Analysis
- max time kernel
606s - max time network
613s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/04/2024, 13:10
General
- Target 23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe
- Size 5.2MB
- Sample240409-qegg6aba8y
- SHA256 23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa
Malware Config
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- BitRAT payload 2 IoCs
- ACProtect 1.3x - 1.4x DLL software 7 IoCs
Detects file using ACProtect software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 9 IoCs
- UPX packed file 35 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 5 IoCs
- Looks up external IP address via web service 17 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: RenamesItself 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe"C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe"C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe" -f torrc2⤵
- Executes dropped EXE
- Loads dropped DLL
-
-
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 --mojo-platform-channel-handle=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵
-
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 --mojo-platform-channel-handle=4092 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cached-microdesc-consensus.tmp
cached-microdescs.new
javaupdate.exe
libcrypto-1_1.dll
libevent-2-1-6.dll
libgcc_s_sjlj-1.dll
libssl-1_1.dll
libssp-0.dll
libwinpthread-1.dll
torrc
zlib1.dll
memory/2024-293-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-221-0x0000000074320000-0x0000000074359000-memory.dmp
memory/2024-477-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-276-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-513-0x00000000724E0000-0x0000000072519000-memory.dmp
memory/2024-256-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-225-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-338-0x00000000724E0000-0x0000000072519000-memory.dmp
memory/2024-12-0x0000000000400000-0x0000000000D54000-memory.dmp
memory/2024-182-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-130-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-2-0x0000000074320000-0x0000000074359000-memory.dmp
memory/2024-50-0x0000000072EB0000-0x0000000072EE9000-memory.dmp
memory/2024-1-0x0000000000400000-0x0000000000D54000-memory.dmp
memory/2024-86-0x0000000073EE0000-0x0000000073F19000-memory.dmp
memory/2024-0-0x0000000000400000-0x0000000000D54000-memory.dmp
memory/2804-53-0x0000000073820000-0x0000000073869000-memory.dmp
memory/2804-95-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-56-0x0000000073650000-0x0000000073718000-memory.dmp
memory/2804-57-0x0000000073540000-0x000000007364A000-memory.dmp
memory/2804-58-0x0000000073270000-0x000000007353F000-memory.dmp
memory/2804-59-0x00000000731E0000-0x0000000073268000-memory.dmp
memory/2804-60-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-68-0x0000000001DB0000-0x000000000207F000-memory.dmp
memory/2804-69-0x00000000015D0000-0x0000000001658000-memory.dmp
memory/2804-54-0x0000000073750000-0x000000007381E000-memory.dmp
memory/2804-78-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-52-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-87-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-55-0x0000000073720000-0x0000000073744000-memory.dmp
memory/2804-51-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-113-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-122-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-42-0x0000000073270000-0x000000007353F000-memory.dmp
memory/2804-131-0x0000000000270000-0x0000000000674000-memory.dmp
memory/2804-45-0x00000000015D0000-0x0000000001658000-memory.dmp
memory/2804-44-0x00000000731E0000-0x0000000073268000-memory.dmp
memory/2804-40-0x0000000001DB0000-0x000000000207F000-memory.dmp
memory/2804-37-0x0000000073540000-0x000000007364A000-memory.dmp
memory/2804-34-0x0000000073650000-0x0000000073718000-memory.dmp
memory/2804-31-0x0000000073720000-0x0000000073744000-memory.dmp
memory/2804-29-0x0000000073750000-0x000000007381E000-memory.dmp
memory/2804-27-0x0000000073820000-0x0000000073869000-memory.dmp
memory/2804-23-0x0000000000270000-0x0000000000674000-memory.dmp