Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-rfa77sthpe
Target crt.exe
SHA256 6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be
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

6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be

Threat Level: Known bad

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

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Executes dropped EXE

Unexpected DNS network traffic destination

Loads dropped DLL

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

2024-06-25 14:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 14:07

Reported

2024-06-25 14:10

Platform

win7-20240220-en

Max time kernel

143s

Max time network

131s

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 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-HRILE.tmp\crt.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2792 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\crt.exe C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp
PID 2144 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 2144 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.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-HRILE.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-HRILE.tmp\crt.tmp" /SL5="$500F8,5052624,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s

Network

Country Destination Domain Proto
LT 91.211.247.248:53 bheuiyo.com udp
TR 94.156.8.80:80 bheuiyo.com tcp
RO 45.11.181.104:2023 tcp

Files

memory/2792-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/2792-0-0x0000000000400000-0x0000000000414000-memory.dmp

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

MD5 9a46eeaa9fb1370478ba7108b30aab2b
SHA1 045f0a44dd0f4710013a390da2865a2fac04389e
SHA256 71693251b98a555e6e01fcabf559218ad137f5de772218631147c3d87fc31820
SHA512 89ee61a63303ee11d77596e80e0abec6ede6c1fbba1b6bc6ee50991da335426b4fb0cc7d7a90c3c33d56dda222592a3090e771b9fcaef2f6e5951b78467fef66

memory/2144-12-0x0000000000400000-0x00000000004BA000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-I8BDI.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-I8BDI.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

MD5 9e75cd003585ff2f172a841d41ed6d75
SHA1 9d551f43cfeb84d1a585d53d2bdde8e17be436bc
SHA256 c576f2f3581928de1e62be3e4efff1b5c5415e89c3bdc0cd5536ce41a781c370
SHA512 817c32c8943325d27723274425c4fa5c3fb7f36c52a2c85f8038e956033edf96b5d9340df3238865b706fffd8094b1ba3e940bcc17e2feae24d1b15fe2fac67c

memory/2144-64-0x0000000005A10000-0x0000000005D48000-memory.dmp

memory/2596-65-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2596-66-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2596-70-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-72-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2792-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2144-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2604-76-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-79-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2144-80-0x0000000005A10000-0x0000000005D48000-memory.dmp

memory/2604-83-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-86-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-89-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-92-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-93-0x00000000023C0000-0x0000000002462000-memory.dmp

memory/2604-99-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-102-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-105-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-108-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-111-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-114-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-115-0x00000000023C0000-0x0000000002462000-memory.dmp

memory/2604-116-0x00000000023C0000-0x0000000002462000-memory.dmp

memory/2604-120-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2604-123-0x0000000000400000-0x0000000000738000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 14:07

Reported

2024-06-25 14:10

Platform

win10-20240404-en

Max time kernel

142s

Max time network

135s

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-0BO17.tmp\crt.tmp N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
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-0BO17.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-0BO17.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-0BO17.tmp\crt.tmp" /SL5="$70214,5052624,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
LT 91.211.247.248:53 bfuzipi.com udp
TR 94.156.8.80:80 bfuzipi.com tcp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.7.f.3.d.b.5.ip6.arpa udp
FR 62.210.204.81:2023 tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 81.204.210.62.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

memory/1448-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/1448-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0BO17.tmp\crt.tmp

MD5 9a46eeaa9fb1370478ba7108b30aab2b
SHA1 045f0a44dd0f4710013a390da2865a2fac04389e
SHA256 71693251b98a555e6e01fcabf559218ad137f5de772218631147c3d87fc31820
SHA512 89ee61a63303ee11d77596e80e0abec6ede6c1fbba1b6bc6ee50991da335426b4fb0cc7d7a90c3c33d56dda222592a3090e771b9fcaef2f6e5951b78467fef66

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/524-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

MD5 9e75cd003585ff2f172a841d41ed6d75
SHA1 9d551f43cfeb84d1a585d53d2bdde8e17be436bc
SHA256 c576f2f3581928de1e62be3e4efff1b5c5415e89c3bdc0cd5536ce41a781c370
SHA512 817c32c8943325d27723274425c4fa5c3fb7f36c52a2c85f8038e956033edf96b5d9340df3238865b706fffd8094b1ba3e940bcc17e2feae24d1b15fe2fac67c

memory/1712-59-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1712-60-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1712-64-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-67-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1448-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/524-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4136-70-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-73-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-76-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-79-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-82-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-85-0x00000000009B0000-0x0000000000A52000-memory.dmp

memory/4136-87-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-92-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-95-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-98-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-101-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-104-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-107-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-109-0x00000000009B0000-0x0000000000A52000-memory.dmp

memory/4136-108-0x00000000009B0000-0x0000000000A52000-memory.dmp

memory/4136-113-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4136-116-0x0000000000400000-0x0000000000738000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-25 14:07

