Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/11/2024, 03:09
General
- Target bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe
- Size 464KB
- Sample241107-dnqqzathkh
- SHA256 bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895
Malware Config
Extracted
-
xworm
-
5.0
-
weidmachane.zapto.org:7000
-
Y3sPpIW4xQztdVfl
-
install_file
USB.exe
Extracted
-
latentbot
-
weidmachane.zapto.org
Signatures
- Detect Xworm Payload 1 IoCs
- LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
- Latentbot family
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- Stormkitty family
- Xworm
Xworm is a remote access trojan written in C#.
- Xworm family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DxVTeXwK.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DxVTeXwK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6481.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"C:\Users\Admin\AppData\Local\Temp\bd749917837b3e6a48c15277cb0d5b39fd0c89e4f52be26a72e30b11816fc895.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 16323⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 952 -ip 9521⤵
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_uijnijh4.e1z.ps1
tmp6481.tmp
memory/804-22-0x00000000055B0000-0x00000000055D2000-memory.dmp
memory/804-19-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/804-77-0x00000000072A0000-0x00000000072AE000-memory.dmp
memory/804-76-0x0000000007270000-0x0000000007281000-memory.dmp
memory/804-75-0x00000000072F0000-0x0000000007386000-memory.dmp
memory/804-74-0x00000000070E0000-0x00000000070EA000-memory.dmp
memory/804-16-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/804-15-0x00000000047E0000-0x0000000004816000-memory.dmp
memory/804-87-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/804-79-0x00000000073B0000-0x00000000073CA000-memory.dmp
memory/804-47-0x0000000005D20000-0x0000000005D3E000-memory.dmp
memory/804-48-0x0000000005D70000-0x0000000005DBC000-memory.dmp
memory/804-61-0x0000000074D60000-0x0000000074DAC000-memory.dmp
memory/804-17-0x0000000004E50000-0x0000000005478000-memory.dmp
memory/804-46-0x0000000005860000-0x0000000005BB4000-memory.dmp
memory/804-18-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/952-89-0x0000000008760000-0x0000000008880000-memory.dmp
memory/952-91-0x0000000008880000-0x0000000008BD4000-memory.dmp
memory/952-90-0x0000000001180000-0x000000000118E000-memory.dmp
memory/952-23-0x0000000000400000-0x000000000040E000-memory.dmp
memory/952-92-0x0000000008DE0000-0x0000000008E2C000-memory.dmp
memory/952-88-0x0000000007DF0000-0x0000000008140000-memory.dmp
memory/1300-7-0x00000000059A0000-0x00000000059BC000-memory.dmp
memory/1300-0-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/1300-41-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/1300-10-0x0000000003200000-0x0000000003250000-memory.dmp
memory/1300-9-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/1300-8-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/1300-6-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/1300-4-0x0000000005840000-0x000000000584A000-memory.dmp
memory/1300-5-0x0000000005B50000-0x0000000005BEC000-memory.dmp
memory/1300-3-0x00000000058D0000-0x0000000005962000-memory.dmp
memory/1300-2-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/1300-1-0x0000000000F10000-0x0000000000F8A000-memory.dmp
memory/3636-30-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/3636-78-0x00000000071E0000-0x00000000071F4000-memory.dmp
memory/3636-80-0x00000000072C0000-0x00000000072C8000-memory.dmp
memory/3636-73-0x0000000006FA0000-0x0000000006FBA000-memory.dmp
memory/3636-49-0x0000000006E20000-0x0000000006E52000-memory.dmp
memory/3636-86-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3636-72-0x00000000075E0000-0x0000000007C5A000-memory.dmp
memory/3636-71-0x0000000006E70000-0x0000000006F13000-memory.dmp
memory/3636-60-0x0000000006240000-0x000000000625E000-memory.dmp
memory/3636-29-0x0000000005590000-0x00000000055F6000-memory.dmp
memory/3636-50-0x0000000074D60000-0x0000000074DAC000-memory.dmp
memory/3636-21-0x00000000744D0000-0x0000000074C80000-memory.dmp