Malware Analysis Report

2024-11-15 04:58

Sample ID 240624-v7ddesvakb
Target cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92
SHA256 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92
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

cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92

Threat Level: Known bad

The file cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

Executes dropped EXE

Unexpected DNS network traffic destination

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

2024-06-24 17:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 17:37

Reported

2024-06-24 17:40

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.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-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4904 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
PID 4904 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
PID 4904 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
PID 3136 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3136 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3136 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3136 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3136 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3136 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe

"C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe"

C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp

"C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp" /SL5="$B0054,4740430,54272,C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 152.89.198.214:53 aylioqz.ru udp
TR 94.156.8.80:80 aylioqz.ru tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/4904-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4904-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp

MD5 968239ff237206125fcefc6e1e18d1a1
SHA1 08e9029bfbe3fa982382a5a1fdf8a1e024d42e91
SHA256 ab87f9cbd0651077023497cdf3fbc62d9bdd85ab96b59a07c4ff1c246422e78b
SHA512 3eed5e98a25c63463490c693248408e0976b4973f454fae776d8087ec55a09fa7475056a7620c194f3d02055f06898b0504d12ec00b160f9b433796f55174674

memory/3136-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ALQK4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 bd12db646f3c62e2f25e9cfcc7d54989
SHA1 125734e5b82a9b21d47182698249d6c31608868c
SHA256 d1090936174a284b1ffc7bef1a8c14fe382948926586182154743dcfd90255c6
SHA512 36e7a084e33d8e026827533467dc68e94d441fa559fa02105b9264d3aeca6032ea5058e10996db9384bc3599e11498452b1855525cdbb83bbe833141adfa3c2d

memory/3348-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3348-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3348-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3348-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-68-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4904-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3136-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3416-71-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-74-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-77-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-80-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-83-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-86-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3416-88-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-93-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-96-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-99-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-102-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-105-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-108-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-109-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3416-110-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3416-114-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3416-117-0x0000000000400000-0x00000000006C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 17:37

Reported

2024-06-24 17:40

Platform

win11-20240611-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.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 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-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1084 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
PID 1084 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
PID 1084 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
PID 4896 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4896 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4896 wrote to memory of 3556 N/A C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4896 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4896 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 4896 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe

"C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe"

C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp" /SL5="$40206,4740430,54272,C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
LT 91.211.247.248:53 bfigujs.com udp
TR 94.156.8.80:80 bfigujs.com tcp
FR 195.154.185.134:2023 tcp

Files

memory/1084-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1084-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LEE6D.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp

MD5 968239ff237206125fcefc6e1e18d1a1
SHA1 08e9029bfbe3fa982382a5a1fdf8a1e024d42e91
SHA256 ab87f9cbd0651077023497cdf3fbc62d9bdd85ab96b59a07c4ff1c246422e78b
SHA512 3eed5e98a25c63463490c693248408e0976b4973f454fae776d8087ec55a09fa7475056a7620c194f3d02055f06898b0504d12ec00b160f9b433796f55174674

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4896-16-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 bd12db646f3c62e2f25e9cfcc7d54989
SHA1 125734e5b82a9b21d47182698249d6c31608868c
SHA256 d1090936174a284b1ffc7bef1a8c14fe382948926586182154743dcfd90255c6
SHA512 36e7a084e33d8e026827533467dc68e94d441fa559fa02105b9264d3aeca6032ea5058e10996db9384bc3599e11498452b1855525cdbb83bbe833141adfa3c2d

memory/3556-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3556-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3556-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/3556-64-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-68-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1084-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4896-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4564-71-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-74-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-77-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-80-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-83-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-86-0x0000000000A30000-0x0000000000AD2000-memory.dmp

memory/4564-89-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-94-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-97-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-100-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-103-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-106-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-109-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-111-0x0000000000A30000-0x0000000000AD2000-memory.dmp

memory/4564-110-0x0000000000A30000-0x0000000000AD2000-memory.dmp

memory/4564-115-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/4564-118-0x0000000000400000-0x00000000006C8000-memory.dmp