Analysis
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max time kernel
71s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2023 13:53
Static task
static1
Behavioral task
behavioral1
Sample
docgur20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docgur20230925.exe
Resource
win10v2004-20230915-en
General
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Target
docgur20230925.exe
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Size
822KB
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MD5
7db30eacb2aafcd1c57d4cf6b314ca71
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SHA1
784c19294b0348258632cdacb23927063f0f7ad8
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SHA256
dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
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SHA512
985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
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SSDEEP
12288:91FckahW3INm7sW2ndLQJfVDb0xPkh7g9tO01ehCt6+5wVZaNY:VcDh/m7sPdLQ9VH0xPu7g9n1z6+iuY
Malware Config
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
2V8SHFwjad34@@##
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3868-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
docgur20230925.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation docgur20230925.exe -
Executes dropped EXE 3 IoCs
Processes:
svchost.exesvchost.exeavast.exepid process 1564 svchost.exe 1684 svchost.exe 1716 avast.exe -
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 3 IoCs
Processes:
docgur20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 54 checkip.dyndns.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docgur20230925.exesvchost.exedescription pid process target process PID 1740 set thread context of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1564 set thread context of 1684 1564 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 1612 schtasks.exe 1368 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
docgur20230925.exepid process 3868 docgur20230925.exe 3868 docgur20230925.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
docgur20230925.exedescription pid process Token: SeDebugPrivilege 3868 docgur20230925.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
docgur20230925.exepid process 3868 docgur20230925.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
docgur20230925.execmd.exesvchost.execmd.exedescription pid process target process PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 3868 1740 docgur20230925.exe docgur20230925.exe PID 1740 wrote to memory of 1564 1740 docgur20230925.exe svchost.exe PID 1740 wrote to memory of 1564 1740 docgur20230925.exe svchost.exe PID 1740 wrote to memory of 1564 1740 docgur20230925.exe svchost.exe PID 1740 wrote to memory of 3920 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 3920 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 3920 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 3904 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 3904 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 3904 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 1332 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 1332 1740 docgur20230925.exe cmd.exe PID 1740 wrote to memory of 1332 1740 docgur20230925.exe cmd.exe PID 3904 wrote to memory of 1612 3904 cmd.exe schtasks.exe PID 3904 wrote to memory of 1612 3904 cmd.exe schtasks.exe PID 3904 wrote to memory of 1612 3904 cmd.exe schtasks.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 1684 1564 svchost.exe svchost.exe PID 1564 wrote to memory of 4228 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 4228 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 4228 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 4460 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 4460 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 4460 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 2692 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 2692 1564 svchost.exe cmd.exe PID 1564 wrote to memory of 2692 1564 svchost.exe cmd.exe PID 4460 wrote to memory of 1368 4460 cmd.exe schtasks.exe PID 4460 wrote to memory of 1368 4460 cmd.exe schtasks.exe PID 4460 wrote to memory of 1368 4460 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
docgur20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe -
outlook_win_path 1 IoCs
Processes:
docgur20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3868 -
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:1564 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
PID:1684 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:4228
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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:4460 -
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:1368 -
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:2692
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:1332
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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:3904 -
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:1612 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:3920
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C:\Users\Admin\AppData\Roaming\avast\avast.exeC:\Users\Admin\AppData\Roaming\avast\avast.exe1⤵
- Executes dropped EXE
PID:1716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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