Analysis
- max time kernel
44s - max time network
116s - platform
windows10_x64 - resource
win10v20210410 - submitted
23/07/2021, 12:05
General
- Target 171cfddaa80f7036f4005aeaec8117e9.exe
- Size 597KB
- Sample210723-ld37kvsmce
- SHA256 5a7ee4cb1dccb84bc40cd076d86a4b97e67776cd7b7ff6c2ed8816bd4046a4e5
Malware Config
Extracted
-
redline
-
MIX 23.07
-
185.215.113.17:18597
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
- 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\171cfddaa80f7036f4005aeaec8117e9.exe"C:\Users\Admin\AppData\Local\Temp\171cfddaa80f7036f4005aeaec8117e9.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\closestep\apineshpp.exeapineshpp.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2732-124-0x00000000028B0000-0x00000000028B1000-memory.dmp
memory/2732-128-0x00000000050D2000-0x00000000050D3000-memory.dmp
memory/2732-136-0x0000000007310000-0x0000000007311000-memory.dmp
memory/2732-119-0x00000000025E0000-0x00000000025FB000-memory.dmp
memory/2732-120-0x00000000050E0000-0x00000000050E1000-memory.dmp
memory/2732-121-0x00000000026D0000-0x00000000026E9000-memory.dmp
memory/2732-122-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/2732-123-0x0000000002890000-0x0000000002891000-memory.dmp
memory/2732-135-0x00000000070D0000-0x00000000070D1000-memory.dmp
memory/2732-125-0x0000000000A00000-0x0000000000B4A000-memory.dmp
memory/2732-126-0x0000000000400000-0x00000000008AF000-memory.dmp
memory/2732-129-0x00000000050D3000-0x00000000050D4000-memory.dmp
memory/2732-127-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/2732-130-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/2732-131-0x0000000005BF0000-0x0000000005BF1000-memory.dmp
memory/2732-132-0x00000000050D4000-0x00000000050D6000-memory.dmp
memory/2732-133-0x00000000068A0000-0x00000000068A1000-memory.dmp
memory/2732-134-0x0000000006A70000-0x0000000006A71000-memory.dmp
memory/4056-114-0x00000000025D0000-0x000000000269C000-memory.dmp
memory/4056-115-0x0000000000400000-0x00000000008FF000-memory.dmp