Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-kl9jmafc44
Target 292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f
SHA256 292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f
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

292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f

Threat Level: Known bad

The file 292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Executes dropped EXE

Unexpected DNS network traffic destination

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 08:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 08:42

Reported

2024-06-10 08:45

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.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-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2300 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp
PID 2300 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp
PID 2300 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp
PID 412 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 412 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 412 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 412 wrote to memory of 100 N/A C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 412 wrote to memory of 100 N/A C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 412 wrote to memory of 100 N/A C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

Processes

C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe

"C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe"

C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp" /SL5="$5016C,4581621,54272,C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe"

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.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 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
LT 91.211.247.248:53 ebuwnce.ua udp
BG 93.123.39.193:80 ebuwnce.ua tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp
US 8.8.8.8:53 193.39.123.93.in-addr.arpa udp

Files

memory/2300-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2300-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-N91N8.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp

MD5 9e060fd52fe2d2c3d99f08a2c420fbe4
SHA1 ff4322563f4093cdcd878b54774bdd95ed167420
SHA256 c2448d11d0a1487e74f5d94961d1317910f5b7777541bb07e41c15b42b40d377
SHA512 36815790bc7e569a3c1a1809d9bcbd3e5742c2694f8a9137e1ec02eca183a5f5a1670bbd806c4510d5b3fb874780a70f7102574678f0f002d8fdfdff701672bb

memory/412-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-J6668.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

MD5 ccff8eba36c37e804ddf41625879af30
SHA1 190b618603f1e17896eb832ec9c0023080e34410
SHA256 e84a49b653cac64d25ae3b7abad8a9859600b51801faa02e0e8a832a2287d652
SHA512 faea0b24b7f4280fecdb99d9b33c47e321d793bb7c7ea27dcbfc31125471e6138c29db086b876be21e00951721ec333063bb130e2ef360ed3f5e83f6d0d0df0c

memory/1344-59-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/1344-60-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/1344-63-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/1344-65-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-68-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/2300-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/412-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/100-71-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-74-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-77-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-80-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-83-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-87-0x00000000028C0000-0x0000000002962000-memory.dmp

memory/100-88-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-94-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-97-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-100-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-103-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-106-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-109-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-110-0x00000000028C0000-0x0000000002962000-memory.dmp

memory/100-111-0x00000000028C0000-0x0000000002962000-memory.dmp

memory/100-115-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/100-118-0x0000000000400000-0x00000000006E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 08:42

Reported

2024-06-10 08:45

Platform

win11-20240508-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.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-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4880 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp
PID 4880 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp
PID 4880 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp
PID 3104 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 3104 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 3104 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 3104 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 3104 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 3104 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

Processes

C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe

"C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe"

C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp" /SL5="$40232,4581621,54272,C:\Users\Admin\AppData\Local\Temp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.exe"

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s

Network

Country Destination Domain Proto
HK 141.98.234.31:53 bpmphpo.com udp
BG 93.123.39.193:80 bpmphpo.com tcp
EE 194.76.227.81:2023 tcp
US 8.8.8.8:53 193.39.123.93.in-addr.arpa udp
US 8.8.8.8:53 81.227.76.194.in-addr.arpa udp

Files

memory/4880-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4880-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-05VPF.tmp\292c8faff82015fd30f2c0ab1a36f238d25d2cb5728db3f5b1d085d359d3b93f.tmp

MD5 9e060fd52fe2d2c3d99f08a2c420fbe4
SHA1 ff4322563f4093cdcd878b54774bdd95ed167420
SHA256 c2448d11d0a1487e74f5d94961d1317910f5b7777541bb07e41c15b42b40d377
SHA512 36815790bc7e569a3c1a1809d9bcbd3e5742c2694f8a9137e1ec02eca183a5f5a1670bbd806c4510d5b3fb874780a70f7102574678f0f002d8fdfdff701672bb

memory/3104-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-TMK0S.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

MD5 ccff8eba36c37e804ddf41625879af30
SHA1 190b618603f1e17896eb832ec9c0023080e34410
SHA256 e84a49b653cac64d25ae3b7abad8a9859600b51801faa02e0e8a832a2287d652
SHA512 faea0b24b7f4280fecdb99d9b33c47e321d793bb7c7ea27dcbfc31125471e6138c29db086b876be21e00951721ec333063bb130e2ef360ed3f5e83f6d0d0df0c

memory/1768-59-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/1768-60-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/1768-64-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/1768-63-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-67-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-68-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4880-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3104-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4384-71-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-74-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-75-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-78-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-81-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-84-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-87-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/4384-90-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-95-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-98-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-101-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-104-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-107-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-110-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-111-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/4384-112-0x00000000009E0000-0x0000000000A82000-memory.dmp

memory/4384-116-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4384-119-0x0000000000400000-0x00000000006E4000-memory.dmp