Analysis
- max time kernel
20s - max time network
119s - platform
windows10_x64 - resource
win10v20210408 - submitted
27/07/2021, 15:41
General
- Target 1d6b63ce5bee7ec6455dd282acb1b5f0.exe
- Size 2.7MB
- Sample210727-bg95qa6rhx
- SHA256 cd6e802e4d9d8fc24642cb0c5e441fbc2025215c0d99252ff01c40350642937b
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 1 IoCs
Detects Themida, an advanced Windows software protection system.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1d6b63ce5bee7ec6455dd282acb1b5f0.exe"C:\Users\Admin\AppData\Local\Temp\1d6b63ce5bee7ec6455dd282acb1b5f0.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/632-115-0x00000000779F0000-0x0000000077B7E000-memory.dmp
memory/632-116-0x0000000000990000-0x0000000000991000-memory.dmp
memory/632-118-0x0000000006300000-0x0000000006301000-memory.dmp
memory/632-119-0x0000000005BC0000-0x0000000005BC1000-memory.dmp
memory/632-120-0x0000000005C20000-0x0000000005C21000-memory.dmp
memory/632-121-0x0000000005C60000-0x0000000005C61000-memory.dmp
memory/632-122-0x0000000005CE0000-0x0000000005CE1000-memory.dmp
memory/632-123-0x0000000005E10000-0x0000000005E11000-memory.dmp
memory/632-124-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/632-125-0x00000000074E0000-0x00000000074E1000-memory.dmp
memory/632-126-0x0000000007060000-0x0000000007061000-memory.dmp
memory/632-127-0x0000000007270000-0x0000000007271000-memory.dmp
memory/632-128-0x0000000007390000-0x0000000007391000-memory.dmp
memory/632-129-0x0000000007F10000-0x0000000007F11000-memory.dmp
memory/632-130-0x0000000007490000-0x0000000007491000-memory.dmp