Analysis
- max time kernel
143s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
28/02/2025, 02:16
General
- Target BANK SLIP_TT COPY_23340636300773456864-2-20-2024_pdf.exe
- Size 823KB
- Sample250228-cqabbsxtcs
- SHA256 68c8ef0e9b37380e0111fc58705884d4f5aa491e25270a2608aaf4568fa98b1f
Malware Config
Extracted
-
darkcloud
-
Protocol
ftp
-
Host
@StrFtpServer
-
Port
21
-
Username
@StrFtpUser
-
Password
@StrFtpPass
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Darkcloud family
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_23340636300773456864-2-20-2024_pdf.exe"C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_23340636300773456864-2-20-2024_pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_23340636300773456864-2-20-2024_pdf.exe"C:\Users\Admin\AppData\Local\Temp\BANK SLIP_TT COPY_23340636300773456864-2-20-2024_pdf.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/1424-25-0x0000000003090000-0x000000000616A000-memory.dmp
memory/1424-27-0x0000000077951000-0x0000000077A71000-memory.dmp
memory/1424-26-0x0000000003090000-0x000000000616A000-memory.dmp
memory/1424-28-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3740-29-0x0000000001660000-0x000000000473A000-memory.dmp
memory/3740-30-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3740-31-0x0000000001660000-0x000000000473A000-memory.dmp
memory/3740-41-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3740-45-0x0000000001660000-0x000000000473A000-memory.dmp
memory/3740-46-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3740-47-0x0000000001660000-0x000000000473A000-memory.dmp
memory/3740-58-0x0000000000400000-0x0000000001654000-memory.dmp