Analysis
- max time kernel
69s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/02/2023, 08:45
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Bill of Lading for COSU6302595940.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
Proforma Bill of Lading for COSU6302595940.exe
Resource
win10v2004-20220812-en
General
- Target Proforma Bill of Lading for COSU6302595940.exe
- Size 926KB
- Sample230219-knq53aef5x
- SHA256 c901b86e7d9f3cd9b9c50533d67b0e95ab1bb154aa7d817b40af99b528d3dc58
- MD5 2248a1de506dd374cf4c1b08932efdd4
- SHA1 3d20296688cc11aec2180f357aa97a0c14c4f502
- SHA512 bd5ac5afcfad3143726a6ac8a1c972b3f47743810495cdd645c4bfc74ce04c89ead7ef95e08fb39cc9916a5fae48302adba93ba76a54ed520a0652f0ef34d539
- SSDEEP 24576:jsz3PwtHOKERVjzaK3USQxeYWIM643Csx:jsctIjaKE/O
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
smtp.bell-euorpe.com
-
Port
587
-
Username
-
Password
fMBIvHY4
-
Email to
-
https://api.telegram.org/bot6166695280:AAFYAmHtNxka4VVDE564YnB1MkmT68AnzXY/sendMessage?chat_id=5981442240
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3284-139-0x0000000000400000-0x0000000000426000-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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Bill of Lading for COSU6302595940.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Bill of Lading for COSU6302595940.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Bill of Lading for COSU6302595940.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 101 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4776 set thread context of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4776 Proforma Bill of Lading for COSU6302595940.exe 4776 Proforma Bill of Lading for COSU6302595940.exe 3284 Proforma Bill of Lading for COSU6302595940.exe 3284 Proforma Bill of Lading for COSU6302595940.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4776 Proforma Bill of Lading for COSU6302595940.exe Token: SeDebugPrivilege 3284 Proforma Bill of Lading for COSU6302595940.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4776 wrote to memory of 3388 4776 Proforma Bill of Lading for COSU6302595940.exe 92 PID 4776 wrote to memory of 3388 4776 Proforma Bill of Lading for COSU6302595940.exe 92 PID 4776 wrote to memory of 3388 4776 Proforma Bill of Lading for COSU6302595940.exe 92 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 PID 4776 wrote to memory of 3284 4776 Proforma Bill of Lading for COSU6302595940.exe 93 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Bill of Lading for COSU6302595940.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Bill of Lading for COSU6302595940.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Bill of Lading for COSU6302595940.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Bill of Lading for COSU6302595940.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Users\Admin\AppData\Local\Temp\Proforma Bill of Lading for COSU6302595940.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Bill of Lading for COSU6302595940.exe"2⤵PID:3388
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C:\Users\Admin\AppData\Local\Temp\Proforma Bill of Lading for COSU6302595940.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Bill of Lading for COSU6302595940.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3284
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