Analysis
- max time kernel
119s - max time network
147s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
16/12/2021, 08:40
General
- Target 9fcebc54e8d0276b9723e45d8ae9eac3.exe
- Size 570KB
- Sample211216-kkwldaccgp
- SHA256 ffbb9cbfc1d209d6a3f4c835ecb844b8ab585a4834511613d34191165a3feb61
Malware Config
Extracted
-
redline
-
mix16.12
-
185.215.113.70:21508
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fcebc54e8d0276b9723e45d8ae9eac3.exe"C:\Users\Admin\AppData\Local\Temp\9fcebc54e8d0276b9723e45d8ae9eac3.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\neofed\neofim.exeneofim.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3784-127-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/3784-138-0x0000000005F90000-0x0000000005F91000-memory.dmp
memory/3784-141-0x0000000006B20000-0x0000000006B21000-memory.dmp
memory/3784-140-0x0000000006940000-0x0000000006941000-memory.dmp
memory/3784-121-0x00000000029F0000-0x0000000002A1E000-memory.dmp
memory/3784-122-0x0000000004F50000-0x0000000004F51000-memory.dmp
memory/3784-123-0x0000000002A90000-0x0000000002ABD000-memory.dmp
memory/3784-125-0x0000000000CB0000-0x0000000000CE9000-memory.dmp
memory/3784-124-0x00000000009A0000-0x00000000009CB000-memory.dmp
memory/3784-126-0x0000000000400000-0x000000000083B000-memory.dmp
memory/3784-139-0x0000000006110000-0x0000000006111000-memory.dmp
memory/3784-128-0x0000000002A22000-0x0000000002A23000-memory.dmp
memory/3784-131-0x0000000002B60000-0x0000000002B61000-memory.dmp
memory/3784-129-0x0000000002A23000-0x0000000002A24000-memory.dmp
memory/3784-132-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/3784-133-0x0000000002BB0000-0x0000000002BB1000-memory.dmp
memory/3784-134-0x0000000005B90000-0x0000000005B91000-memory.dmp
memory/3784-135-0x0000000002A24000-0x0000000002A26000-memory.dmp
memory/3784-136-0x0000000005E30000-0x0000000005E31000-memory.dmp
memory/3784-137-0x0000000005EB0000-0x0000000005EB1000-memory.dmp
memory/3784-130-0x0000000005450000-0x0000000005451000-memory.dmp
memory/4088-116-0x0000000000E00000-0x0000000000ECE000-memory.dmp
memory/4088-115-0x0000000000D90000-0x0000000000DFB000-memory.dmp
memory/4088-117-0x0000000000400000-0x0000000000880000-memory.dmp