Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
30-09-2021 02:56
General
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Target
539cd7419efcd8142d20462511e931d3.exe
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Size
240KB
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MD5
539cd7419efcd8142d20462511e931d3
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SHA1
2faf7df4c337ab8a4136560fd4b6fa0df8085bf7
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SHA256
4ba939154ee9df1004629da3aee541a36eb4faabe421190ddbbbf1ccd195e03a
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SHA512
a3ee44f0d4af926d6327af02229941e348fadc5d18d7d2b3278c3e6d3ee585af5c8f5be13fa89cd247dadf241ba08fce7c8c6e11d8959461d49305d38009ca45
Malware Config
Extracted
smokeloader
2020
http://fiskahlilian16.top/
http://paishancho17.top/
http://ydiannetter18.top/
http://azarehanelle19.top/
http://quericeriant20.top/
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Extracted
redline
Second BUILD
asyndenera.xyz:15667
Signatures
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Raccoon
Simple but powerful infostealer which was very active in 2019.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 2 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Downloads MZ/PE file
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Executes dropped EXE 5 IoCs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself 1 IoCs
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Loads dropped DLL 5 IoCs
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer 4 IoCs
Detects Themida, an advanced Windows software protection system.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 63 IoCs
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Suspicious use of WriteProcessMemory 26 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\539cd7419efcd8142d20462511e931d3.exe"C:\Users\Admin\AppData\Local\Temp\539cd7419efcd8142d20462511e931d3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\539cd7419efcd8142d20462511e931d3.exe"C:\Users\Admin\AppData\Local\Temp\539cd7419efcd8142d20462511e931d3.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\DCAA.exeC:\Users\Admin\AppData\Local\Temp\DCAA.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\E94D.exeC:\Users\Admin\AppData\Local\Temp\E94D.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InternodesPiets_2021-09-29_21-00.exe"C:\Users\Admin\AppData\Local\Temp\InternodesPiets_2021-09-29_21-00.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Money10k_.exe"C:\Users\Admin\AppData\Local\Temp\Money10k_.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\F1EA.exeC:\Users\Admin\AppData\Local\Temp\F1EA.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\F1EA.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
64KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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64KB
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64KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
84KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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4KB
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120KB
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4KB
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4KB
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Filesize
372KB
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Filesize
192KB
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8KB
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Filesize
124KB
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4KB
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Filesize
36KB
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Filesize
36KB
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Filesize
4KB
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4KB
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4KB
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4KB
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Filesize
4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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Filesize
1.6MB
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Filesize
4KB
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4KB
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4KB
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Filesize
576KB
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Filesize
4.7MB
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Filesize
4KB
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Filesize
4KB
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Filesize
1.6MB
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Filesize
4KB