Analysis
- max time kernel
120s - max time network
149s - platform
windows7_x64 - resource
win7-en-20211104 - submitted
02/12/2021, 02:03
General
- Target 8f26f65270a53c011e3908d7ae34ce0e.exe
- Size 2.2MB
- Sample211202-cgp1esdbf7
- SHA256 a8c670e05a3134defec2bb6565c6aad83ffebd9465dcf0fc6727f2f550802062
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies Internet Explorer settings 1 TTPs 34 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f26f65270a53c011e3908d7ae34ce0e.exe"C:\Users\Admin\AppData\Local\Temp\8f26f65270a53c011e3908d7ae34ce0e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://iplogger.org/2HENL62⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2032 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1112-66-0x0000000076F20000-0x000000007707C000-memory.dmp
memory/1112-72-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/1112-58-0x0000000000360000-0x0000000000361000-memory.dmp
memory/1112-61-0x0000000000240000-0x0000000000280000-memory.dmp
memory/1112-62-0x0000000000370000-0x0000000000371000-memory.dmp
memory/1112-60-0x0000000076A20000-0x0000000076ACC000-memory.dmp
memory/1112-63-0x00000000766D0000-0x0000000076717000-memory.dmp
memory/1112-64-0x0000000077080000-0x00000000770D7000-memory.dmp
memory/1112-67-0x0000000000990000-0x0000000000991000-memory.dmp
memory/1112-71-0x00000000758F0000-0x000000007653A000-memory.dmp
memory/1112-57-0x0000000000990000-0x0000000000BB6000-memory.dmp
memory/1112-69-0x0000000077650000-0x00000000776DF000-memory.dmp
memory/1112-55-0x00000000758F1000-0x00000000758F3000-memory.dmp
memory/1112-73-0x0000000074540000-0x0000000074557000-memory.dmp
memory/1112-74-0x00000000767C0000-0x00000000767F5000-memory.dmp
memory/1112-75-0x000000006ED70000-0x000000006EF00000-memory.dmp
memory/1112-76-0x000000006DB50000-0x000000006DB67000-memory.dmp
memory/1112-56-0x0000000075620000-0x000000007566A000-memory.dmp
memory/2032-78-0x000007FEFC651000-0x000007FEFC653000-memory.dmp
memory/2032-79-0x0000000002120000-0x0000000002130000-memory.dmp