Malware Analysis Report

2025-06-16 04:53

Sample ID 220612-2s73taeeb8
Target 1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9
SHA256 1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9
Tags
gozi_ifsb banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9

Threat Level: Known bad

The file 1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9 was found to be: Known bad.

Malicious Activity Summary

gozi_ifsb banker persistence trojan

Gozi, Gozi IFSB

Executes dropped EXE

Loads dropped DLL

Unexpected DNS network traffic destination

Deletes itself

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-12 22:51

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-12 22:51

Reported

2022-06-13 04:38

Platform

win7-20220414-en

Max time kernel

139s

Max time network

141s

Command Line

C:\Windows\Explorer.EXE

Signatures

Gozi, Gozi IFSB

banker trojan gozi_ifsb

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 208.67.222.222 N/A N/A
Destination IP 208.67.222.222 N/A N/A
Destination IP 208.67.222.222 N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\actian32 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\COLOorui\\bidiprov.exe" C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2028 set thread context of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 1956 set thread context of 1268 N/A C:\Windows\system32\svchost.exe C:\Windows\Explorer.EXE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe N/A
N/A N/A C:\Windows\system32\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1732 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 2028 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe C:\Windows\system32\svchost.exe
PID 1956 wrote to memory of 1268 N/A C:\Windows\system32\svchost.exe C:\Windows\Explorer.EXE
PID 1956 wrote to memory of 1268 N/A C:\Windows\system32\svchost.exe C:\Windows\Explorer.EXE
PID 1956 wrote to memory of 1268 N/A C:\Windows\system32\svchost.exe C:\Windows\Explorer.EXE
PID 1268 wrote to memory of 1276 N/A C:\Windows\Explorer.EXE C:\Windows\system32\cmd.exe
PID 1268 wrote to memory of 1276 N/A C:\Windows\Explorer.EXE C:\Windows\system32\cmd.exe
PID 1268 wrote to memory of 1276 N/A C:\Windows\Explorer.EXE C:\Windows\system32\cmd.exe
PID 1276 wrote to memory of 1444 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\nslookup.exe
PID 1276 wrote to memory of 1444 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\nslookup.exe
PID 1276 wrote to memory of 1444 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\nslookup.exe
PID 1268 wrote to memory of 1820 N/A C:\Windows\Explorer.EXE C:\Windows\system32\cmd.exe
PID 1268 wrote to memory of 1820 N/A C:\Windows\Explorer.EXE C:\Windows\system32\cmd.exe
PID 1268 wrote to memory of 1820 N/A C:\Windows\Explorer.EXE C:\Windows\system32\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe

"C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\A725\E57A.bat" "C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe" "C:\Users\Admin\AppData\Local\Temp\1DF5BB~1.EXE""

C:\Windows\SysWOW64\cmd.exe

cmd /C ""C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe" "C:\Users\Admin\AppData\Local\Temp\1DF5BB~1.EXE""

C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe

"C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe" "C:\Users\Admin\AppData\Local\Temp\1DF5BB~1.EXE"

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe

C:\Windows\system32\cmd.exe

cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\7658.bi1"

C:\Windows\system32\nslookup.exe

nslookup myip.opendns.com resolver1.opendns.com

C:\Windows\system32\cmd.exe

cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\7658.bi1"

Network

Country Destination Domain Proto
US 8.8.8.8:53 evastrutzmann.at udp
FI 95.216.246.27:80 evastrutzmann.at tcp
US 8.8.8.8:53 enzocioppa.it udp
IT 185.205.40.92:80 enzocioppa.it tcp
US 8.8.8.8:53 edv-zander.de udp
DE 91.247.145.79:80 edv-zander.de tcp
US 8.8.8.8:53 vogelpraxis.de udp
DE 81.169.145.95:80 vogelpraxis.de tcp
DE 81.169.145.95:443 vogelpraxis.de tcp
DE 81.169.145.95:443 vogelpraxis.de tcp
US 8.8.8.8:53 drevotvarbystre.cz udp
CZ 217.31.49.106:80 drevotvarbystre.cz tcp
US 8.8.8.8:53 duraleu.it udp
US 8.8.8.8:53 weartum.at udp
US 8.8.8.8:53 resolver1.opendns.com udp
US 208.67.222.222:53 resolver1.opendns.com udp
US 208.67.222.222:53 resolver1.opendns.com udp
US 208.67.222.222:53 resolver1.opendns.com udp
US 8.8.8.8:53 niolan.at udp

