Analysis
- max time kernel
66s - max time network
130s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
28/10/2022, 09:25
Static task
static1
Behavioral task
behavioral1
Sample
Ir2ZYvvQglAg4Rf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Ir2ZYvvQglAg4Rf.exe
Resource
win10v2004-20220812-en
General
- Target Ir2ZYvvQglAg4Rf.exe
- Size 533KB
- Sample221028-ldlm9sffbm
- SHA256 d65163defaea092a6be7661cdde670e18e54ae79790ffa5f64385daa5ceccabe
- MD5 eb027bfb34156d6efbdf4b41333522c3
- SHA1 41ff50272ab07e51c166c4b1694a147caf0ef923
- SHA512 803253a0b56cb2db9e9c3ff58ec345a34bda11b1ea9e03e83c245e785273f6ddf9ec9af4f58998e39cff2f23e40375367d0f3c28511336b5ff64bec6667f2cc5
- SSDEEP 6144:pcaw7c7oZ0DKGkO1QsZ451KEE+n0/EqlF1grM5PgQX41vE95V1gNUWC2KE0ZLrMr:qh7YBWsenP0j1A+JEyLIEmdTD
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5542941782:AAFlsn_FCfYT7D_ZthXK_Udd4a15AE58_Wg/sendMessage?chat_id=2054148913
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1532-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1532-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1532-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1532-71-0x000000000042017E-mapping.dmp family_snakekeylogger behavioral1/memory/1532-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1532-75-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ir2ZYvvQglAg4Rf.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ir2ZYvvQglAg4Rf.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ir2ZYvvQglAg4Rf.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 4 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1268 set thread context of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 960 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1532 Ir2ZYvvQglAg4Rf.exe 1788 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1532 Ir2ZYvvQglAg4Rf.exe Token: SeDebugPrivilege 1788 powershell.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1268 wrote to memory of 1788 1268 Ir2ZYvvQglAg4Rf.exe 26 PID 1268 wrote to memory of 1788 1268 Ir2ZYvvQglAg4Rf.exe 26 PID 1268 wrote to memory of 1788 1268 Ir2ZYvvQglAg4Rf.exe 26 PID 1268 wrote to memory of 1788 1268 Ir2ZYvvQglAg4Rf.exe 26 PID 1268 wrote to memory of 960 1268 Ir2ZYvvQglAg4Rf.exe 28 PID 1268 wrote to memory of 960 1268 Ir2ZYvvQglAg4Rf.exe 28 PID 1268 wrote to memory of 960 1268 Ir2ZYvvQglAg4Rf.exe 28 PID 1268 wrote to memory of 960 1268 Ir2ZYvvQglAg4Rf.exe 28 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 PID 1268 wrote to memory of 1532 1268 Ir2ZYvvQglAg4Rf.exe 30 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ir2ZYvvQglAg4Rf.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Ir2ZYvvQglAg4Rf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cVFbvb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1788
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cVFbvb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp"2⤵
- Creates scheduled task(s)
PID:960
-
-
C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1532
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp
- Size 1KB
- SHA256 4cdbe78676bfa5ae85001d89e8b2e1791e9fffb84dba68b5cb8bc2a6aba01541
- MD5 50ec16a191a7f2b5c68841ff5cbab346
- SHA1 9fcb0c4f5a3ef383db9b2919bb550c69a27633d3
- SHA512 21be9a17343229624df07c863c61c724e2e2f554f2fec6051d1165f3c2d446006ddd26e48f7920dce8479947a879c84af3cef9f7a270313848105c9d416d62ba
- MD5 SHA1 SHA512