Reported

2024-06-25 14:10

Platform

win10v2004-20240611-en

Max time kernel

143s

Max time network

143s

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

Loads dropped DLL

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

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

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

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

"C:\Users\Admin\AppData\Local\Temp\is-IQTDS.tmp\crt.tmp" /SL5="$8020A,5052624,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 2.17.107.105:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 105.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
RU 152.89.198.214:53 eberzge.ua udp
TR 94.156.8.80:80 eberzge.ua tcp
FR 62.210.204.81:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 81.204.210.62.in-addr.arpa udp

Files

memory/3776-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3776-2-0x0000000000401000-0x000000000040B000-memory.dmp

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

MD5 9a46eeaa9fb1370478ba7108b30aab2b
SHA1 045f0a44dd0f4710013a390da2865a2fac04389e
SHA256 71693251b98a555e6e01fcabf559218ad137f5de772218631147c3d87fc31820
SHA512 89ee61a63303ee11d77596e80e0abec6ede6c1fbba1b6bc6ee50991da335426b4fb0cc7d7a90c3c33d56dda222592a3090e771b9fcaef2f6e5951b78467fef66

memory/3812-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-TQ1OL.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

MD5 9e75cd003585ff2f172a841d41ed6d75
SHA1 9d551f43cfeb84d1a585d53d2bdde8e17be436bc
SHA256 c576f2f3581928de1e62be3e4efff1b5c5415e89c3bdc0cd5536ce41a781c370
SHA512 817c32c8943325d27723274425c4fa5c3fb7f36c52a2c85f8038e956033edf96b5d9340df3238865b706fffd8094b1ba3e940bcc17e2feae24d1b15fe2fac67c

memory/3192-59-0x0000000000400000-0x0000000000738000-memory.dmp

memory/3192-60-0x0000000000400000-0x0000000000738000-memory.dmp

memory/3192-65-0x0000000000400000-0x0000000000738000-memory.dmp

memory/3192-64-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-68-0x0000000000400000-0x0000000000738000-memory.dmp

memory/3776-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3812-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1124-71-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-74-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-77-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-80-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-83-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-86-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/1124-90-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-93-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-96-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-99-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-102-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-105-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-108-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-109-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/1124-110-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/1124-114-0x0000000000400000-0x0000000000738000-memory.dmp

memory/1124-117-0x0000000000400000-0x0000000000738000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-25 14:07

Reported

2024-06-25 14:10

Platform

win11-20240419-en

Max time kernel

141s

Max time network

126s

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

Socks5Systemz

botnet socks5systemz

Loads dropped DLL

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

Unexpected DNS network traffic destination

Description Indicator Process Target
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-FTVDA.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-FTVDA.tmp\crt.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FTVDA.tmp\crt.tmp" /SL5="$40216,5052624,54272,C:\Users\Admin\AppData\Local\Temp\crt.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s

Network

Country Destination Domain Proto
LT 91.211.247.248:53 ccusuvq.net udp
TR 94.156.8.80:80 ccusuvq.net tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp

Files

memory/2440-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2440-2-0x0000000000401000-0x000000000040B000-memory.dmp

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

MD5 9a46eeaa9fb1370478ba7108b30aab2b
SHA1 045f0a44dd0f4710013a390da2865a2fac04389e
SHA256 71693251b98a555e6e01fcabf559218ad137f5de772218631147c3d87fc31820
SHA512 89ee61a63303ee11d77596e80e0abec6ede6c1fbba1b6bc6ee50991da335426b4fb0cc7d7a90c3c33d56dda222592a3090e771b9fcaef2f6e5951b78467fef66

memory/2768-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

MD5 9e75cd003585ff2f172a841d41ed6d75
SHA1 9d551f43cfeb84d1a585d53d2bdde8e17be436bc
SHA256 c576f2f3581928de1e62be3e4efff1b5c5415e89c3bdc0cd5536ce41a781c370
SHA512 817c32c8943325d27723274425c4fa5c3fb7f36c52a2c85f8038e956033edf96b5d9340df3238865b706fffd8094b1ba3e940bcc17e2feae24d1b15fe2fac67c

memory/860-60-0x0000000000400000-0x0000000000738000-memory.dmp

memory/860-64-0x0000000000400000-0x0000000000738000-memory.dmp

memory/860-63-0x0000000000400000-0x0000000000738000-memory.dmp

memory/860-59-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-67-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-68-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2440-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2768-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2344-71-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-73-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-75-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-78-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-81-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-84-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-85-0x0000000000B00000-0x0000000000BA2000-memory.dmp

memory/2344-88-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-94-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-97-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-100-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-103-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-106-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-109-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-113-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2344-116-0x0000000000400000-0x0000000000738000-memory.dmp