Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
26-09-2021 16:16
General
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Target
948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e.exe
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Size
135KB
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MD5
883233a1ae141a887d763b4cee1fed3a
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SHA1
265cbafce6bd225dff0f3dd4e2792cd5e55ae677
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SHA256
948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e
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SHA512
ac35bec37f6d011d4fff0cc32a4fbb7d4a6400f2323dbea0f49eefa099b056db9f16e376c8725d0e6edf7beb512edf111970fa993ca611200c6067651de5e546
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
redline
installszxc
138.124.186.2:27999
Extracted
redline
z0rm1onbuild
45.156.21.209:56326
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
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 3 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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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 17 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 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 5 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 2 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 2 IoCs
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Suspicious use of SetThreadContext 2 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 6 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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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 2 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e.exe"C:\Users\Admin\AppData\Local\Temp\948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e.exe"C:\Users\Admin\AppData\Local\Temp\948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\F4E5.exeC:\Users\Admin\AppData\Local\Temp\F4E5.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\F4E5.exeC:\Users\Admin\AppData\Local\Temp\F4E5.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\FBDB.exeC:\Users\Admin\AppData\Local\Temp\FBDB.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\1158.exeC:\Users\Admin\AppData\Local\Temp\1158.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Stub.exe"C:\ProgramData\Stub.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\14F3.exeC:\Users\Admin\AppData\Local\Temp\14F3.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\1EE7.exeC:\Users\Admin\AppData\Local\Temp\1EE7.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5i7G0eD9xE.exe"C:\Users\Admin\AppData\Local\Temp\5i7G0eD9xE.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\1EE7.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\2AA0.exeC:\Users\Admin\AppData\Local\Temp\2AA0.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\33D9.exeC:\Users\Admin\AppData\Local\Temp\33D9.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\39F4.exeC:\Users\Admin\AppData\Local\Temp\39F4.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\40CB.exeC:\Users\Admin\AppData\Local\Temp\40CB.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 13442⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\45CD.exeC:\Users\Admin\AppData\Local\Temp\45CD.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
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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
16KB
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Filesize
668KB
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Filesize
1.3MB
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Filesize
788KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
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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
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Filesize
4KB
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Filesize
4KB
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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
4KB
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Filesize
7.6MB
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Filesize
752KB
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Filesize
784KB
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Filesize
1.3MB
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Filesize
576KB
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Filesize
964KB
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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
120KB
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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
4KB
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Filesize
4KB
-
Filesize
4KB
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Filesize
4KB
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Filesize
6.0MB
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Filesize
4KB
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Filesize
36KB
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Filesize
1.3MB
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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
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
88KB
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Filesize
88KB
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Filesize
4KB
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Filesize
696KB
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Filesize
308KB
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Filesize
668KB
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Filesize
1.3MB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
812KB
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Filesize
220KB
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Filesize
4KB