Analysis
- max time kernel
140s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
04/07/2024, 03:52
General
- Target LIXVoWXPPCyc5Jy.exe
- Size 2.5MB
- Sample240704-ee672avenb
- SHA256 d9aa21479a1a55d57839aee6310cd6853b2bc5215337aa72316a96f7be7ff3e5
Malware Config
Extracted
-
bitrat
-
1.34
-
curtisusa.hopto.org:5215
-
communication_password
ee342c2505c08512ed898d3855498f1a
-
tor_process
tor
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- UPX packed file 20 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\LIXVoWXPPCyc5Jy.exe"C:\Users\Admin\AppData\Local\Temp\LIXVoWXPPCyc5Jy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AGbGTkAzcl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAEE.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1308,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=4016 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpBAEE.tmp
memory/628-16-0x0000000074650000-0x0000000074C01000-memory.dmp
memory/628-1-0x0000000074650000-0x0000000074C01000-memory.dmp
memory/628-2-0x0000000074650000-0x0000000074C01000-memory.dmp
memory/628-3-0x0000000074652000-0x0000000074653000-memory.dmp
memory/628-4-0x0000000074650000-0x0000000074C01000-memory.dmp
memory/628-5-0x0000000074650000-0x0000000074C01000-memory.dmp
memory/628-6-0x0000000074650000-0x0000000074C01000-memory.dmp
memory/628-0-0x0000000074652000-0x0000000074653000-memory.dmp
memory/2920-27-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-31-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-13-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-10-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-12-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-18-0x0000000074370000-0x00000000743A9000-memory.dmp
memory/2920-19-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-25-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-26-0x0000000074750000-0x0000000074789000-memory.dmp
memory/2920-11-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-28-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-29-0x0000000074750000-0x0000000074789000-memory.dmp
memory/2920-30-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-14-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-32-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-33-0x0000000074750000-0x0000000074789000-memory.dmp
memory/2920-34-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-35-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-36-0x0000000074750000-0x0000000074789000-memory.dmp
memory/2920-38-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-37-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-39-0x0000000074750000-0x0000000074789000-memory.dmp
memory/2920-40-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-41-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-42-0x0000000074750000-0x0000000074789000-memory.dmp
memory/2920-44-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-43-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2920-45-0x0000000074750000-0x0000000074789000-memory.dmp