Analysis
- max time kernel
94s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
06/05/2022, 06:54
General
- Target DNS22.exe
- Size 353KB
- Sample220506-hpbqnahda4
- SHA256 16bbcac8ee265d2fb89c92ab1b4142e8826ca297dadc6d91f2cd6a49c89f790c
Score
10/10
Malware Config
Extracted
Family
-
arkei
Botnet
-
Default
Signatures
- Arkei
Arkei is an infostealer written in C++.
- suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
- Loads dropped DLL 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.
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes
-
C:\Users\Admin\AppData\Local\Temp\DNS22.exe"C:\Users\Admin\AppData\Local\Temp\DNS22.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 13562⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2868 -ip 28681⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
memory/2868-131-0x0000000000560000-0x0000000000589000-memory.dmp
memory/2868-132-0x0000000000400000-0x00000000004EC000-memory.dmp
memory/2868-130-0x00000000005CD000-0x00000000005ED000-memory.dmp
memory/2868-133-0x0000000060900000-0x0000000060992000-memory.dmp