Analysis
- max time kernel
66s - max time network
129s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/10/2021, 23:59
Static task
static1
Behavioral task
behavioral1
Sample
514d7999fe66e570441ddfe29816318b.exe
Resource
win7-en-20210920
General
- Target 514d7999fe66e570441ddfe29816318b.exe
- Size 588KB
- Sample211007-31p3msdbgl
- SHA256 0d26ea04ba2af21fab0fbef4ebe8331db037f0d540bc569b5591c2f613a502f4
- MD5 514d7999fe66e570441ddfe29816318b
- SHA1 f5a7e31fb788f45741539604bf3848850a18f7fd
- SHA512 a8fe2f8f7750ba6a4de4383523a7a30bb7e99f82d3c2962215bf17e63947408a29d6e78f90f0a1fd95781c2f4a0703355722d77dd1d3b4340ca3725a9cd9fde8
- MD5 SHA1 SHA512
Malware Config
Extracted
-
redline
-
mix08.10
-
185.215.113.15:57055
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/2328-123-0x0000000004AC0000-0x0000000004ADF000-memory.dmp family_redline behavioral2/memory/2328-125-0x0000000004F30000-0x0000000004F4D000-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 2328 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 514d7999fe66e570441ddfe29816318b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 514d7999fe66e570441ddfe29816318b.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2328 monns.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2328 monns.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 652 wrote to memory of 2328 652 514d7999fe66e570441ddfe29816318b.exe 72 PID 652 wrote to memory of 2328 652 514d7999fe66e570441ddfe29816318b.exe 72 PID 652 wrote to memory of 2328 652 514d7999fe66e570441ddfe29816318b.exe 72
Processes
-
C:\Users\Admin\AppData\Local\Temp\514d7999fe66e570441ddfe29816318b.exe"C:\Users\Admin\AppData\Local\Temp\514d7999fe66e570441ddfe29816318b.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Users\Admin\AppData\Roaming\gfree\monns.exemonns.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328
-