Malware Analysis Report

2024-11-15 05:01

Sample ID 240530-p343paad32
Target 9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4
SHA256 9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4

Threat Level: Known bad

The file 9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4 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

2024-05-30 12:52

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 12:52

Reported

2024-05-30 12:54

Platform

win11-20240508-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.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-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 228 wrote to memory of 1312 N/A C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp
PID 228 wrote to memory of 1312 N/A C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp
PID 228 wrote to memory of 1312 N/A C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp
PID 1312 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1312 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1312 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1312 wrote to memory of 4600 N/A C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1312 wrote to memory of 4600 N/A C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1312 wrote to memory of 4600 N/A C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe

"C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe"

C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp" /SL5="$7013C,4749555,54272,C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe"

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
SE 45.155.250.90:53 boxwcdf.com udp
BG 79.110.49.184:80 boxwcdf.com tcp
RO 45.11.181.104:2023 tcp
US 8.8.8.8:53 104.181.11.45.in-addr.arpa udp

Files

memory/228-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/228-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-6K6KU.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp

MD5 35dc5f441f5af688cd72c6e0b8dc86dc
SHA1 328afce7e8d428b4c0769b722ebf6f7ada656751
SHA256 d54b98ace62fc4252c1b7f4a06166cbaa1f246183fb9ea36034b34c9bcd2dddc
SHA512 52d5291fdee71e36c724afdc6dfcf86ee17957e52cccbdb663285b5b2f4bfd9b8597e2cedf48f7faf0f17255c6544ae287e0d90c062f76451bc5fe994b39dcc4

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/1312-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

MD5 9ebe3aa1206d9f36c65c95e454a253f9
SHA1 1311e776770555f829cbe11ce310155570d20354
SHA256 9ae0369f9ec00fb9e9d5f836b5393a38df13da15e8ed65c267edfd97a5264e99
SHA512 762ffefcd72461be6a7d43055dee7c6c3e43cc1372b9a93695e99579d69444cb6e84aa002e090e72c788d0100871db465d051e894745a93d9ff64f73e3f09b65

memory/2420-59-0x0000000000400000-0x0000000000744000-memory.dmp

memory/2420-63-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-67-0x0000000000400000-0x0000000000744000-memory.dmp

memory/2420-60-0x0000000000400000-0x0000000000744000-memory.dmp

memory/228-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1312-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4600-70-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-73-0x0000000000400000-0x0000000000744000-memory.dmp

memory/2420-74-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-77-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-80-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-83-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-86-0x0000000002540000-0x00000000025E2000-memory.dmp

memory/4600-88-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-94-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-97-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-100-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-103-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-106-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-109-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-110-0x0000000002540000-0x00000000025E2000-memory.dmp

memory/4600-111-0x0000000002540000-0x00000000025E2000-memory.dmp

memory/4600-115-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4600-118-0x0000000000400000-0x0000000000744000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 12:52

Reported

2024-05-30 12:54

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.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-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp
PID 2360 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp
PID 2360 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp
PID 4828 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4828 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4828 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4828 wrote to memory of 4504 N/A C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4828 wrote to memory of 4504 N/A C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4828 wrote to memory of 4504 N/A C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe

"C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe"

C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp" /SL5="$60122,4749555,54272,C:\Users\Admin\AppData\Local\Temp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.exe"

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
HK 141.98.234.31:53 aykozze.ru udp
BG 79.110.49.184:80 aykozze.ru tcp
CH 176.10.111.158:2023 tcp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
US 8.8.8.8:53 184.49.110.79.in-addr.arpa udp
US 8.8.8.8:53 158.111.10.176.in-addr.arpa udp
US 8.8.8.8:53 25.173.189.20.in-addr.arpa udp

Files

memory/2360-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2360-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3N8KC.tmp\9eb56324e4f580833c087169a098945ca51c3857fafd53114695a72add050dc4.tmp

MD5 35dc5f441f5af688cd72c6e0b8dc86dc
SHA1 328afce7e8d428b4c0769b722ebf6f7ada656751
SHA256 d54b98ace62fc4252c1b7f4a06166cbaa1f246183fb9ea36034b34c9bcd2dddc
SHA512 52d5291fdee71e36c724afdc6dfcf86ee17957e52cccbdb663285b5b2f4bfd9b8597e2cedf48f7faf0f17255c6544ae287e0d90c062f76451bc5fe994b39dcc4

memory/4828-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GE4VJ.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

MD5 9ebe3aa1206d9f36c65c95e454a253f9
SHA1 1311e776770555f829cbe11ce310155570d20354
SHA256 9ae0369f9ec00fb9e9d5f836b5393a38df13da15e8ed65c267edfd97a5264e99
SHA512 762ffefcd72461be6a7d43055dee7c6c3e43cc1372b9a93695e99579d69444cb6e84aa002e090e72c788d0100871db465d051e894745a93d9ff64f73e3f09b65

memory/2228-59-0x0000000000400000-0x0000000000744000-memory.dmp

memory/2228-60-0x0000000000400000-0x0000000000744000-memory.dmp

memory/2228-64-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-67-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-68-0x0000000000400000-0x0000000000744000-memory.dmp

memory/2360-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4828-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4504-71-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-74-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-75-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-78-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-81-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-84-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-85-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/4504-90-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-95-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-98-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-101-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-104-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-107-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-110-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-111-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/4504-112-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/4504-116-0x0000000000400000-0x0000000000744000-memory.dmp

memory/4504-119-0x0000000000400000-0x0000000000744000-memory.dmp