Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-cav8vsvamd
Target f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe
SHA256 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe
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

f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe

Threat Level: Known bad

The file f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Unexpected DNS network traffic destination

Executes dropped EXE

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 01:52

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 01:52

Reported

2024-06-25 01:55

Platform

win11-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.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
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-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2540 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
PID 2540 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
PID 2540 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
PID 240 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 240 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 240 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 240 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 240 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 240 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe

"C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe"

C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp

"C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp" /SL5="$4022E,4913475,54272,C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.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 ebewwgi.ua udp
TR 94.156.8.80:80 ebewwgi.ua tcp
CH 176.10.111.158:2023 tcp

Files

memory/2540-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2540-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-UO9BM.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp

MD5 fc1760e726bc3cd3643815ea2c8077fd
SHA1 0e7906081387d1b5ed881d8f1976b4f4f8fefff9
SHA256 e5f3254f1c5a55c98357632ab034e3567676c6a6ee7584c4b17bae70427a21f3
SHA512 08cb70fb426f043aa86da98d8e90519a0356dfcbbd0259f6cdbcbcdff9dc1e2f70af79d64f7fa9abff665d0d2f3a1f9a8a8f8a3edbd73226a3dc1252651d2b4a

memory/240-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-SD5R4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 63a60328d83d85c5f44811d22524210c
SHA1 e061cf2c01edc8b49ebaa961b9c71145b86120c3
SHA256 de29c1ae12c9bb3793f8a7996d85a0bc023b5e35da5401853ac53eeac8624617
SHA512 69100bdf70d41771fa3b8d0e39db9d1ef9bf030f6a8bd31b01b1965f9a8099e8f63a6ec2140c60ac9c86c7f66be03b242b117912e2a1437c6c6914e51c408cb1

memory/3224-59-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/3224-60-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/3224-63-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/3224-65-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-68-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-69-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2540-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/240-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2032-72-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-75-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-76-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-79-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-82-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-85-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-88-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/2032-90-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-96-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-99-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-102-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-105-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-108-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-111-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-112-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/2032-113-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/2032-114-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/2032-118-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/2032-121-0x0000000000400000-0x00000000006EE000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 01:52

Reported

2024-06-25 01:55

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.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-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 64 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
PID 64 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
PID 64 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
PID 1476 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1476 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1476 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1476 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1476 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1476 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe

"C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe"

C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp

"C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp" /SL5="$80068,4913475,54272,C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.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=3768,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
RU 152.89.198.214:53 bowxusj.com udp
TR 94.156.8.80:80 bowxusj.com tcp
NL 89.105.201.183:2023 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 8.8.8.8:53 183.201.105.89.in-addr.arpa udp
US 8.8.8.8:53 43.242.123.52.in-addr.arpa udp

Files

memory/64-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/64-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp

MD5 fc1760e726bc3cd3643815ea2c8077fd
SHA1 0e7906081387d1b5ed881d8f1976b4f4f8fefff9
SHA256 e5f3254f1c5a55c98357632ab034e3567676c6a6ee7584c4b17bae70427a21f3
SHA512 08cb70fb426f043aa86da98d8e90519a0356dfcbbd0259f6cdbcbcdff9dc1e2f70af79d64f7fa9abff665d0d2f3a1f9a8a8f8a3edbd73226a3dc1252651d2b4a

memory/1476-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-6HV5R.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 63a60328d83d85c5f44811d22524210c
SHA1 e061cf2c01edc8b49ebaa961b9c71145b86120c3
SHA256 de29c1ae12c9bb3793f8a7996d85a0bc023b5e35da5401853ac53eeac8624617
SHA512 69100bdf70d41771fa3b8d0e39db9d1ef9bf030f6a8bd31b01b1965f9a8099e8f63a6ec2140c60ac9c86c7f66be03b242b117912e2a1437c6c6914e51c408cb1

memory/4652-59-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4652-60-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4652-63-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4652-65-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-67-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/64-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1476-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4320-71-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-74-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-77-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-80-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-83-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-86-0x0000000000960000-0x0000000000A02000-memory.dmp

memory/4320-88-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-93-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-96-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-99-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-102-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-105-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-109-0x0000000000960000-0x0000000000A02000-memory.dmp

memory/4320-108-0x0000000000960000-0x0000000000A02000-memory.dmp

memory/4320-110-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-114-0x0000000000400000-0x00000000006EE000-memory.dmp

memory/4320-117-0x0000000000400000-0x00000000006EE000-memory.dmp