Analysis
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max time kernel
134s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 14:27
Static task
static1
Behavioral task
behavioral1
Sample
docfre20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docfre20230925.exe
Resource
win10v2004-20230915-en
General
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Target
docfre20230925.exe
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Size
1.1MB
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MD5
a00366a3483d1d632223d68c8e6e3f15
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SHA1
9d3e8a5526c15408d28ad1af21937020accc5ff2
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SHA256
14bf7140553ce01a73ddd0bad30d173a14aa1614ee208b01f7a165969aefdc00
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SHA512
8a2579d06efaa4f49e73b50993ddd15728639c3ec73a743939cfcb1e2b46c899386719a0c83aca55891b54d7e639e9099254bc35a4ba1f21f6346934c93a5a24
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SSDEEP
24576:6oJkNU2vAuIan9AuMyLSisyKuMYc8u5XMxoZgnb3iPwwxA5MY:6ouFAuB9AuMyLSglMYdCMxoiboU
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/1404-7-0x0000000000910000-0x0000000000962000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Roaming\excell.exe family_snakekeylogger C:\Users\Admin\AppData\Roaming\excell.exe family_snakekeylogger behavioral2/memory/3500-48-0x0000000000F20000-0x0000000000F44000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Roaming\excell.exe family_snakekeylogger -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
docfre20230925.exedocfre20230925.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation docfre20230925.exe Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation docfre20230925.exe -
Executes dropped EXE 5 IoCs
Processes:
wordd.exesvchost.exeexcell.exesvchost.exeavast.exepid process 2828 wordd.exe 2964 svchost.exe 3500 excell.exe 216 svchost.exe 2324 avast.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
wordd.exeexcell.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 excell.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 52 checkip.dyndns.org 55 api.ipify.org 56 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docfre20230925.exesvchost.exedescription pid process target process PID 2228 set thread context of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2964 set thread context of 216 2964 svchost.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3624 schtasks.exe 1680 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
excell.exewordd.exepid process 3500 excell.exe 3500 excell.exe 2828 wordd.exe 2828 wordd.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
svchost.exepid process 216 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
excell.exewordd.exedescription pid process Token: SeDebugPrivilege 3500 excell.exe Token: SeDebugPrivilege 2828 wordd.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
wordd.exeexcell.exepid process 2828 wordd.exe 3500 excell.exe -
Suspicious use of WriteProcessMemory 49 IoCs
Processes:
docfre20230925.exedocfre20230925.execmd.exesvchost.execmd.exedescription pid process target process PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 1404 2228 docfre20230925.exe docfre20230925.exe PID 2228 wrote to memory of 2964 2228 docfre20230925.exe svchost.exe PID 2228 wrote to memory of 2964 2228 docfre20230925.exe svchost.exe PID 2228 wrote to memory of 2964 2228 docfre20230925.exe svchost.exe PID 1404 wrote to memory of 2828 1404 docfre20230925.exe wordd.exe PID 1404 wrote to memory of 2828 1404 docfre20230925.exe wordd.exe PID 1404 wrote to memory of 2828 1404 docfre20230925.exe wordd.exe PID 1404 wrote to memory of 3500 1404 docfre20230925.exe excell.exe PID 1404 wrote to memory of 3500 1404 docfre20230925.exe excell.exe PID 1404 wrote to memory of 3500 1404 docfre20230925.exe excell.exe PID 2228 wrote to memory of 932 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 932 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 932 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 2580 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 2580 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 2580 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 2232 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 2232 2228 docfre20230925.exe cmd.exe PID 2228 wrote to memory of 2232 2228 docfre20230925.exe cmd.exe PID 2580 wrote to memory of 1680 2580 cmd.exe schtasks.exe PID 2580 wrote to memory of 1680 2580 cmd.exe schtasks.exe PID 2580 wrote to memory of 1680 2580 cmd.exe schtasks.