Malware Analysis Report

2024-10-10 10:39

Sample ID 240615-q45w2ssfra
Target 01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53
SHA256 01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53
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

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53

Threat Level: Known bad

The file 01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 13:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 13:49

Reported

2024-06-15 13:52

Platform

win10v2004-20240611-en

Max time kernel

142s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.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-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2728 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 2728 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 2728 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 1604 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 1604 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 1604 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 1604 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 1604 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 1604 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe

"C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe"

C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

"C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp" /SL5="$11005A,5603966,54272,C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.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 --field-trial-handle=4224,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=3960 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 89.43.201.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 216.131.50.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
HK 141.98.234.31:53 cesofdj.net udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
TR 94.156.8.80:80 cesofdj.net tcp
BG 194.59.31.219:2023 tcp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 15.242.123.52.in-addr.arpa udp

Files

memory/2728-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2728-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

MD5 5f513310dfdd2863a7925cf881b08d83
SHA1 e56ca43de148e9113a0143817d610dbff90984c8
SHA256 a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01
SHA512 c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

memory/1604-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 adb55cfd2f2a2e85dc40e7c1d2877f99
SHA1 33d740b6211edcc42714968ea184a1cdfb944962
SHA256 879fd09bcf76067240d49f80925606b17122a1409015f301f31e81fc162d69ab
SHA512 3c0cb619c8b0956c144cecaa634bff9b85ff078bb23a9f9965f1a1ef61213445d4ea4f88ae106b1b715db877009a4bd2f6c6fca8deca6cd59982aebbba85caef

memory/4616-65-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4616-66-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4616-71-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4616-70-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-74-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2728-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1604-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3900-77-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-80-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-83-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-86-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-89-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-92-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/3900-94-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-99-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-102-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-105-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-108-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-111-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-114-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-115-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/3900-116-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/3900-120-0x0000000000400000-0x0000000000748000-memory.dmp

memory/3900-123-0x0000000000400000-0x0000000000748000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 13:49

Reported

2024-06-15 13:52

Platform

win11-20240508-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.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 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-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4076 wrote to memory of 4004 N/A C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 4076 wrote to memory of 4004 N/A C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 4076 wrote to memory of 4004 N/A C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 4004 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4004 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4004 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4004 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4004 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 4004 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe

"C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe"

C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

"C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp" /SL5="$40234,5603966,54272,C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 152.89.198.214:53 bpvgqmg.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 bpvgqmg.com udp
LT 91.211.247.248:53 bpvgqmg.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/4076-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4076-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0QBNL.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

MD5 5f513310dfdd2863a7925cf881b08d83
SHA1 e56ca43de148e9113a0143817d610dbff90984c8
SHA256 a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01
SHA512 c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

memory/4004-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-E8RR2.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-E8RR2.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 adb55cfd2f2a2e85dc40e7c1d2877f99
SHA1 33d740b6211edcc42714968ea184a1cdfb944962
SHA256 879fd09bcf76067240d49f80925606b17122a1409015f301f31e81fc162d69ab
SHA512 3c0cb619c8b0956c144cecaa634bff9b85ff078bb23a9f9965f1a1ef61213445d4ea4f88ae106b1b715db877009a4bd2f6c6fca8deca6cd59982aebbba85caef

memory/2796-66-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2796-69-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2796-71-0x0000000000400000-0x0000000000748000-memory.dmp

memory/2796-65-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-74-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4076-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4004-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4376-77-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-80-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-81-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-84-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-87-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-90-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-91-0x0000000000A50000-0x0000000000AF2000-memory.dmp

memory/4376-95-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-100-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-103-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-106-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-109-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-112-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-115-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-118-0x0000000000400000-0x0000000000748000-memory.dmp

memory/4376-121-0x0000000000400000-0x0000000000748000-memory.dmp