Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
26-09-2021 16:02
General
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Target
3e201fc20a90e669990e2994d2114b83.exe
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Size
139KB
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MD5
3e201fc20a90e669990e2994d2114b83
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SHA1
24bfc9636c793e7ceb309b08e319b2d925a080bd
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SHA256
c8c2f5565b13fbb60b89d11b7e71a03666c3afb2246b87e633cac8023bec0b24
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SHA512
4dae9203c1003ca32600d153d7a9f08fa3c50d7c665ee81d4d7608d8f47354e48493d4bb39af2a3259c7882ca0ba38f4db52033b0df3ddf4321cb7118b228591
Malware Config
Extracted
smokeloader
2020
http://naghenrietti1.top/
http://kimballiett2.top/
http://xadriettany3.top/
http://jebeccallis4.top/
http://nityanneron5.top/
http://umayaniela6.top/
http://lynettaram7.top/
http://sadineyalas8.top/
http://geenaldencia9.top/
http://aradysiusep10.top/
Extracted
raccoon
f6d7183c9e82d2a9b81e6c0608450aa66cefb51f
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url4cnc
https://t.me/justoprostohello
Extracted
raccoon
b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7
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url4cnc
https://t.me/hcdrom1
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Extracted
redline
karma
94.103.9.133:39323
Extracted
redline
Bliss
185.237.98.178:62607
Signatures
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Arkei
Arkei is an infostealer written in C++.
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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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 4 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
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suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
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Arkei Stealer Payload 1 IoCs
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Chinese Botnet Payload 1 IoCs
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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 11 IoCs
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Checks BIOS information in registry 2 TTPs 2 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 9 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 2 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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Adds Run key to start application 2 TTPs 1 IoCs
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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 1 IoCs
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 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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Program crash 1 IoCs
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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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Delays execution with timeout.exe 1 IoCs
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Modifies registry class 2 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 64 IoCs
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Suspicious use of FindShellTrayWindow 10 IoCs
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Suspicious use of SendNotifyMessage 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 47 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3e201fc20a90e669990e2994d2114b83.exe"C:\Users\Admin\AppData\Local\Temp\3e201fc20a90e669990e2994d2114b83.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3e201fc20a90e669990e2994d2114b83.exe"C:\Users\Admin\AppData\Local\Temp\3e201fc20a90e669990e2994d2114b83.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\A10D.exeC:\Users\Admin\AppData\Local\Temp\A10D.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\0AdS3tGtoO.exe"C:\Users\Admin\AppData\Local\Temp\0AdS3tGtoO.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"3⤵
- Creates scheduled task(s)
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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\A10D.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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C:\Users\Admin\AppData\Local\Temp\AC2A.exeC:\Users\Admin\AppData\Local\Temp\AC2A.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\B459.exeC:\Users\Admin\AppData\Local\Temp\B459.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\BA45.exeC:\Users\Admin\AppData\Local\Temp\BA45.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\BF57.exeC:\Users\Admin\AppData\Local\Temp\BF57.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 12282⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\C40B.exeC:\Users\Admin\AppData\Local\Temp\C40B.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\fbf.exe"C:\Users\Admin\AppData\Local\Temp\fbf.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"2⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
36KB
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Filesize
4KB
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Filesize
1.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
36KB
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Filesize
576KB
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Filesize
964KB
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Filesize
4KB
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Filesize
4KB
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Filesize
140KB
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Filesize
4KB
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Filesize
220KB
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Filesize
8KB
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Filesize
812KB
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Filesize
136KB
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Filesize
4KB
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Filesize
308KB
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Filesize
180KB
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Filesize
124KB
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Filesize
120KB
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Filesize
192KB
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Filesize
4KB
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Filesize
788KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
96KB
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Filesize
752KB
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Filesize
784KB
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Filesize
88KB
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Filesize
16KB
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Filesize
668KB
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Filesize
668KB
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Filesize
964KB
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Filesize
576KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
7.6MB
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Filesize
4KB