Analysis
- max time kernel
121s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
01/03/2024, 17:11
General
- Target 68377873ED164EBBD6AE80748A2B137E.exe
- Size 422KB
- Sample240301-vqaafaad3s
- SHA256 755bef72372ca90cd2560ca3d2b0407fcf5f44a2f31e594e75c93e491deaca59
Malware Config
Extracted
-
redline
-
6077866846
-
https://pastebin.com/raw/NgsUAPya
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 8 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 2 IoCs
- Drops file in Program Files directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\68377873ED164EBBD6AE80748A2B137E.exe"C:\Users\Admin\AppData\Local\Temp\68377873ED164EBBD6AE80748A2B137E.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Kelvi InstaIler 1.7.4.exe"C:\Program Files (x86)\Kelvi InstaIler 1.7.4.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Kelvi Installer 1.7.4.exe"C:\Program Files (x86)\Kelvi Installer 1.7.4.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Kelvi InstaIler 1.7.4.exe
Kelvi Installer 1.7.4.exe
94308059B57B3142E455B38A6EB92015
TarA377.tmp
memory/2616-41-0x00000000004E0000-0x00000000004EA000-memory.dmp
memory/2616-42-0x00000000009B0000-0x00000000009F0000-memory.dmp
memory/2616-39-0x00000000009B0000-0x00000000009F0000-memory.dmp
memory/2616-83-0x0000000073C80000-0x000000007436E000-memory.dmp
memory/2616-37-0x0000000073C80000-0x000000007436E000-memory.dmp
memory/2616-82-0x00000000009B0000-0x00000000009F0000-memory.dmp
memory/2616-32-0x0000000001370000-0x0000000001380000-memory.dmp
memory/2616-81-0x00000000004E0000-0x00000000004EA000-memory.dmp
memory/2616-43-0x00000000004E0000-0x00000000004EA000-memory.dmp
memory/2632-40-0x0000000004940000-0x0000000004980000-memory.dmp
memory/2632-33-0x0000000000130000-0x0000000000152000-memory.dmp
memory/2632-38-0x0000000073C80000-0x000000007436E000-memory.dmp
memory/2632-84-0x0000000073C80000-0x000000007436E000-memory.dmp
memory/2632-86-0x0000000073C80000-0x000000007436E000-memory.dmp