Malware Analysis Report

2025-08-05 10:42

Sample ID 240811-z5mxasydpk
Target crt.exe
SHA256 0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455

Threat Level: Known bad

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

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Unexpected DNS network traffic destination

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

2024-08-11 21:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 21:18

Reported

2024-08-11 21:20

Platform

win10-20240404-en

Max time kernel

142s

Max time network

144s

Command Line

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

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\crt.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp N/A

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp" /SL5="$80222,3880008,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s

Network

Country Destination Domain Proto
SE 45.155.250.90:53 bvipedl.com udp
CH 185.196.8.214:80 bvipedl.com tcp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.5.a.f.b.9.d.2.ip6.arpa udp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp
US 8.8.8.8:53 96.23.156.45.in-addr.arpa udp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
NL 45.156.23.96:2023 tcp

Files

memory/2840-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2840-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-JF6DO.tmp\crt.tmp

MD5 00f15ee57af82fc40ac1ec609d1810a4
SHA1 6abfae4f73ade5af54d267c02389daf49abd6a51
SHA256 20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512 f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

\Users\Admin\AppData\Local\Temp\is-H42T6.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

memory/1028-18-0x0000000000400000-0x00000000004BD000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-H42T6.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

MD5 0ce21a5f4358ff7d673e423c229b6ef5
SHA1 4244e89af3f2aa98dd5ea6fd70d8704b29f9b1c5
SHA256 950eb214c8aaa1aef01266126441cb55ab8216bf0989778f2f1973af02ead85b
SHA512 af2665c210c9b0e11dc25cd4c05c4255e9f2195756bdb060e9ed3ea0065600114cdf09f165127bc9d52ee489b2eea2c52a67d8c0679eb9eb4e36fa359e467f95

memory/3940-58-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3940-59-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3940-62-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2840-65-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1028-66-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/1868-67-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-70-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-73-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-76-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-79-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-80-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1868-84-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-89-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-92-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-95-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-98-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-101-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-104-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-107-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1868-108-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1868-109-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1868-110-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1868-114-0x0000000000400000-0x000000000074A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 21:18

Reported

2024-08-11 21:20

Platform

win7-20240729-en

Max time kernel

150s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\crt.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 152.89.198.214 N/A N/A

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\crt.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2716 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp
PID 2236 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
PID 2236 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp" /SL5="$D0150,3880008,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 ezhdzow.ua udp
CH 185.196.8.214:80 ezhdzow.ua tcp
NL 45.156.23.96:2023 tcp

Files

memory/2716-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2716-3-0x0000000000401000-0x000000000040B000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-K10TN.tmp\crt.tmp

MD5 00f15ee57af82fc40ac1ec609d1810a4
SHA1 6abfae4f73ade5af54d267c02389daf49abd6a51
SHA256 20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512 f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

memory/2236-15-0x0000000000400000-0x00000000004BD000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-HHL54.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

\Users\Admin\AppData\Local\Temp\is-HHL54.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-HHL54.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

MD5 0ce21a5f4358ff7d673e423c229b6ef5
SHA1 4244e89af3f2aa98dd5ea6fd70d8704b29f9b1c5
SHA256 950eb214c8aaa1aef01266126441cb55ab8216bf0989778f2f1973af02ead85b
SHA512 af2665c210c9b0e11dc25cd4c05c4255e9f2195756bdb060e9ed3ea0065600114cdf09f165127bc9d52ee489b2eea2c52a67d8c0679eb9eb4e36fa359e467f95

memory/2236-59-0x0000000004AE0000-0x0000000004E2A000-memory.dmp

memory/2760-60-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2760-61-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2760-64-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2236-66-0x0000000004AE0000-0x0000000004E2A000-memory.dmp

memory/2716-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2236-70-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2644-73-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2236-74-0x0000000004AE0000-0x0000000004E2A000-memory.dmp

memory/2644-77-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-78-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-83-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-86-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-89-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-90-0x00000000022B0000-0x0000000002352000-memory.dmp

memory/2644-94-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-99-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-102-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-104-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-106-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-111-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-112-0x00000000022B0000-0x0000000002352000-memory.dmp

memory/2644-113-0x00000000022B0000-0x0000000002352000-memory.dmp

memory/2644-117-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2644-118-0x0000000000400000-0x000000000074A000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-08-11 21:18

