Analysis
- max time kernel
120s - max time network
122s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
24/11/2021, 13:35
General
- Target e31893ca0c91bd54e4135ded2446901b.exe
- Size 1.3MB
- Sample211124-qvtsescgdk
- SHA256 3fb74a3f94a3c50a794e299d9e2be36d86870570dcbc99df904d7fb0e1b650f4
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 1 IoCs
- 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.
- 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 behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e31893ca0c91bd54e4135ded2446901b.exe"C:\Users\Admin\AppData\Local\Temp\e31893ca0c91bd54e4135ded2446901b.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1268-55-0x0000000076081000-0x0000000076083000-memory.dmp
memory/1268-57-0x00000000027E0000-0x00000000027E1000-memory.dmp
memory/1268-58-0x00000000027F0000-0x00000000027F1000-memory.dmp
memory/1268-56-0x0000000000290000-0x00000000002F0000-memory.dmp
memory/1268-65-0x00000000034D0000-0x00000000034D1000-memory.dmp
memory/1268-66-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-67-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-64-0x0000000002800000-0x0000000002801000-memory.dmp
memory/1268-95-0x0000000002880000-0x0000000002881000-memory.dmp
memory/1268-102-0x0000000000390000-0x0000000000391000-memory.dmp
memory/1268-101-0x0000000000C00000-0x0000000000C01000-memory.dmp
memory/1268-100-0x00000000028D0000-0x00000000028D1000-memory.dmp
memory/1268-103-0x0000000000390000-0x0000000000391000-memory.dmp
memory/1268-99-0x0000000000390000-0x0000000000391000-memory.dmp
memory/1268-98-0x0000000000390000-0x0000000000391000-memory.dmp
memory/1268-97-0x00000000028E0000-0x00000000028E1000-memory.dmp
memory/1268-96-0x0000000002870000-0x0000000002871000-memory.dmp
memory/1268-94-0x00000000028C0000-0x00000000028C1000-memory.dmp
memory/1268-93-0x0000000002850000-0x0000000002851000-memory.dmp
memory/1268-92-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/1268-91-0x0000000002890000-0x0000000002891000-memory.dmp
memory/1268-90-0x0000000000390000-0x0000000000391000-memory.dmp
memory/1268-89-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-88-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-87-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-86-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-85-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-84-0x0000000002780000-0x0000000002781000-memory.dmp
memory/1268-83-0x0000000002710000-0x0000000002711000-memory.dmp
memory/1268-82-0x0000000002720000-0x0000000002721000-memory.dmp
memory/1268-81-0x0000000002760000-0x0000000002761000-memory.dmp
memory/1268-80-0x0000000000EC0000-0x0000000000EC1000-memory.dmp
memory/1268-79-0x0000000002740000-0x0000000002741000-memory.dmp
memory/1268-78-0x0000000002730000-0x0000000002731000-memory.dmp
memory/1268-77-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-76-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-75-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
memory/1268-74-0x00000000009C0000-0x00000000009C1000-memory.dmp
memory/1268-73-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/1268-72-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/1268-71-0x00000000009A0000-0x00000000009A1000-memory.dmp
memory/1268-70-0x0000000000990000-0x0000000000991000-memory.dmp
memory/1268-69-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-68-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/1268-63-0x0000000002830000-0x0000000002831000-memory.dmp
memory/1268-62-0x00000000027C0000-0x00000000027C1000-memory.dmp
memory/1268-61-0x00000000027D0000-0x00000000027D1000-memory.dmp
memory/1268-60-0x0000000002810000-0x0000000002811000-memory.dmp
memory/1268-59-0x00000000027A0000-0x00000000027A1000-memory.dmp
memory/1268-104-0x0000000000400000-0x00000000007F4000-memory.dmp
memory/1268-105-0x0000000000400000-0x0000000000402000-memory.dmp
memory/1268-107-0x0000000005AD0000-0x0000000005AD1000-memory.dmp