Malware Analysis Report

2025-01-22 18:55

Sample ID 240307-y4mpgadg5y
Target b9910483a93ce128340c2c8f52f707f9
SHA256 270905ca19b8c1e8b9d2032a38338158d4e0fcf898eb0e0179e18dab080d22b5
Tags
gozi banker isfb trojan upx
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

270905ca19b8c1e8b9d2032a38338158d4e0fcf898eb0e0179e18dab080d22b5

Threat Level: Known bad

The file b9910483a93ce128340c2c8f52f707f9 was found to be: Known bad.

Malicious Activity Summary

gozi banker isfb trojan upx

Gozi

Gozi family

Loads dropped DLL

UPX packed file

Deletes itself

Executes dropped EXE

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-07 20:20

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

2024-03-07 20:20

Reported

2024-03-07 20:23

Platform

win7-20240221-en

Max time kernel

117s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.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
N/A N/A N/A N/A
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\b9910483a93ce128340c2c8f52f707f9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

"C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe"

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com 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

Files

memory/1688-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/1688-1-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/1688-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

MD5 5cea88f04ca9ddf9f0d17560a8db90e2
SHA1 e4f4882199ae4f20b6046ddca8544dc1b79a8a04
SHA256 e843be1eab91a2d151dc2048cc7750c480acd09c397f1986bed9201c4afffcf1
SHA512 2ba2abb3df8508287dde9ecf727f9f58631977fc65f09e6d5f208b28e9babec281a1e66e8058b1eb5fac10d48ebe211d4bfeaf1434cc5d10aba67f6e67ac0809

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

MD5 fd98e9c0c4dc5aec919b371e39c77811
SHA1 3f5488e7099524819512361a3e3c69ba631f5488
SHA256 b261a3d9181f80906f110c6cc0e8128157d73668231e50c3d5fc1bba379852da
SHA512 abbec6112b295791a16f770c992cc0e43789aa0f8706b190917a4877b4fef7438e2050882c4ef57edae6474c214dabb5e9404d18fbc0a0e87e062ebdb9066d25

memory/2532-16-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/1688-14-0x0000000003980000-0x0000000003E6F000-memory.dmp

memory/1688-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2532-18-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2532-17-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/2532-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2532-26-0x0000000003570000-0x000000000379A000-memory.dmp

memory/2532-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-07 20:20

Reported

2024-03-07 20:23

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.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
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\b9910483a93ce128340c2c8f52f707f9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

"C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe"

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.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 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 183.1.37.23.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 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 141.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 84.65.42.20.in-addr.arpa udp

Files

memory/408-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/408-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/408-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b9910483a93ce128340c2c8f52f707f9.exe

MD5 fcb8777b957d53ed550d8fddf679e366
SHA1 24cb09963fc05b21aea607f0b72c4b177f41fcbe
SHA256 d55269f643929b78c8229244f05356641d3ae67e11a822527f3ffb5552f4bade
SHA512 3275190bfe5306e77348e737ee993e056d25905f2619ea3c6237a42f2ddfe031c02d347646114da84ed57315651308ab397b099520ba0072f42611ba8331ab9a

memory/812-14-0x0000000001D40000-0x0000000001E73000-memory.dmp

memory/812-15-0x0000000000400000-0x000000000062A000-memory.dmp

memory/812-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/408-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/812-20-0x0000000000400000-0x000000000061D000-memory.dmp

memory/812-23-0x0000000005640000-0x000000000586A000-memory.dmp

memory/812-28-0x0000000000400000-0x00000000008EF000-memory.dmp