Malware Analysis Report

2025-08-10 18:20

Sample ID 220208-t28fyaafgq
Target c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c
SHA256 c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c
Tags
upx gozi_ifsb
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

c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c

Threat Level: Known bad

The file c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c was found to be: Known bad.

Malicious Activity Summary

upx gozi_ifsb

Gozi_ifsb family

UPX packed file

Executes dropped EXE

Checks computer location settings

Drops file in Windows directory

Drops file in Program Files directory

Enumerates physical storage devices

Modifies data under HKEY_USERS

Checks processor information in registry

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-08 16:34

Signatures

Gozi_ifsb family

gozi_ifsb

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-08 16:34

Reported

2022-02-08 18:13

Platform

win7-en-20211208

Max time kernel

124s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Photodex\ProShow Producer\all.dnt C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer\if.dnt C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File created C:\Program Files\Photodex\ProShow Producer\pshow.dnt C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer\pshow.dnt C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File created C:\Program Files\Photodex\ProShow Producer\__tmp_rar_sfx_access_check_259427868 C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer\all.dnt C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A
File created C:\Program Files\Photodex\ProShow Producer\if.dnt C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A

Enumerates physical storage devices

Suspicious behavior: CmdExeWriteProcessMemorySpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe

"C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\697D.tmp\69AC.bat C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"

C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe

2.exe

Network

N/A

Files

memory/1692-54-0x00000000754B1000-0x00000000754B3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\697D.tmp\69AC.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe

MD5 ce4a2ccf9757f4ed697301df8dbbb732
SHA1 f7651c573ba114283b5e9dc5acf09d0ab3a804e3
SHA256 6e867f9674a32cfc3c9815c6b440d223924c8154889600a9dd87e447719369ad
SHA512 1dc04387e2b297b8b61bbacfd553bf70012af8d618d7719f79c6616b4d75b171ffb6f6e33aa9dc64e40ed7c30a9dcf364e278a02a32b234a2018b2c836b3ca01

C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe

MD5 ce4a2ccf9757f4ed697301df8dbbb732
SHA1 f7651c573ba114283b5e9dc5acf09d0ab3a804e3
SHA256 6e867f9674a32cfc3c9815c6b440d223924c8154889600a9dd87e447719369ad
SHA512 1dc04387e2b297b8b61bbacfd553bf70012af8d618d7719f79c6616b4d75b171ffb6f6e33aa9dc64e40ed7c30a9dcf364e278a02a32b234a2018b2c836b3ca01

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-08 16:34

Reported

2022-02-08 18:13

Platform

win10v2004-en-20220112

Max time kernel

155s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Photodex\ProShow Producer\if.dnt C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File created C:\Program Files\Photodex\ProShow Producer\pshow.dnt C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer\pshow.dnt C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File created C:\Program Files\Photodex\ProShow Producer\__tmp_rar_sfx_access_check_30274906 C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File created C:\Program Files\Photodex\ProShow Producer\all.dnt C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer\all.dnt C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A
File opened for modification C:\Program Files\Photodex\ProShow Producer\if.dnt C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat C:\Windows\System32\svchost.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\MusNotifyIcon.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\MusNotifyIcon.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.158102" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132889939018192106" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" C:\Windows\System32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe

"C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\C438.tmp\C439.bat C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"

C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe

2.exe

C:\Windows\system32\MusNotifyIcon.exe

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k NetworkService -p

Network

Country Destination Domain Proto
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
NL 104.80.224.57:443 tcp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.137.103.130:443 geo.prod.do.dsp.mp.microsoft.com tcp
US 8.8.8.8:53 kv801.prod.do.dsp.mp.microsoft.com udp
NL 184.29.205.60:443 kv801.prod.do.dsp.mp.microsoft.com tcp
NL 184.29.205.60:443 kv801.prod.do.dsp.mp.microsoft.com tcp

Files

C:\Users\Admin\AppData\Local\Temp\C438.tmp\C439.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe

MD5 ce4a2ccf9757f4ed697301df8dbbb732
SHA1 f7651c573ba114283b5e9dc5acf09d0ab3a804e3
SHA256 6e867f9674a32cfc3c9815c6b440d223924c8154889600a9dd87e447719369ad
SHA512 1dc04387e2b297b8b61bbacfd553bf70012af8d618d7719f79c6616b4d75b171ffb6f6e33aa9dc64e40ed7c30a9dcf364e278a02a32b234a2018b2c836b3ca01

C:\Users\Admin\AppData\Local\Temp\C438.tmp\2.exe

MD5 ce4a2ccf9757f4ed697301df8dbbb732
SHA1 f7651c573ba114283b5e9dc5acf09d0ab3a804e3
SHA256 6e867f9674a32cfc3c9815c6b440d223924c8154889600a9dd87e447719369ad
SHA512 1dc04387e2b297b8b61bbacfd553bf70012af8d618d7719f79c6616b4d75b171ffb6f6e33aa9dc64e40ed7c30a9dcf364e278a02a32b234a2018b2c836b3ca01