Malware Analysis Report

2025-08-10 13:49

Sample ID 240803-x4dacsxdlh
Target d0ed306e5ab9781e53f4caeaa5c591e0N.exe
SHA256 17df4bc816b0f19e2d43b1fae117e7485f5645a9ca4a869325716df4b9fc1160
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

17df4bc816b0f19e2d43b1fae117e7485f5645a9ca4a869325716df4b9fc1160

Threat Level: Known bad

The file d0ed306e5ab9781e53f4caeaa5c591e0N.exe was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 19:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 19:24

Reported

2024-08-03 19:26

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2696 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 2528 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 2528 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe

"C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe"

C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp

"C:\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp" /SL5="$400EE,4266694,54272,C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe"

C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

"C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe" -i

C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

"C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe" -s

Network

N/A

Files

memory/2696-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2696-3-0x0000000000401000-0x000000000040B000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-KKAD3.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp

MD5 6a2de76626d97ffff22e53bf15aeb6ba
SHA1 97d26161dbbb0717f67f1d56a5e3b360ce3419f6
SHA256 1ce7a372643d8785f01707d9ed13bb2de4199390bc61f9a3e08f68c9df934aa6
SHA512 88da913699adf639dde3f14059e4af86bf1071a6eccc62596cc3da82c145b939109b744981a6e52200d4a96aedf458b9edd15dd0fef73b99dbd3e85ce5c066dd

memory/2528-8-0x0000000000400000-0x00000000004BD000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-F09JN.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Temp\is-F09JN.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

\Users\Admin\AppData\Local\Temp\is-F09JN.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

MD5 6eba3c80ddb0a84ce2278a3b8b4e6eea
SHA1 2392c24b976644db800679ab6c22f846d7405488
SHA256 6496e44c678ce5a18d07258b615d1c3e5359e0d6122286e4a85d25949451e180
SHA512 b26e24eaa81ef79c5e36c97181a0b519a09bcb4de8a520f3247c45952cef51cf388054b93f5f101c2ae956e1ed4d93a6d7baea6c8213118bbe8260a5412942ac

memory/2528-59-0x00000000033A0000-0x0000000003760000-memory.dmp

memory/2328-60-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2328-61-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2328-64-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-66-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2696-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2528-69-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2652-70-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2528-71-0x00000000033A0000-0x0000000003760000-memory.dmp

memory/2652-74-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-77-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-80-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-83-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-86-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-87-0x00000000022F0000-0x0000000002392000-memory.dmp

memory/2652-93-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-96-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-99-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-102-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2652-105-0x0000000000400000-0x00000000007C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 19:24

Reported

2024-08-03 19:26

Platform

win10v2004-20240802-en

Max time kernel

112s

Max time network

92s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4560 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 4560 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 4560 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp
PID 1752 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 1752 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 1752 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 1752 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 1752 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe
PID 1752 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe

"C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe"

C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp

"C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp" /SL5="$5027E,4266694,54272,C:\Users\Admin\AppData\Local\Temp\d0ed306e5ab9781e53f4caeaa5c591e0N.exe"

C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

"C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe" -i

C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

"C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/4560-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4560-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-PP7UD.tmp\d0ed306e5ab9781e53f4caeaa5c591e0N.tmp

MD5 6a2de76626d97ffff22e53bf15aeb6ba
SHA1 97d26161dbbb0717f67f1d56a5e3b360ce3419f6
SHA256 1ce7a372643d8785f01707d9ed13bb2de4199390bc61f9a3e08f68c9df934aa6
SHA512 88da913699adf639dde3f14059e4af86bf1071a6eccc62596cc3da82c145b939109b744981a6e52200d4a96aedf458b9edd15dd0fef73b99dbd3e85ce5c066dd

memory/1752-12-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ME05J.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-ME05J.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer.exe

MD5 6eba3c80ddb0a84ce2278a3b8b4e6eea
SHA1 2392c24b976644db800679ab6c22f846d7405488
SHA256 6496e44c678ce5a18d07258b615d1c3e5359e0d6122286e4a85d25949451e180
SHA512 b26e24eaa81ef79c5e36c97181a0b519a09bcb4de8a520f3247c45952cef51cf388054b93f5f101c2ae956e1ed4d93a6d7baea6c8213118bbe8260a5412942ac

memory/2280-58-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2280-59-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2280-63-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/2280-61-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-66-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/4560-67-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1752-68-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/1936-69-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-72-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-75-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-78-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-81-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-84-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/1936-86-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-91-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-94-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-97-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-100-0x0000000000400000-0x00000000007C0000-memory.dmp

memory/1936-103-0x0000000000400000-0x00000000007C0000-memory.dmp