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 216 2964 svchost.exe svchost.exe PID 2964 wrote to memory of 4404 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 4404 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 4404 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 3984 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 3984 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 3984 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 3140 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 3140 2964 svchost.exe cmd.exe PID 2964 wrote to memory of 3140 2964 svchost.exe cmd.exe PID 3984 wrote to memory of 3624 3984 cmd.exe schtasks.exe PID 3984 wrote to memory of 3624 3984 cmd.exe schtasks.exe PID 3984 wrote to memory of 3624 3984 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
wordd.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe -
outlook_win_path 1 IoCs
Processes:
wordd.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wordd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe"C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe"C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Users\Admin\AppData\Roaming\wordd.exe"C:\Users\Admin\AppData\Roaming\wordd.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2828 -
C:\Users\Admin\AppData\Roaming\excell.exe"C:\Users\Admin\AppData\Roaming\excell.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:216 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"3⤵PID:3140
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f3⤵
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f4⤵
- Creates scheduled task(s)
PID:3624 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:4404
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2232
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Creates scheduled task(s)
PID:1680 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:932
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C:\Users\Admin\AppData\Roaming\avast\avast.exeC:\Users\Admin\AppData\Roaming\avast\avast.exe1⤵
- Executes dropped EXE
PID:2324
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
226B
MD5916851e072fbabc4796d8916c5131092
SHA1d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA2567e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA51207ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
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Filesize
520B
MD503febbff58da1d3318c31657d89c8542
SHA1c9e017bd9d0a4fe533795b227c855935d86c2092
SHA2565164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
SHA5123750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
125KB
MD543ec0396a28534662958bcc38c56741b
SHA11a4abf29943cc17f8e9ee53ee8eefcb7de97f0f6
SHA2566a9cfd26ef1b8bdf0c0027a796712759c60aae96849b7cc0fe375d9e27b714c5
SHA512e67614bdc4a3b143d1440e15bbe45364044941a85fdf1e2cf8d212c6d24b560021092565d33385a0150b727f37de52605e49d111d0d45707454352230291e262
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Filesize
125KB
MD543ec0396a28534662958bcc38c56741b
SHA11a4abf29943cc17f8e9ee53ee8eefcb7de97f0f6
SHA2566a9cfd26ef1b8bdf0c0027a796712759c60aae96849b7cc0fe375d9e27b714c5
SHA512e67614bdc4a3b143d1440e15bbe45364044941a85fdf1e2cf8d212c6d24b560021092565d33385a0150b727f37de52605e49d111d0d45707454352230291e262
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Filesize
125KB
MD543ec0396a28534662958bcc38c56741b
SHA11a4abf29943cc17f8e9ee53ee8eefcb7de97f0f6
SHA2566a9cfd26ef1b8bdf0c0027a796712759c60aae96849b7cc0fe375d9e27b714c5
SHA512e67614bdc4a3b143d1440e15bbe45364044941a85fdf1e2cf8d212c6d24b560021092565d33385a0150b727f37de52605e49d111d0d45707454352230291e262
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Filesize
167KB
MD5d91ed5276218ac3813cb02649798bf1d
SHA1f6fe0b97d345b27801d93f4fc63a540a3e87df61
SHA25667ab5e2cc0beffd93acfe9597fb67a194945370f7315570a2873427b32d7a5bd
SHA5125b0d220a2d408a8e06ca5b0ce8bb6b2f8d9a24885e04fd1278a4ce3350bcbbd6378b96841053928e40ecbd89cc405aa9eff235fba028b37347547cfa74b6358a
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Filesize
167KB
MD5d91ed5276218ac3813cb02649798bf1d
SHA1f6fe0b97d345b27801d93f4fc63a540a3e87df61
SHA25667ab5e2cc0beffd93acfe9597fb67a194945370f7315570a2873427b32d7a5bd
SHA5125b0d220a2d408a8e06ca5b0ce8bb6b2f8d9a24885e04fd1278a4ce3350bcbbd6378b96841053928e40ecbd89cc405aa9eff235fba028b37347547cfa74b6358a
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Filesize
167KB
MD5d91ed5276218ac3813cb02649798bf1d
SHA1f6fe0b97d345b27801d93f4fc63a540a3e87df61
SHA25667ab5e2cc0beffd93acfe9597fb67a194945370f7315570a2873427b32d7a5bd
SHA5125b0d220a2d408a8e06ca5b0ce8bb6b2f8d9a24885e04fd1278a4ce3350bcbbd6378b96841053928e40ecbd89cc405aa9eff235fba028b37347547cfa74b6358a