Malware Analysis Report

2024-10-10 10:39

Sample ID 240615-pjfwrathjj
Target 167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e
SHA256 167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e
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

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e

Threat Level: Known bad

The file 167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e 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

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 12:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 12:21

Reported

2024-06-15 12:24

Platform

win10v2004-20240226-en

Max time kernel

158s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

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-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4112 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 4112 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 4112 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 3372 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 3372 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 3372 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 3372 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 3372 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 3372 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe

"C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"

C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

"C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp" /SL5="$C005E,5608586,54272,C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.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=3628 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

memory/4112-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4112-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4112-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-B22BN.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

MD5 5f513310dfdd2863a7925cf881b08d83
SHA1 e56ca43de148e9113a0143817d610dbff90984c8
SHA256 a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01
SHA512 c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

memory/4112-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3372-9-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-JMBUQ.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4112-25-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3372-26-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

MD5 dba379bb6447169ae41100770c27f059
SHA1 2bfc83e8b28de65048b19fb41ce98905017264d5
SHA256 667617fdf10c8b2e6c9312cec31937073af49dd1012721805ffa3c9fd13a0101
SHA512 c2bdcd6599a5654f5383f21386ce9ea40c8cd556d1356cac199fe351f50d95cbbb017c578d338858c0539aed12cc0a778fb5b9288331e15c46165405fbbd060b

memory/1576-69-0x0000000000400000-0x0000000000748000-memory.dmp

memory/1576-70-0x0000000000400000-0x0000000000748000-memory.dmp

memory/1576-71-0x0000000000400000-0x0000000000748000-memory.dmp

memory/1576-74-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3372-78-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3460-79-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-82-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-85-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-88-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-91-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-94-0x0000000000880000-0x0000000000922000-memory.dmp

memory/3460-96-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-101-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-104-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-107-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-110-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-113-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3460-116-0x0000000000400000-0x0000000000748000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 12:21

Reported

2024-06-15 12:23

Platform

win11-20240611-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.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 45.155.250.90 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-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5056 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 5056 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 5056 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 4892 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4892 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4892 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4892 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4892 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4892 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe

"C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"

C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

"C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp" /SL5="$40236,5608586,54272,C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s

Network

Country Destination Domain Proto
SE 45.155.250.90:53 ckceupr.net udp
TR 94.156.8.80:80 ckceupr.net tcp
BG 194.59.31.219:2023 tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp

Files

memory/5056-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5056-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

MD5 5f513310dfdd2863a7925cf881b08d83
SHA1 e56ca43de148e9113a0143817d610dbff90984c8
SHA256 a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01
SHA512 c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

C:\Users\Admin\AppData\Local\Temp\is-0AFCI.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4892-19-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0AFCI.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

MD5 dba379bb6447169ae41100770c27f059
SHA1 2bfc83e8b28de65048b19fb41ce98905017264d5
SHA256 667617fdf10c8b2e6c9312cec31937073af49dd1012721805ffa3c9fd13a0101
SHA512 c2bdcd6599a5654f5383f21386ce9ea40c8cd556d1356cac199fe351f50d95cbbb017c578d338858c0539aed12cc0a778fb5b9288331e15c46165405fbbd060b

memory/4640-65-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4640-69-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4640-66-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4640-71-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-74-0x0000000000400000-0x0000000000748000-memory.dmp

memory/5056-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4892-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2380-77-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-80-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-83-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-86-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-89-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-90-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/2380-95-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-100-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-103-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-106-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-109-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-112-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-115-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-116-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/2380-117-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/2380-121-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2380-124-0x0000000000400000-0x0000000000748000-memory.dmp