Analysis
- max time kernel
120s - max time network
149s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
21/09/2021, 15:01
General
- Target 2e83f3341b7e7468f8a6bed8ab8a3f71.exe
- Size 598KB
- Sample210921-sdwlsscecn
- SHA256 811b982a5a257a2a9acd46bbf0f68a166470726017e60bb752410ece2cf01ef5
Malware Config
Extracted
-
redline
-
21.09
-
185.215.113.17:48236
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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\2e83f3341b7e7468f8a6bed8ab8a3f71.exe"C:\Users\Admin\AppData\Local\Temp\2e83f3341b7e7468f8a6bed8ab8a3f71.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\sliders\lipstersh.exelipstersh.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/2168-116-0x0000000000400000-0x000000000051C000-memory.dmp
memory/2168-115-0x0000000002220000-0x00000000022EF000-memory.dmp
memory/2616-127-0x0000000005560000-0x0000000005561000-memory.dmp
memory/2616-130-0x0000000005720000-0x0000000005721000-memory.dmp
memory/2616-121-0x0000000000400000-0x0000000000467000-memory.dmp
memory/2616-122-0x0000000002420000-0x0000000002421000-memory.dmp
memory/2616-123-0x0000000002380000-0x000000000239F000-memory.dmp
memory/2616-124-0x0000000004A30000-0x0000000004A31000-memory.dmp
memory/2616-125-0x0000000002440000-0x000000000245E000-memory.dmp
memory/2616-126-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/2616-128-0x0000000005590000-0x0000000005591000-memory.dmp
memory/2616-129-0x00000000056A0000-0x00000000056A1000-memory.dmp
memory/2616-120-0x0000000000540000-0x0000000000570000-memory.dmp
memory/2616-132-0x0000000002423000-0x0000000002424000-memory.dmp
memory/2616-131-0x0000000002422000-0x0000000002423000-memory.dmp
memory/2616-133-0x0000000002424000-0x0000000002426000-memory.dmp
memory/2616-134-0x0000000006940000-0x0000000006941000-memory.dmp
memory/2616-135-0x0000000006B10000-0x0000000006B11000-memory.dmp
memory/2616-136-0x00000000070C0000-0x00000000070C1000-memory.dmp
memory/2616-137-0x0000000007180000-0x0000000007181000-memory.dmp
memory/2616-138-0x0000000007390000-0x0000000007391000-memory.dmp
memory/2616-139-0x0000000007400000-0x0000000007401000-memory.dmp