Files

memory/1732-54-0x00000000750C1000-0x00000000750C3000-memory.dmp

memory/1732-56-0x0000000000400000-0x000000000049B000-memory.dmp

memory/1732-55-0x00000000001C0000-0x000000000021C000-memory.dmp

memory/1708-57-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\A725\E57A.bat

MD5 110540422d22cddcdb1f375643345e28
SHA1 40ba44d9f9e35c1d25e6339df64bd543da66bfc0
SHA256 31767e8cb3742bf5126022eb9a713e2e91131ee909ec7713d92fb5930abac3c2
SHA512 6871e1ebbfed20969f6bfd73f3ba65f01843c18811399f31188010a357cb5a666696a181130b37c50821acb6ed37837cbe76dde49294c2368d7787b3eb45e036

memory/2016-59-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe

MD5 ad75aa67ed2a0092901c74856ccf26d8
SHA1 2eb24c6044442e90cf309cee62e7acc989e47405
SHA256 1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9
SHA512 aa15086950eb5e4aa342a21f3e7b2d684fd151e78f99e6cda920e086591a95cbcb0f1eb1fb4600e7d6562429e120fb8376b3ed8d2b852ec77ae81d330a2563ff

memory/2028-62-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe

MD5 ad75aa67ed2a0092901c74856ccf26d8
SHA1 2eb24c6044442e90cf309cee62e7acc989e47405
SHA256 1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9
SHA512 aa15086950eb5e4aa342a21f3e7b2d684fd151e78f99e6cda920e086591a95cbcb0f1eb1fb4600e7d6562429e120fb8376b3ed8d2b852ec77ae81d330a2563ff

C:\Users\Admin\AppData\Roaming\MICROS~1\COLOorui\bidiprov.exe

MD5 ad75aa67ed2a0092901c74856ccf26d8
SHA1 2eb24c6044442e90cf309cee62e7acc989e47405
SHA256 1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9
SHA512 aa15086950eb5e4aa342a21f3e7b2d684fd151e78f99e6cda920e086591a95cbcb0f1eb1fb4600e7d6562429e120fb8376b3ed8d2b852ec77ae81d330a2563ff

memory/2028-65-0x0000000000400000-0x000000000049B000-memory.dmp

memory/1956-66-0x0000000000000000-mapping.dmp

memory/2028-67-0x0000000000400000-0x000000000049B000-memory.dmp

memory/1956-68-0x00000000000D0000-0x0000000000162000-memory.dmp

memory/1956-69-0x00000000000D0000-0x0000000000162000-memory.dmp

memory/1268-70-0x0000000004970000-0x0000000004A02000-memory.dmp

memory/1276-71-0x0000000000000000-mapping.dmp

memory/1444-72-0x0000000000000000-mapping.dmp

memory/1820-73-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\7658.bi1

MD5 ace7e9f29953c4fbd6a930b50f792079
SHA1 97511e3438221ac9c30944fca7b91e87978c1248
SHA256 58b498e17cfc59584aae9620ca60d657e3691c7bfc1896e581f3f9292390bfd8
SHA512 5dc35105667f0e1231fd21b85a7dbc65f207251efbbe173545d8f0172272b0ad68cc084514f8b034b998194a4e63b29ffb862243c65bf14ab0eba3ee2d081106

C:\Users\Admin\AppData\Local\Temp\7658.bi1

MD5 ace7e9f29953c4fbd6a930b50f792079
SHA1 97511e3438221ac9c30944fca7b91e87978c1248
SHA256 58b498e17cfc59584aae9620ca60d657e3691c7bfc1896e581f3f9292390bfd8
SHA512 5dc35105667f0e1231fd21b85a7dbc65f207251efbbe173545d8f0172272b0ad68cc084514f8b034b998194a4e63b29ffb862243c65bf14ab0eba3ee2d081106

memory/1268-76-0x0000000004970000-0x0000000004A02000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-12 22:51

Reported

2022-06-13 04:38

Platform

win10v2004-20220414-en

Max time kernel

169s

Max time network

204s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe

"C:\Users\Admin\AppData\Local\Temp\1df5bbc1cff3a247d6c3c11980b0118986e74e17e7f3836b3dea87e6f09545e9.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1968 -ip 1968

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 492

Network

Country Destination Domain Proto
US 20.189.173.7:443 tcp
IE 20.54.89.15:443 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
US 8.8.8.8:53 2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/1968-130-0x0000000002240000-0x000000000229C000-memory.dmp