Malware Analysis Report

2025-08-10 18:19

Sample ID 220207-c1jmraecen
Target 4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d
SHA256 4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d
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

4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d

Threat Level: Known bad

The file 4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d 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 use of WriteProcessMemory

Checks processor information in registry

Modifies data under HKEY_USERS

Suspicious behavior: CmdExeWriteProcessMemorySpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-07 02:32

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 02:32

Reported

2022-02-07 02:35

Platform

win7-en-20211208

Max time kernel

132s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\KeepVid\Video Converter\KeepVidVideoConverter.exe C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid\Video Converter\KeepVidVideoConverter.exe C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A
File created C:\Program Files\KeepVid\Video Converter\CBSProductClient.dll C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid\Video Converter\CBSProductClient.dll C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid\Video Converter C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe N/A
File created C:\Program Files\KeepVid\Video Converter\__tmp_rar_sfx_access_check_181585 C:\Users\Admin\AppData\Local\Temp\BE10.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\BE10.tmp\2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe

"C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\BE10.tmp\BE11.bat C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe"

C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe

2.exe

Network

N/A

Files

memory/2036-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\BE10.tmp\BE11.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe

MD5 c80515b61956188d04f98127bae47803
SHA1 4acb986450330040786df1f40409d8faf05312f6
SHA256 296e38c3b1b97870819a7bef4d19029f7f664c5d0bfacff41ffa3fc7a7b8b7ab
SHA512 ab03d13c03940d8298e2afac4f29659b9a5c0b61955ec665b4f51f2b1804518be3c1a1bf7e1ddd144f592e8b28599ff14e0830c39c4b1b8a4fb4b64c5339fa87

C:\Users\Admin\AppData\Local\Temp\BE10.tmp\2.exe

MD5 c80515b61956188d04f98127bae47803
SHA1 4acb986450330040786df1f40409d8faf05312f6
SHA256 296e38c3b1b97870819a7bef4d19029f7f664c5d0bfacff41ffa3fc7a7b8b7ab
SHA512 ab03d13c03940d8298e2afac4f29659b9a5c0b61955ec665b4f51f2b1804518be3c1a1bf7e1ddd144f592e8b28599ff14e0830c39c4b1b8a4fb4b64c5339fa87

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-07 02:32

Reported

2022-02-07 02:36

Platform

win10v2004-en-20220112

Max time kernel

173s

Max time network

173s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\310B.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\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\KeepVid\Video Converter\__tmp_rar_sfx_access_check_30308953 C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe N/A
File created C:\Program Files\KeepVid\Video Converter\KeepVidVideoConverter.exe C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid\Video Converter\KeepVidVideoConverter.exe C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe N/A
File created C:\Program Files\KeepVid\Video Converter\CBSProductClient.dll C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid\Video Converter\CBSProductClient.dll C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe N/A
File opened for modification C:\Program Files\KeepVid\Video Converter C:\Users\Admin\AppData\Local\Temp\310B.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\MusNotifyIcon.exe N/A
Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\UploadMonthlyInternetBytes = "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\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\UploadCount = "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\SwarmCount = "1" 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\DownlinkBps = "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\DownloadMonthlyRateFrCnt = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4040" 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\DownloadMonthlyLanBytes = "0" 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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "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\DownloadMonthlyCacheHostBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132888512629805633" 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\NormalDownloadCount = "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
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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000007" 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\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\PriorityDownloadCount = "0" 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\DownloadMonthlyInternetBytes = "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 (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\DownlinkUsageBps = "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

Processes

C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe

"C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\310B.tmp\312B.bat C:\Users\Admin\AppData\Local\Temp\4dce648291d33a5eb98f21179e043dc2787fc2224458957bf000d8a26d65ae6d.exe"

C:\Users\Admin\AppData\Local\Temp\310B.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 92.123.77.56:80 tcp
NL 92.123.77.56:80 tcp
NL 8.248.7.254:80 tcp
NL 8.248.7.254:80 tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
US 72.21.91.29:80 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 settings-win.data.microsoft.com udp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com 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 52.167.249.196:443 settings-win.data.microsoft.com tcp

Files

C:\Users\Admin\AppData\Local\Temp\310B.tmp\312B.bat

MD5 a4d54825c48a32efc53e34ea0f588d1c
SHA1 cd5815db470cf3af4d6ce658151eb24fef1c664f
SHA256 a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39
SHA512 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b

C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe

MD5 c80515b61956188d04f98127bae47803
SHA1 4acb986450330040786df1f40409d8faf05312f6
SHA256 296e38c3b1b97870819a7bef4d19029f7f664c5d0bfacff41ffa3fc7a7b8b7ab
SHA512 ab03d13c03940d8298e2afac4f29659b9a5c0b61955ec665b4f51f2b1804518be3c1a1bf7e1ddd144f592e8b28599ff14e0830c39c4b1b8a4fb4b64c5339fa87

C:\Users\Admin\AppData\Local\Temp\310B.tmp\2.exe

MD5 c80515b61956188d04f98127bae47803
SHA1 4acb986450330040786df1f40409d8faf05312f6
SHA256 296e38c3b1b97870819a7bef4d19029f7f664c5d0bfacff41ffa3fc7a7b8b7ab
SHA512 ab03d13c03940d8298e2afac4f29659b9a5c0b61955ec665b4f51f2b1804518be3c1a1bf7e1ddd144f592e8b28599ff14e0830c39c4b1b8a4fb4b64c5339fa87