Malware Analysis Report

2024-10-10 10:39

Sample ID 240616-ernlfsshlq
Target c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d
SHA256 c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d
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

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d

Threat Level: Known bad

The file c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d 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

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 04:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 04:10

Reported

2024-06-16 04:13

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.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-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4056 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 4056 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 4056 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 2280 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2280 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2280 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2280 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2280 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2280 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe

"C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe"

C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

"C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp" /SL5="$C0056,5617659,54272,C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe"

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.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=3028,i,7977653611488681184,6839495125838449898,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /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 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 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
SE 45.155.250.90:53 bgbsire.com udp
TR 94.156.8.80:80 bgbsire.com 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 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp

Files

memory/4056-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4056-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-646MS.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

MD5 a53cd7f9f154eefaf6ff191bb4d65be5
SHA1 f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff
SHA256 4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35
SHA512 327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

memory/2280-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-H3B1M.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-H3B1M.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

MD5 8da82123a5a83686ac1897115c6bc4f8
SHA1 f31dd771d8352afe1a75803cee5488daf41bb98e
SHA256 05446e4f3a90119f7ad6de3aee4795d1a59b914ac7d18895d0c25a8fa082e52d
SHA512 0f832253926e99f47296172fdb0aa883887e4601da6bffeced63fc0bcf11a2206a557a49c00966d91f4373466b2643b7cb8bf183904e61df533494abc406d558

memory/4896-65-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4896-66-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4896-67-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4896-71-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-74-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4056-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2280-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4592-77-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-80-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-83-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-86-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-89-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-92-0x0000000002970000-0x0000000002A12000-memory.dmp

memory/4592-95-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-100-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-103-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-106-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-109-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-112-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-115-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-116-0x0000000002970000-0x0000000002A12000-memory.dmp

memory/4592-117-0x0000000002970000-0x0000000002A12000-memory.dmp

memory/4592-121-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4592-124-0x0000000000400000-0x0000000000742000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 04:10

Reported

2024-06-16 04:13

Platform

win11-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.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 152.89.198.214 N/A N/A
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-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2008 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 2008 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 2008 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 2340 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2340 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2340 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2340 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2340 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 2340 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe

"C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe"

C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

"C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp" /SL5="$40202,5617659,54272,C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe"

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.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 bhvoeob.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 bhvoeob.com udp
LT 91.211.247.248:53 bhvoeob.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2008-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2008-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EBRGT.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

MD5 a53cd7f9f154eefaf6ff191bb4d65be5
SHA1 f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff
SHA256 4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35
SHA512 327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

memory/2340-22-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

MD5 8da82123a5a83686ac1897115c6bc4f8
SHA1 f31dd771d8352afe1a75803cee5488daf41bb98e
SHA256 05446e4f3a90119f7ad6de3aee4795d1a59b914ac7d18895d0c25a8fa082e52d
SHA512 0f832253926e99f47296172fdb0aa883887e4601da6bffeced63fc0bcf11a2206a557a49c00966d91f4373466b2643b7cb8bf183904e61df533494abc406d558

memory/1036-66-0x0000000000400000-0x0000000000742000-memory.dmp

memory/1036-65-0x0000000000400000-0x0000000000742000-memory.dmp

memory/1036-71-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-73-0x0000000000400000-0x0000000000742000-memory.dmp

memory/1036-70-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-75-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2008-76-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2340-77-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2960-78-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-81-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-82-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-85-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-88-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-91-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-93-0x0000000000AE0000-0x0000000000B82000-memory.dmp

memory/2960-97-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-102-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-105-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-108-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-111-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-114-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-117-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-120-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2960-123-0x0000000000400000-0x0000000000742000-memory.dmp