Analysis
- max time kernel
150s - max time network
133s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
02/10/2021, 02:21
General
- Target 0da4509df08282f3acf044025284acf5.exe
- Size 263KB
- Sample211002-cs17tsddd7
- SHA256 2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5
Malware Config
Extracted
-
smokeloader
-
2020
-
http://fiskahlilian16.top/
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http://paishancho17.top/
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http://ydiannetter18.top/
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http://azarehanelle19.top/
-
http://quericeriant20.top/
Extracted
-
raccoon
-
�ru2AC�^�����wL,Q֎�B��Mc1/`�`�1K�:�y�
-
url4cnc
�cb{K^�WXP�۸��fB:O�٩ϥ6=q!�(�p�2�d��oqix����7�W��e�gV�� ����1 ���J2�탾ݭ�
Extracted
-
raccoon
-
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
-
url4cnc
https://t.me/agrybirdsgamerept
Signatures
- Raccoon
Simple but powerful infostealer which was very active in 2019.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 8 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0da4509df08282f3acf044025284acf5.exe"C:\Users\Admin\AppData\Local\Temp\0da4509df08282f3acf044025284acf5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0da4509df08282f3acf044025284acf5.exe"C:\Users\Admin\AppData\Local\Temp\0da4509df08282f3acf044025284acf5.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Local\Temp\C3F.exeC:\Users\Admin\AppData\Local\Temp\C3F.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\C3F.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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-
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C:\Users\Admin\AppData\Local\Temp\E53.exeC:\Users\Admin\AppData\Local\Temp\E53.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1248-64-0x0000000000400000-0x00000000008B0000-memory.dmp
memory/1248-63-0x00000000008B0000-0x000000000093E000-memory.dmp
memory/1384-57-0x00000000025A0000-0x00000000025B5000-memory.dmp
memory/1612-67-0x0000000000400000-0x00000000008B1000-memory.dmp
memory/1612-66-0x0000000000220000-0x00000000002B0000-memory.dmp
memory/1984-55-0x0000000075C11000-0x0000000075C13000-memory.dmp
memory/1984-53-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2008-56-0x0000000000020000-0x0000000000029000-memory.dmp