-114-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3988-117-0x0000000000400000-0x00000000006C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 23:56

Reported

2024-06-24 23:58

Platform

win11-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.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 91.211.247.248 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-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3004 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
PID 3004 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
PID 3004 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
PID 2628 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2628 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2628 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2628 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2628 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2628 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe

"C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"

C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp" /SL5="$70232,4744462,54272,C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.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
US 52.111.227.14:443 tcp
LT 91.211.247.248:53 ccjyjoo.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 ccjyjoo.net udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
LT 91.211.247.248:53 ccjyjoo.net udp

Files

memory/3004-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3004-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp

MD5 893bd2f08862ec5904f78d072c7a274c
SHA1 d6e87230b90b418345000a8d696bd552469d8d06
SHA256 0fa65c54cf864083c000adcc62456314b7f3b882e120de4de1ba08c565dd40a5
SHA512 940abebb53504b2a4fc252eb36ab75a1523abe72aa5a5ace6f15deacc59f259177d5c7f23af9e2a85ccde43126d0ae4b10bde56fb0b3380b97851a39e6569fc3

C:\Users\Admin\AppData\Local\Temp\is-5557A.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2628-16-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 e7e9871d5b763bb1d8c75f98bfd32b99
SHA1 3b39b35f1fdee524b0b841f56eaa21f346d7d501
SHA256 6251f2d8bd3ad9482b20f7425b0163ec37deddf2594880f824978251f43c8e2a
SHA512 e1968c869e44da79e9725926fddcb8b3dc139f8c4833557191b3e8bfcb4639e2e0bedf26bdbdfc71f44a878c56bb8c3adeb75066cd9864e2177154d10bafc230

memory/2944-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2944-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2944-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2944-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-67-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-69-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3004-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2628-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3896-72-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-75-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-76-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-79-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-82-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-85-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-88-0x0000000000AC0000-0x0000000000B62000-memory.dmp

memory/3896-90-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-95-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-98-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-101-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-104-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-107-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-110-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-113-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3896-116-0x0000000000400000-0x00000000006C8000-memory.dmp