Malware Analysis Report

2025-01-22 18:51

Sample ID 240312-p647vsbd56
Target c36c3af41b4eb20c005740c994139e9a
SHA256 8ed19ec2bde9f56c36fadac02ff09f766dcd672a42890c85aa6454e18cfb4933
Tags
upx isfb gozi
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

8ed19ec2bde9f56c36fadac02ff09f766dcd672a42890c85aa6454e18cfb4933

Threat Level: Known bad

The file c36c3af41b4eb20c005740c994139e9a was found to be: Known bad.

Malicious Activity Summary

upx isfb gozi

Gozi family

Loads dropped DLL

Deletes itself

Executes dropped EXE

UPX packed file

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-12 12:57

Signatures

Gozi family

gozi

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-12 12:57

Reported

2024-03-12 13:00

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

UPX packed file

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

"C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe"

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 104.21.20.204:80 yxeepsek.net tcp

Files

memory/2904-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2904-2-0x0000000001B10000-0x0000000001C41000-memory.dmp

memory/2904-1-0x0000000000400000-0x0000000000622000-memory.dmp

\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

MD5 f030b513f9831a3987d23c066109d038
SHA1 fa68ec694c1c2246fb7689650a955dcea89d51b3
SHA256 c4b8bb85b4f11ca8d2d6dc96d6fa1249ad3c59e6cd48ef3059de1861857f1787
SHA512 bd842a6c324c6d866550fc8f61363ee056ec51998b0f8e47d5471c6cf2526040b2cb750f4f78c246f28aaa59b96c8eb5d02643fe9c8cf407ac9f8ed72187877d

memory/2904-13-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2904-16-0x0000000003760000-0x0000000003C47000-memory.dmp

memory/2944-15-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2944-19-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2944-21-0x0000000000130000-0x0000000000261000-memory.dmp

memory/2944-23-0x0000000000400000-0x0000000000616000-memory.dmp

memory/2944-24-0x0000000003570000-0x0000000003792000-memory.dmp

memory/2904-31-0x0000000003760000-0x0000000003C47000-memory.dmp

memory/2944-32-0x0000000000400000-0x00000000008E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-12 12:57

Reported

2024-03-12 13:00

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

UPX packed file

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

"C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe"

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 50.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 56.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp

Files

memory/4068-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/4068-1-0x00000000018F0000-0x0000000001A21000-memory.dmp

memory/4068-2-0x0000000000400000-0x0000000000622000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c36c3af41b4eb20c005740c994139e9a.exe

MD5 f3b866c38121f07f36cd8ec3c8d3eae8
SHA1 2419255a198d3c8ebc1639acfce8b4d4c18acb1e
SHA256 6e0a075322cb6aaf7fdce52be3a4d0a205f4d1c0ff801e10e2e0c66ae6b41d94
SHA512 5654791166be87301994c4f588067402961dd8b9037341d7cc825d13056489f1170d9b1fd6e039d0ce8289c32e7aa1acb101b216dbf4c916b3e9d063abac7a40

memory/4068-12-0x0000000000400000-0x0000000000622000-memory.dmp

memory/4164-14-0x0000000000400000-0x0000000000622000-memory.dmp

memory/4164-16-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/4164-13-0x0000000001DA0000-0x0000000001ED1000-memory.dmp

memory/4164-20-0x0000000000400000-0x0000000000616000-memory.dmp

memory/4164-21-0x0000000005690000-0x00000000058B2000-memory.dmp

memory/4164-28-0x0000000000400000-0x00000000008E7000-memory.dmp