Analysis
- max time kernel
109s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
02/11/2021, 07:50
Static task
static1
Behavioral task
behavioral1
Sample
43e33d331c4e48ed90578a4eeda2a665.exe
Resource
win7-en-20210920
0 signatures
0 seconds
General
- Target 43e33d331c4e48ed90578a4eeda2a665.exe
- Size 550KB
- Sample211102-jpan2acad4
- SHA256 a471c6e29bde00363fce770ed79fb8f9fff011febc26e87862c53ca32aa3f55c
- MD5 43e33d331c4e48ed90578a4eeda2a665
- SHA1 c29b73fb2e9b3fbad6ff6aeb305a7bf09d46832d
- SHA512 39d2728d9c6bafc492a9c314fe5236640ec4cc75f6d08ace9a058e8c89889198c7b0734267754f3fa92637232e39438c04bbfa7902635473fb0dc0609b593cdc
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
redline
Botnet
-
02.11
C2
-
185.215.113.17:7700
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/3160-125-0x00000000022E0000-0x000000000230D000-memory.dmp family_redline behavioral2/memory/3160-127-0x0000000002580000-0x00000000025AC000-memory.dmp family_redline - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3160 dipster.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 43e33d331c4e48ed90578a4eeda2a665.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 43e33d331c4e48ed90578a4eeda2a665.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3160 dipster.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3160 dipster.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3496 wrote to memory of 3160 3496 43e33d331c4e48ed90578a4eeda2a665.exe 69 PID 3496 wrote to memory of 3160 3496 43e33d331c4e48ed90578a4eeda2a665.exe 69 PID 3496 wrote to memory of 3160 3496 43e33d331c4e48ed90578a4eeda2a665.exe 69
Processes
-
C:\Users\Admin\AppData\Local\Temp\43e33d331c4e48ed90578a4eeda2a665.exe"C:\Users\Admin\AppData\Local\Temp\43e33d331c4e48ed90578a4eeda2a665.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Users\Admin\AppData\Roaming\neverlose\dipster.exedipster.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3160
-