Reported

2024-08-11 21:20

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\crt.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 152.89.198.214 N/A N/A

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\crt.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp N/A

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp" /SL5="$50274,3880008,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 22.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 152.89.198.214:53 erjfziv.ua udp
CH 185.196.8.214:80 erjfziv.ua tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp
US 8.8.8.8:53 96.23.156.45.in-addr.arpa udp

Files

memory/1436-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1436-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LKCN2.tmp\crt.tmp

MD5 00f15ee57af82fc40ac1ec609d1810a4
SHA1 6abfae4f73ade5af54d267c02389daf49abd6a51
SHA256 20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512 f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

C:\Users\Admin\AppData\Local\Temp\is-HHH63.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

memory/100-19-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HHH63.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

MD5 0ce21a5f4358ff7d673e423c229b6ef5
SHA1 4244e89af3f2aa98dd5ea6fd70d8704b29f9b1c5
SHA256 950eb214c8aaa1aef01266126441cb55ab8216bf0989778f2f1973af02ead85b
SHA512 af2665c210c9b0e11dc25cd4c05c4255e9f2195756bdb060e9ed3ea0065600114cdf09f165127bc9d52ee489b2eea2c52a67d8c0679eb9eb4e36fa359e467f95

memory/2920-59-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2920-58-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2920-63-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2920-62-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1436-66-0x0000000000400000-0x0000000000414000-memory.dmp

memory/100-67-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2916-68-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-71-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-74-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-77-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-80-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-83-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/2916-85-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-90-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-93-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-96-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-99-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-102-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-105-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-108-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-111-0x0000000000400000-0x000000000074A000-memory.dmp

memory/2916-113-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/2916-112-0x0000000000A10000-0x0000000000AB2000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-08-11 21:18

Reported

2024-08-11 21:20

Platform

win11-20240802-en

Max time kernel

142s

Max time network

154s

Command Line

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

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\XULPlayer\xulplayer32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\crt.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp N/A

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp" /SL5="$500E0,3880008,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s

Network

Country Destination Domain Proto
SE 45.155.250.90:53 bnvtmof.com udp
CH 185.196.8.214:80 bnvtmof.com tcp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp

Files

memory/1636-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1636-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-DIH57.tmp\crt.tmp

MD5 00f15ee57af82fc40ac1ec609d1810a4
SHA1 6abfae4f73ade5af54d267c02389daf49abd6a51
SHA256 20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512 f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

memory/4708-13-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-PDHG7.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-PDHG7.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

MD5 0ce21a5f4358ff7d673e423c229b6ef5
SHA1 4244e89af3f2aa98dd5ea6fd70d8704b29f9b1c5
SHA256 950eb214c8aaa1aef01266126441cb55ab8216bf0989778f2f1973af02ead85b
SHA512 af2665c210c9b0e11dc25cd4c05c4255e9f2195756bdb060e9ed3ea0065600114cdf09f165127bc9d52ee489b2eea2c52a67d8c0679eb9eb4e36fa359e467f95

memory/408-63-0x0000000000400000-0x000000000074A000-memory.dmp

memory/408-62-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-65-0x0000000000400000-0x000000000074A000-memory.dmp

memory/408-58-0x0000000000400000-0x000000000074A000-memory.dmp

memory/408-59-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-67-0x0000000000400000-0x000000000074A000-memory.dmp

memory/1636-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4708-69-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3516-70-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-73-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-74-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-77-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-80-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-83-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-86-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/3516-89-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-94-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-97-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-100-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-103-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-106-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-109-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-112-0x0000000000400000-0x000000000074A000-memory.dmp

memory/3516-113-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/3516-114-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/3516-118-0x0000000000400000-0x000000000074A000-memory.dmp