Analysis
- max time kernel
145s - max time network
157s - platform
windows10_x64 - resource
win10v20210408 - submitted
20/06/2021, 08:10
General
- Target 204312b9e407d9589fbff53a705f895a.exe
- Size 699KB
- Sample210620-vkvm429e2j
- SHA256 3e503d31e990d9452c5f5ee146e7f83f46df6b034563f8a6d10959de7b43ae78
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\204312b9e407d9589fbff53a705f895a.exe"C:\Users\Admin\AppData\Local\Temp\204312b9e407d9589fbff53a705f895a.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exeedspolishpp.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/3920-115-0x0000000000400000-0x000000000094D000-memory.dmp
memory/3920-114-0x0000000002630000-0x00000000026FE000-memory.dmp
memory/3964-124-0x0000000004E92000-0x0000000004E93000-memory.dmp
memory/3964-127-0x00000000053A0000-0x00000000053A1000-memory.dmp
memory/3964-120-0x0000000002510000-0x000000000253F000-memory.dmp
memory/3964-123-0x0000000004E90000-0x0000000004E91000-memory.dmp
memory/3964-122-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
memory/3964-121-0x0000000000400000-0x00000000008FD000-memory.dmp
memory/3964-125-0x0000000004E93000-0x0000000004E94000-memory.dmp
memory/3964-126-0x0000000004E20000-0x0000000004E39000-memory.dmp
memory/3964-119-0x0000000002720000-0x000000000273B000-memory.dmp
memory/3964-128-0x0000000005A00000-0x0000000005A01000-memory.dmp
memory/3964-129-0x0000000005A30000-0x0000000005A31000-memory.dmp
memory/3964-130-0x0000000004E94000-0x0000000004E96000-memory.dmp
memory/3964-131-0x0000000005A80000-0x0000000005A81000-memory.dmp
memory/3964-132-0x0000000005C10000-0x0000000005C11000-memory.dmp
memory/3964-133-0x0000000006950000-0x0000000006951000-memory.dmp
memory/3964-134-0x0000000006B20000-0x0000000006B21000-memory.dmp
memory/3964-135-0x0000000007130000-0x0000000007131000-memory.dmp
memory/3964-136-0x0000000007680000-0x0000000007681000-memory.dmp