Analysis
- max time kernel
120s - max time network
152s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
25/09/2021, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
0c90ff848d05b4ea21c46896d421f825.exe
Resource
win7-en-20210920
General
- Target 0c90ff848d05b4ea21c46896d421f825.exe
- Size 547KB
- Sample210925-zaqppsdghp
- SHA256 a4260ab00a78d568cc36ad8a43cff5633bfd365e34d2378ccc11f42a56067f76
- MD5 0c90ff848d05b4ea21c46896d421f825
- SHA1 6567250aaccd8c2b2128407eba9f98bc7c30cecf
- SHA512 d76b61db5636c83eec65b5f5c2519ae5f05ae7cd52969f747eaa0e39245538431ee9f9131d3fe36d4696f63005213f7f2cfde6e571647e269c2555d44891535a
- MD5 SHA1 SHA512
Malware Config
Extracted
-
redline
-
mix26.09
-
185.215.113.15:6043
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
resource yara_rule behavioral2/memory/2548-122-0x0000000000800000-0x000000000081F000-memory.dmp family_redline behavioral2/memory/2548-124-0x0000000002450000-0x000000000246E000-memory.dmp family_redline - suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 2548 monns.exe - 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 0c90ff848d05b4ea21c46896d421f825.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 0c90ff848d05b4ea21c46896d421f825.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2548 monns.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2548 monns.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2064 wrote to memory of 2548 2064 0c90ff848d05b4ea21c46896d421f825.exe 70 PID 2064 wrote to memory of 2548 2064 0c90ff848d05b4ea21c46896d421f825.exe 70 PID 2064 wrote to memory of 2548 2064 0c90ff848d05b4ea21c46896d421f825.exe 70
Processes
-
C:\Users\Admin\AppData\Local\Temp\0c90ff848d05b4ea21c46896d421f825.exe"C:\Users\Admin\AppData\Local\Temp\0c90ff848d05b4ea21c46896d421f825.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Roaming\sliders\monns.exemonns.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548
-