Analysis
- max time kernel
120s - max time network
154s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
23/12/2021, 08:50
General
- Target 23dbebd68e7001b38e02b56158b512b0.exe
- Size 702KB
- Sample211223-krlpraabcl
- SHA256 96a0b09a49fb70ec9283e9d892bdb21c5b5907906982eff2f6cc738c2e20f735
Malware Config
Extracted
-
redline
-
mix23.12
-
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\23dbebd68e7001b38e02b56158b512b0.exe"C:\Users\Admin\AppData\Local\Temp\23dbebd68e7001b38e02b56158b512b0.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/752-115-0x0000000000B70000-0x0000000000BDB000-memory.dmp
memory/752-117-0x0000000000400000-0x00000000008A1000-memory.dmp
memory/752-116-0x0000000000E00000-0x0000000000ECE000-memory.dmp
memory/1552-127-0x0000000004BA0000-0x0000000004BD2000-memory.dmp
memory/1552-131-0x0000000005790000-0x00000000057A2000-memory.dmp
memory/1552-123-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1552-122-0x0000000000550000-0x000000000069A000-memory.dmp
memory/1552-124-0x0000000002610000-0x0000000002644000-memory.dmp
memory/1552-125-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/1552-126-0x0000000004C80000-0x000000000517E000-memory.dmp
memory/1552-128-0x0000000004C72000-0x0000000004C73000-memory.dmp
memory/1552-129-0x0000000004C73000-0x0000000004C74000-memory.dmp
memory/1552-130-0x0000000005180000-0x0000000005786000-memory.dmp
memory/1552-121-0x00000000006A7000-0x00000000006D3000-memory.dmp
memory/1552-132-0x00000000057B0000-0x00000000058BA000-memory.dmp
memory/1552-133-0x00000000058E0000-0x000000000591E000-memory.dmp
memory/1552-134-0x0000000004C74000-0x0000000004C76000-memory.dmp
memory/1552-135-0x0000000005950000-0x000000000599B000-memory.dmp
memory/1552-136-0x0000000005BF0000-0x0000000005C66000-memory.dmp
memory/1552-137-0x0000000005CE0000-0x0000000005D72000-memory.dmp
memory/1552-138-0x0000000005CB0000-0x0000000005CCE000-memory.dmp
memory/1552-139-0x0000000005ED0000-0x0000000005F36000-memory.dmp
memory/1552-140-0x0000000006620000-0x00000000067E2000-memory.dmp
memory/1552-141-0x00000000067F0000-0x0000000006D1C000-memory.dmp