Analysis
- max time kernel
120s - max time network
129s - platform
windows10_x64 - resource
win10v20210408 - submitted
23/07/2021, 12:42
General
- Target a04586283fcf8fb8e3412a59d729cae7.exe
- Size 597KB
- Sample210723-algmzd831n
- SHA256 df15d40ac6ba9f2b529e924a36fd7d55c855935dfc28a210e39ca688bac0131b
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\a04586283fcf8fb8e3412a59d729cae7.exe"C:\Users\Admin\AppData\Local\Temp\a04586283fcf8fb8e3412a59d729cae7.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
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Downloads
memory/660-115-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/660-114-0x0000000000BF0000-0x0000000000CBC000-memory.dmp
memory/2596-124-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/2596-127-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/2596-119-0x00000000008B0000-0x00000000009FA000-memory.dmp
memory/2596-121-0x0000000002970000-0x000000000298B000-memory.dmp
memory/2596-123-0x00000000050C2000-0x00000000050C3000-memory.dmp
memory/2596-122-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/2596-125-0x0000000004F10000-0x0000000004F29000-memory.dmp
memory/2596-126-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/2596-120-0x0000000000400000-0x00000000008AF000-memory.dmp
memory/2596-128-0x00000000050C3000-0x00000000050C4000-memory.dmp
memory/2596-129-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/2596-130-0x0000000005050000-0x0000000005051000-memory.dmp
memory/2596-131-0x00000000050C4000-0x00000000050C6000-memory.dmp
memory/2596-132-0x0000000005D00000-0x0000000005D01000-memory.dmp
memory/2596-133-0x0000000006940000-0x0000000006941000-memory.dmp
memory/2596-134-0x0000000006B10000-0x0000000006B11000-memory.dmp
memory/2596-135-0x00000000070C0000-0x00000000070C1000-memory.dmp
memory/2596-136-0x0000000007400000-0x0000000007401000-memory.dmp