Analysis Overview
SHA256
5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b
Threat Level: Known bad
The file 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b was found to be: Known bad.
Malicious Activity Summary
HawkEye
NirSoft MailPassView
Nirsoft
NirSoft WebBrowserPassView
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Deletes itself
Looks up external IP address via web service
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-08-01 15:04
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-08-01 15:04
Reported
2022-08-01 15:16
Platform
win7-20220718-en
Max time kernel
150s
Max time network
157s
Command Line
Signatures
HawkEye
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 964 set thread context of 952 | N/A | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe |
| PID 868 set thread context of 1568 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Users\Admin\AppData\Roaming\Windows Update.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe
"C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe"
C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe
C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
C:\Users\Admin\AppData\Roaming\Windows Update.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.16.154.36:80 | whatismyipaddress.com | tcp |
Files
memory/964-56-0x00000000003E0000-0x00000000003E7000-memory.dmp
memory/964-57-0x00000000769D1000-0x00000000769D3000-memory.dmp
memory/952-58-0x00000000004D11BD-mapping.dmp
memory/964-59-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/952-63-0x0000000000400000-0x0000000000477000-memory.dmp
memory/952-67-0x0000000000480000-0x0000000000510000-memory.dmp
memory/952-66-0x0000000000482000-0x000000000050A000-memory.dmp
memory/952-69-0x00000000067E0000-0x00000000068A1000-memory.dmp
memory/952-70-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/952-71-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/952-72-0x0000000074FD0000-0x000000007557B000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/868-74-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/952-77-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/952-78-0x0000000074FD0000-0x000000007557B000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/868-85-0x00000000002D0000-0x00000000003BF000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/868-87-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/1568-88-0x00000000004D11BD-mapping.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/868-90-0x0000000077E00000-0x0000000077F80000-memory.dmp
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/1568-97-0x0000000000400000-0x0000000000477000-memory.dmp
memory/1568-102-0x00000000009B0000-0x0000000000A40000-memory.dmp
memory/1568-104-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/1568-105-0x0000000077E00000-0x0000000077F80000-memory.dmp
memory/1568-106-0x0000000074F50000-0x00000000754FB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | 77e59d559fcd40ef905a3a09bdca6c87 |
| SHA1 | 2f36517d4388f4c50fe3f1012d6dee451b5ccef2 |
| SHA256 | 7bb228ee03097c93bcdefca40280a7a7aa9a05e150266c0ec694345fd3a62483 |
| SHA512 | aaf452fbf90b6382809f6e99a96f471d3f1b735106f4876c3d7070fae70b95791c6a7ac4f7a5475dbdb7a28228587e6f3282397dcca9413a4585f5756fb275b7 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-08-01 15:04
Reported
2022-08-01 15:16
Platform
win10v2004-20220721-en
Max time kernel
153s
Max time network
159s
Command Line
Signatures
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4952 set thread context of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe
"C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe"
C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe
C:\Users\Admin\AppData\Local\Temp\5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 20.42.65.84:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 204.79.197.203:80 | tcp |
Files
memory/4952-132-0x00000000006F0000-0x00000000006F7000-memory.dmp
memory/2444-133-0x0000000000000000-mapping.dmp
memory/4952-134-0x00000000775C0000-0x0000000077763000-memory.dmp
memory/2444-135-0x00000000775C0000-0x0000000077763000-memory.dmp
memory/2444-138-0x0000000000400000-0x0000000000477000-memory.dmp
memory/2444-141-0x00000000775C0000-0x0000000077763000-memory.dmp
memory/2444-142-0x00000000775C0000-0x0000000077763000-memory.dmp
memory/2444-143-0x00000000775C0000-0x0000000077763000-memory.dmp
memory/2444-144-0x0000000002190000-0x0000000002220000-memory.dmp
memory/2444-147-0x0000000074C30000-0x00000000751E1000-memory.dmp
memory/1948-148-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 510f9e146edd3103ddd4b7da3f6521ee |
| SHA1 | affc015f99525fd0884c06812a54af3557331a5e |
| SHA256 | 5c4a994d5c837fd1f9acfe9961bbb4bd5f01d4e6e9b6f2d0ff20d812bb38a33b |
| SHA512 | b2e94a1f2f169d0275102072644b6ff8729a74acadfa0328ac7baca6bec198ce119556e8719c015bb205f437fbd4ad9973875f9d5c82dc89f9841303914c6231 |
memory/2444-153-0x00000000775C0000-0x0000000077763000-memory.dmp
memory/2444-154-0x0000000074C30000-0x00000000751E1000-memory.dmp