Analysis
- max time kernel
78s - max time network
144s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
07/10/2022, 19:30
Static task
static1
Behavioral task
behavioral1
Sample
BANK DETAILS.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
BANK DETAILS.exe
Resource
win10v2004-20220812-en
General
- Target BANK DETAILS.exe
- Size 914KB
- Sample221007-x7st8adcc4
- SHA256 5659153bcd17b99af97aa2ff7e721a91e76e76ddd1a82e6951d4b873b138a978
- MD5 766d32309b91cde35fa670be97bb3409
- SHA1 2e670b5fdcf9c65df81283b4f9d13904516f5ca6
- SHA512 cb72c53580686f4234fefe0fbfbacf86cf35d95387fb170424e841c6fbec40d31f115d19ef13d63ca638c988a6639f2069c9162a874bca59c353a1271d8b0e15
- SSDEEP 12288:E7ADqjJ5nXr9BEYGth9Z3yGKsAEhz3qqGthPP/eYc1l8XP1zsjExyvVlBWwt4RFk:EzjrXr9BEJ79ZCGKsAutGduYc
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1164-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1164-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1164-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1164-68-0x00000000004202FE-mapping.dmp family_snakekeylogger behavioral1/memory/1164-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1164-72-0x0000000000400000-0x0000000000426000-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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BANK DETAILS.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BANK DETAILS.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BANK DETAILS.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 1088 set thread context of 1164 1088 BANK DETAILS.exe 29 - 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 1376 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1088 BANK DETAILS.exe 1088 BANK DETAILS.exe 1088 BANK DETAILS.exe 1164 BANK DETAILS.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1088 BANK DETAILS.exe Token: SeDebugPrivilege 1164 BANK DETAILS.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1088 wrote to memory of 1376 1088 BANK DETAILS.exe 27 PID 1088 wrote to memory of 1376 1088 BANK DETAILS.exe 27 PID 1088 wrote to memory of 1376 1088 BANK DETAILS.exe 27 PID 1088 wrote to memory of 1376 1088 BANK DETAILS.exe 27 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 PID 1088 wrote to memory of 1164 1088 BANK DETAILS.exe 29 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BANK DETAILS.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BANK DETAILS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LPAbAWnXc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp13B1.tmp"2⤵
- Creates scheduled task(s)
PID:1376
-
-
C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1164
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp13B1.tmp
- Size 1KB
- SHA256 6b223ea0f154c8388b4f487fcf3d7079ffc1ea2e1f70257af08de4074fa842f5
- MD5 ff339fde951fcb58d076a4a70aafa28d
- SHA1 5d39827c79506999d3af3386deb1cc49b6300a65
- SHA512 fedfe47865726029940f26ea2a29798c48e837dccbb8725fcf3d27ba4294a3d56b72842b95e1193079827ed36ab868db5f9e0a99cb42ceae5d9913c702b1876e
- MD5 SHA1 SHA512