Analysis
- max time kernel
40s - max time network
141s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system - submitted
09/08/2024, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
DHL Waybill & Shipping Document.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
DHL Waybill & Shipping Document.exe
Resource
win10v2004-20240802-en
General
- Target DHL Waybill & Shipping Document.exe
- Size 2.8MB
- Sample240809-3f1cwayeph
- SHA256 fa4dd3214fe17f69079274a2dd01ed191a1b7c70c96bc36d274a5f6758deaffb
- MD5 a80d785ff635c1903e51209cdb854d55
- SHA1 a328fce4a7bf076f046193936fd272d262c08acd
- SHA512 0f68122a9f9d14cabac8c07849ab81027384eca0cce386ddc414903436dfa2157cab56d0a8105d1dfb7a041ee3f0cfee30e34c435c4e2e0b315594da3f269d01
- SSDEEP 12288:n9MaVrg++LvtflmwLpe+0d5POpdVC16SA7t:nKacTLyw0+452pd0QX
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot6040706883:AAGj7B9ONNWM5dxNf28Wuf8zMNReKmR75X0/sendMessage?chat_id=6081058038
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2804-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2804-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2804-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2804-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2804-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.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 1512 set thread context of 2804 1512 DHL Waybill & Shipping Document.exe 31 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1512 DHL Waybill & Shipping Document.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2804 regasm.exe 2804 regasm.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2804 regasm.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2804 1512 DHL Waybill & Shipping Document.exe 31 PID 1512 wrote to memory of 2848 1512 DHL Waybill & Shipping Document.exe 32 PID 1512 wrote to memory of 2848 1512 DHL Waybill & Shipping Document.exe 32 PID 1512 wrote to memory of 2848 1512 DHL Waybill & Shipping Document.exe 32 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Document.exe"C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Document.exe"1⤵
- Suspicious use of SetThreadContext
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2804
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1512 -s 6202⤵PID:2848
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2