Malware Analysis Report

2025-08-10 18:19

Sample ID 220207-scwv6sddbj
Target b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206
SHA256 b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206
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

b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206

Threat Level: Known bad

The file b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206 was found to be: Known bad.

Malicious Activity Summary

upx gozi_ifsb

Gozi_ifsb family

Executes dropped EXE

UPX packed file

Checks computer location settings

Drops file in Program Files directory

Drops file in Windows directory

Enumerates physical storage devices

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of WriteProcessMemory

Checks processor information in registry

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-07 14:59

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

2022-02-07 14:59

Reported

2022-02-07 15:14

Platform

win7-en-20211208

Max time kernel

128s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Winstep\unins000.dat C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File created C:\Program Files\Winstep\__tmp_rar_sfx_access_check_229009 C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\unins000.exe C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File created C:\Program Files\Winstep\WorkShelf.exe C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\WorkShelf.exe C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\unins000.dat C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File created C:\Program Files\Winstep\Nextstart.exe C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\Nextstart.exe C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe N/A
File created C:\Program Files\Winstep\unins000.exe C:\Users\Admin\AppData\Local\Temp\5733.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\5733.tmp\2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe

"C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\5733.tmp\5754.bat C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe"

C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe

2.exe

Network

N/A

Files

memory/2020-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\5733.tmp\5754.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe

MD5 88881c0ec15e53b3421feec3639941e6
SHA1 1b5b7e00a3426175fed4f5ca45b4e61bd88159b4
SHA256 2749ca74803877562401a43e3feaaad45c3c8ef87a187f4a20c8723daea7047a
SHA512 71b068039f10faf0de91984f0e0f54ddfb34bb6fd317f03872245199c9461a5a670cb21567eba2d4ba905a05a9a69f26326a662a90598d0f510c65e00d662d59

C:\Users\Admin\AppData\Local\Temp\5733.tmp\2.exe

MD5 88881c0ec15e53b3421feec3639941e6
SHA1 1b5b7e00a3426175fed4f5ca45b4e61bd88159b4
SHA256 2749ca74803877562401a43e3feaaad45c3c8ef87a187f4a20c8723daea7047a
SHA512 71b068039f10faf0de91984f0e0f54ddfb34bb6fd317f03872245199c9461a5a670cb21567eba2d4ba905a05a9a69f26326a662a90598d0f510c65e00d662d59

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-07 14:59

Reported

2022-02-07 15:15

Platform

win10v2004-en-20220112

Max time kernel

179s

Max time network

180s

Command Line

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FCC7.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\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Winstep\Nextstart.exe C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\Nextstart.exe C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File created C:\Program Files\Winstep\unins000.exe C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\unins000.exe C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File created C:\Program Files\Winstep\WorkShelf.exe C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File created C:\Program Files\Winstep\unins000.dat C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\unins000.dat C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File opened for modification C:\Program Files\Winstep\WorkShelf.exe C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe N/A
File created C:\Program Files\Winstep\__tmp_rar_sfx_access_check_30365921 C:\Users\Admin\AppData\Local\Temp\FCC7.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\UploadRatePct = "100" 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
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.377947" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4020" 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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132888967985852943" 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\PriorityDownloadPendingCount = "0" 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
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\DownloadMonthlyRateFrCnt = "0" 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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "3868" 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\DownloadMonthlyRateBkCnt = "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\LinkLocalConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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
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\BkDownloadRatePct = "45" 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 (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\FrDownloadRatePct = "90" 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\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\UplinkBps = "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\DownloadMonthlyCdnBytes = "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\PeerInfoCount = "0" 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\NormalDownloadPendingCount = "0" 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\Usage\UploadMonthlyInternetBytes = "0" 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\MonthlyUploadRestriction = "0" C:\Windows\System32\svchost.exe N/A

Processes

C:\Windows\system32\MusNotifyIcon.exe

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe

"C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe"

C:\Windows\System32\svchost.exe

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

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\FCC8.bat C:\Users\Admin\AppData\Local\Temp\b0ae60c70c187c8aaf55d1bfd4d0293f25ba9f315668ceacc2560d22a2730206.exe"

C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe

2.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 92.123.77.43:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.184.216.174:443 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
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp

Files

C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\FCC8.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe

MD5 88881c0ec15e53b3421feec3639941e6
SHA1 1b5b7e00a3426175fed4f5ca45b4e61bd88159b4
SHA256 2749ca74803877562401a43e3feaaad45c3c8ef87a187f4a20c8723daea7047a
SHA512 71b068039f10faf0de91984f0e0f54ddfb34bb6fd317f03872245199c9461a5a670cb21567eba2d4ba905a05a9a69f26326a662a90598d0f510c65e00d662d59

C:\Users\Admin\AppData\Local\Temp\FCC7.tmp\2.exe

MD5 88881c0ec15e53b3421feec3639941e6
SHA1 1b5b7e00a3426175fed4f5ca45b4e61bd88159b4
SHA256 2749ca74803877562401a43e3feaaad45c3c8ef87a187f4a20c8723daea7047a
SHA512 71b068039f10faf0de91984f0e0f54ddfb34bb6fd317f03872245199c9461a5a670cb21567eba2d4ba905a05a9a69f26326a662a90598d0f510c65e00d662d59