Analysis Overview
SHA256
b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404
Threat Level: Known bad
The file b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404 was found to be: Known bad.
Malicious Activity Summary
Gozi_ifsb family
UPX packed file
Executes dropped EXE
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-08 16:55
Signatures
Gozi_ifsb family
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-08 16:55
Reported
2022-02-08 18:41
Platform
win7-en-20211208
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\IObit | C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe | N/A |
| File opened for modification | C:\Program Files\IObit\IObit Uninstaller | C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe | N/A |
| File created | C:\Program Files\IObit\IObit Uninstaller\__tmp_rar_sfx_access_check_259409678 | C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe | N/A |
| File created | C:\Program Files\IObit\IObit Uninstaller\RegisterCom.dll | C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe | N/A |
| File opened for modification | C:\Program Files\IObit\IObit Uninstaller\RegisterCom.dll | C:\Users\Admin\AppData\Local\Temp\2BD1.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\2BD1.tmp\2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe
"C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2BE2.bat C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"
C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe
2.exe
Network
Files
memory/1688-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2BE2.bat
| MD5 | a4d54825c48a32efc53e34ea0f588d1c |
| SHA1 | cd5815db470cf3af4d6ce658151eb24fef1c664f |
| SHA256 | a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39 |
| SHA512 | 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b |
C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe
| MD5 | 18605f153c756e3e713efe93bfb026b8 |
| SHA1 | 541227cb9f5d2a156d354c207cfc0f9716035dcb |
| SHA256 | dc62e88318ad70a5ec73dca2eb3aa5546711adb078ef2c91c6539452a60cc9a0 |
| SHA512 | d603ea56262e85e559e5cfeeaed4226d9f1c005639a60256afb4f6812689d014b4a22f974946d64898516762d29984d36a2d477255f60ba22b66897ab1e9cdf2 |
C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe
| MD5 | 18605f153c756e3e713efe93bfb026b8 |
| SHA1 | 541227cb9f5d2a156d354c207cfc0f9716035dcb |
| SHA256 | dc62e88318ad70a5ec73dca2eb3aa5546711adb078ef2c91c6539452a60cc9a0 |
| SHA512 | d603ea56262e85e559e5cfeeaed4226d9f1c005639a60256afb4f6812689d014b4a22f974946d64898516762d29984d36a2d477255f60ba22b66897ab1e9cdf2 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-08 16:55
Reported
2022-02-08 18:41
Platform
win10v2004-en-20220112
Max time kernel
192s
Max time network
207s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2BA7.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\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\IObit | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe | N/A |
| File opened for modification | C:\Program Files\IObit\IObit Uninstaller | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe | N/A |
| File created | C:\Program Files\IObit\IObit Uninstaller\__tmp_rar_sfx_access_check_30387531 | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe | N/A |
| File created | C:\Program Files\IObit\IObit Uninstaller\RegisterCom.dll | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe | N/A |
| File opened for modification | C:\Program Files\IObit\IObit Uninstaller\RegisterCom.dll | C:\Users\Admin\AppData\Local\Temp\2BA7.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
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| 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\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 (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006764" | 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\UploadCount = "0" | 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\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\UploadMonthlyLanBytes = "0" | 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\LANConnectionCount = "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\DownloadMonthlyRateBkCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132889955835691064" | 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 (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.365206" | 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\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\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\LinkLocalConnectionCount = "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 |
| 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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "3836" | 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\MonthID = "2" | 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\FrDownloadRatePct = "90" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4028" | 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\PriorityDownloadPendingCount = "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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "1" | 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\GroupConnectionCount = "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\DownloadMonthlyCdnBytes = "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\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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3328 wrote to memory of 2116 | N/A | C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe | C:\Windows\system32\cmd.exe |
| PID 3328 wrote to memory of 2116 | N/A | C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe | C:\Windows\system32\cmd.exe |
| PID 2116 wrote to memory of 1536 | N/A | C:\Windows\system32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe |
| PID 2116 wrote to memory of 1536 | N/A | C:\Windows\system32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe |
| PID 2116 wrote to memory of 1536 | N/A | C:\Windows\system32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe
"C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.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\2BA7.tmp\2BC8.bat C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"
C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe
2.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| 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 |
| 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 | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| IE | 51.104.162.168:443 | 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 |
Files
C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2BC8.bat
| MD5 | a4d54825c48a32efc53e34ea0f588d1c |
| SHA1 | cd5815db470cf3af4d6ce658151eb24fef1c664f |
| SHA256 | a80606f4473428d06cee3e62fd68ec7fc9b99a563260a5ed0d012d76634efe39 |
| SHA512 | 74058d5b0e14ad7b453ed6119e483d3ac3281405f29f2f804c67c0e3b112c68349d8893e8232e3ca93695f43705fcf6a18ec3f6016e68bfe11b1b10a79ba723b |
C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe
| MD5 | 18605f153c756e3e713efe93bfb026b8 |
| SHA1 | 541227cb9f5d2a156d354c207cfc0f9716035dcb |
| SHA256 | dc62e88318ad70a5ec73dca2eb3aa5546711adb078ef2c91c6539452a60cc9a0 |
| SHA512 | d603ea56262e85e559e5cfeeaed4226d9f1c005639a60256afb4f6812689d014b4a22f974946d64898516762d29984d36a2d477255f60ba22b66897ab1e9cdf2 |
C:\Users\Admin\AppData\Local\Temp\2BA7.tmp\2.exe
| MD5 | 18605f153c756e3e713efe93bfb026b8 |
| SHA1 | 541227cb9f5d2a156d354c207cfc0f9716035dcb |
| SHA256 | dc62e88318ad70a5ec73dca2eb3aa5546711adb078ef2c91c6539452a60cc9a0 |
| SHA512 | d603ea56262e85e559e5cfeeaed4226d9f1c005639a60256afb4f6812689d014b4a22f974946d64898516762d29984d36a2d477255f60ba22b66897ab1e9cdf2 |