Analysis
- max time kernel
93s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20240226-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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 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 64 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\68377873ED164EBBD6AE80748A2B137E.exe"C:\Users\Admin\AppData\Local\Temp\68377873ED164EBBD6AE80748A2B137E.exe"1⤵
- Checks computer location settings
- 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
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Kelvi InstaIler 1.7.4.exe
Kelvi Installer 1.7.4.exe
worker-html.js
memory/928-32-0x0000000005FA0000-0x00000000060AA000-memory.dmp
memory/928-34-0x0000000005910000-0x0000000005920000-memory.dmp
memory/928-27-0x0000000072B60000-0x0000000073310000-memory.dmp
memory/928-28-0x0000000005920000-0x0000000005986000-memory.dmp
memory/928-884-0x0000000072B60000-0x0000000073310000-memory.dmp
memory/928-30-0x00000000063F0000-0x0000000006A08000-memory.dmp
memory/928-31-0x0000000005E70000-0x0000000005E82000-memory.dmp
memory/928-42-0x0000000008440000-0x00000000089E4000-memory.dmp
memory/928-46-0x00000000075D0000-0x00000000075EE000-memory.dmp
memory/928-23-0x0000000001340000-0x0000000001362000-memory.dmp
memory/928-45-0x0000000007520000-0x0000000007596000-memory.dmp
memory/928-44-0x00000000074D0000-0x0000000007520000-memory.dmp
memory/928-43-0x0000000007430000-0x00000000074C2000-memory.dmp
memory/928-38-0x0000000006EE0000-0x0000000006F1C000-memory.dmp
memory/928-39-0x0000000006F20000-0x0000000006F6C000-memory.dmp
memory/928-40-0x0000000007260000-0x0000000007422000-memory.dmp
memory/928-41-0x0000000007960000-0x0000000007E8C000-memory.dmp
memory/1012-29-0x0000000005980000-0x0000000005990000-memory.dmp
memory/1012-36-0x0000000009F50000-0x0000000009F88000-memory.dmp
memory/1012-37-0x0000000009F20000-0x0000000009F2E000-memory.dmp
memory/1012-35-0x0000000005980000-0x0000000005990000-memory.dmp
memory/1012-33-0x0000000009D80000-0x0000000009D88000-memory.dmp
memory/1012-49-0x000000000B110000-0x000000000B122000-memory.dmp
memory/1012-48-0x0000000009E50000-0x0000000009E5A000-memory.dmp
memory/1012-22-0x0000000072B60000-0x0000000073310000-memory.dmp
memory/1012-881-0x0000000072B60000-0x0000000073310000-memory.dmp
memory/1012-21-0x0000000000F20000-0x0000000000F30000-memory.dmp