Analysis
- max time kernel
143s - max time network
163s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/09/2021, 06:27
General
- Target ye4s11.exe
- Size 814KB
- Sample210907-g7sapafcfn
- SHA256 381ae37b8ac16db49c8293b24ea7f7c8e88219bdb79e78d240a4acd2d9e88f30
Malware Config
Extracted
-
redline
-
0815
-
185.206.212.37:1134
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ye4s11.exe"C:\Users\Admin\AppData\Local\Temp\ye4s11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ye4s11.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/776-114-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/776-116-0x0000000005000000-0x0000000005001000-memory.dmp
memory/776-117-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/776-118-0x0000000004B10000-0x0000000004B11000-memory.dmp
memory/776-119-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/776-120-0x00000000049C0000-0x00000000049C1000-memory.dmp
memory/776-121-0x0000000004D00000-0x0000000004D60000-memory.dmp
memory/776-122-0x0000000007000000-0x0000000007001000-memory.dmp
memory/776-123-0x0000000004E30000-0x0000000004E34000-memory.dmp
memory/776-124-0x0000000006930000-0x0000000006986000-memory.dmp
memory/776-125-0x00000000023F0000-0x000000000242D000-memory.dmp
memory/1368-135-0x0000000005B60000-0x0000000005B61000-memory.dmp
memory/1368-129-0x00000000034E0000-0x0000000003510000-memory.dmp
memory/1368-131-0x0000000003550000-0x000000000357E000-memory.dmp
memory/1368-132-0x0000000006CB0000-0x0000000006CB1000-memory.dmp
memory/1368-133-0x0000000003750000-0x0000000003751000-memory.dmp
memory/1368-134-0x0000000005B20000-0x0000000005B21000-memory.dmp
memory/1368-126-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1368-136-0x0000000005DB0000-0x0000000005DB1000-memory.dmp
memory/1368-138-0x0000000005C90000-0x0000000005C91000-memory.dmp
memory/1368-140-0x0000000005C93000-0x0000000005C94000-memory.dmp
memory/1368-139-0x0000000005C92000-0x0000000005C93000-memory.dmp
memory/1368-137-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1368-141-0x0000000005C94000-0x0000000005C96000-memory.dmp
memory/1368-143-0x00000000074C0000-0x00000000074C1000-memory.dmp