Analysis
-
max time kernel
148s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
26-09-2023 13:51
Static task
static1
Behavioral task
behavioral1
Sample
docyo20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docyo20230925.exe
Resource
win10v2004-20230915-en
General
-
Target
docyo20230925.exe
-
Size
821KB
-
MD5
4eac3586289f9081f51432e739f3b240
-
SHA1
066a458315c10ba6aa827958ec79627007daccf6
-
SHA256
77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb
-
SHA512
bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8
-
SSDEEP
24576:1X5KAkazacwCw8RdFK0W3fDkqgy9nEsY:1X5KEacxdRLI3rkqpNQ
Malware Config
Extracted
Protocol: ftp- Host:
ftp.product-secured.com - Port:
21 - Username:
[email protected] - Password:
2V8SHFwjad34@@##
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
2V8SHFwjad34@@##
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2496-8-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2496-9-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2496-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2496-15-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2496-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Executes dropped EXE 6 IoCs
Processes:
svchost.exesvchost.exesvchost.exesvchost.exesvchost.exesvchost.exepid process 2724 svchost.exe 2608 svchost.exe 1908 svchost.exe 2824 svchost.exe 2840 svchost.exe 2424 svchost.exe -
Loads dropped DLL 2 IoCs
Processes:
docyo20230925.exesvchost.exepid process 3044 docyo20230925.exe 2724 svchost.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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
svchost.exedocyo20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230925.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230925.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230925.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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 4 IoCs
Processes:
docyo20230925.exesvchost.exesvchost.exesvchost.exedescription pid process target process PID 3044 set thread context of 2496 3044 docyo20230925.exe docyo20230925.exe PID 2724 set thread context of 1908 2724 svchost.exe svchost.exe PID 2608 set thread context of 2824 2608 svchost.exe svchost.exe PID 2840 set thread context of 2424 2840 svchost.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 2688 schtasks.exe 2828 schtasks.exe 3032 schtasks.exe 1412 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
docyo20230925.exesvchost.exepid process 2496 docyo20230925.exe 2496 docyo20230925.exe 2824 svchost.exe 2824 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
docyo20230925.exesvchost.exedescription pid process Token: SeDebugPrivilege 2496 docyo20230925.exe Token: SeDebugPrivilege 2824 svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
docyo20230925.exesvchost.exepid process 2496 docyo20230925.exe 2824 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
docyo20230925.execmd.exetaskeng.exesvchost.execmd.exesvchost.exedescription pid process target process PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2496 3044 docyo20230925.exe docyo20230925.exe PID 3044 wrote to memory of 2724 3044 docyo20230925.exe svchost.exe PID 3044 wrote to memory of 2724 3044 docyo20230925.exe svchost.exe PID 3044 wrote to memory of 2724 3044 docyo20230925.exe svchost.exe PID 3044 wrote to memory of 2724 3044 docyo20230925.exe svchost.exe PID 3044 wrote to memory of 1780 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 1780 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 1780 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 1780 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2636 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2636 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2636 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2636 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2804 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2804 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2804 3044 docyo20230925.exe cmd.exe PID 3044 wrote to memory of 2804 3044 docyo20230925.exe cmd.exe PID 2636 wrote to memory of 2688 2636 cmd.exe schtasks.exe PID 2636 wrote to memory of 2688 2636 cmd.exe schtasks.exe PID 2636 wrote to memory of 2688 2636 cmd.exe schtasks.exe PID 2636 wrote to memory of 2688 2636 cmd.exe schtasks.exe PID 2508 wrote to memory of 2608 2508 taskeng.exe svchost.exe PID 2508 wrote to memory of 2608 2508 taskeng.exe svchost.exe PID 2508 wrote to memory of 2608 2508 taskeng.exe svchost.exe PID 2508 wrote to memory of 2608 2508 taskeng.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 1908 2724 svchost.exe svchost.exe PID 2724 wrote to memory of 2580 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2580 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2580 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2580 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2024 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2024 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2024 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 2024 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 324 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 324 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 324 2724 svchost.exe cmd.exe PID 2724 wrote to memory of 324 2724 svchost.exe cmd.exe PID 2024 wrote to memory of 2828 2024 cmd.exe schtasks.exe PID 2024 wrote to memory of 2828 2024 cmd.exe schtasks.exe PID 2024 wrote to memory of 2828 2024 cmd.exe schtasks.exe PID 2024 wrote to memory of 2828 2024 cmd.exe schtasks.exe PID 2608 wrote to memory of 2824 2608 svchost.exe svchost.exe PID 2608 wrote to memory of 2824 2608 svchost.exe svchost.exe PID 2608 wrote to memory of 2824 2608 svchost.exe svchost.exe PID 2608 wrote to memory of 2824 2608 svchost.exe svchost.exe PID 2608 wrote to memory of 2824 2608 svchost.exe svchost.exe PID 2608 wrote to memory of 2824 2608 svchost.exe svchost.exe -
outlook_office_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe"C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe"C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
PID:1908 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:2580
-
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:2024 -
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:2828 -
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:324
-
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:1780
-
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:2636 -
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:2688 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2804
-
C:\Windows\system32\taskeng.exetaskeng.exe {1D083228-7059-4EFF-82ED-507AAD3B9061} S-1-5-21-2180306848-1874213455-4093218721-1000:XEBBURHY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.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:2824 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:1464
-
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵PID:936
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f4⤵
- Creates scheduled task(s)
PID:3032 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:1496
-
C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2840 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵
- Executes dropped EXE
PID:2424 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:400
-
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵PID:1048
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f4⤵
- Creates scheduled task(s)
PID:1412 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:1148
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
821KB
MD54eac3586289f9081f51432e739f3b240
SHA1066a458315c10ba6aa827958ec79627007daccf6
SHA25677fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb
SHA512bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8
-
Filesize
821KB
MD54eac3586289f9081f51432e739f3b240
SHA1066a458315c10ba6aa827958ec79627007daccf6
SHA25677fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb
SHA512bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8
-
Filesize
821KB
MD54eac3586289f9081f51432e739f3b240
SHA1066a458315c10ba6aa827958ec79627007daccf6
SHA25677fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb
SHA512bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8
-
Filesize
821KB
MD54eac3586289f9081f51432e739f3b240
SHA1066a458315c10ba6aa827958ec79627007daccf6
SHA25677fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb
SHA512bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8
-
Filesize
821KB
MD54eac3586289f9081f51432e739f3b240
SHA1066a458315c10ba6aa827958ec79627007daccf6
SHA25677fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb
SHA512bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a