Analysis
- max time kernel
76s - max time network
135s - platform
windows10_x64 - resource
win10v20210408 - submitted
11/08/2021, 09:46
Static task
static1
Behavioral task
behavioral1
Sample
659BCEFDB9C6E948D20CC2582FA081EC.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
659BCEFDB9C6E948D20CC2582FA081EC.exe
Resource
win10v20210408
General
- Target 659BCEFDB9C6E948D20CC2582FA081EC.exe
- Size 477KB
- Sample210811-vr9dqdzgp6
- SHA256 30dbf8a38ef44fcafeb10cf5339d7e124773d1c7f33e269f1100b6c4f93a134b
- MD5 659bcefdb9c6e948d20cc2582fa081ec
- SHA1 f70f4874c0ad8df7a43c8f302e6720eac05945ee
- SHA512 dc88174b37aa84ce994091a71a202f5b285bcfce9dac6b7a181aa1d5054d450dde98be8091dbddd11c55f4f85f06642ce5a329162986293ba784495110ce5c44
- MD5 SHA1 SHA512
Malware Config
Extracted
-
raccoon
-
83fbe81dd43f775dd8af3cd619f88f428fbd9a96
-
url4cnc
https://telete.in/opa4kiprivatem
Signatures
- Raccoon Stealer Payload 3 IoCs
resource yara_rule behavioral2/memory/808-115-0x0000000000400000-0x0000000002CAE000-memory.dmp family_raccoon behavioral2/memory/808-114-0x00000000048E0000-0x0000000004973000-memory.dmp family_raccoon behavioral2/memory/3820-127-0x0000000002C70000-0x0000000002D1E000-memory.dmp family_raccoon - Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 3820 m6qSpW8neJ.exe 2240 sqlcmd.exe - Loads dropped DLL 5 IoCs
pid Process 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 808 659BCEFDB9C6E948D20CC2582FA081EC.exe - 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2164 schtasks.exe 2512 schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3648 timeout.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 808 wrote to memory of 3820 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 78 PID 808 wrote to memory of 3820 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 78 PID 808 wrote to memory of 3820 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 78 PID 808 wrote to memory of 2804 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 79 PID 808 wrote to memory of 2804 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 79 PID 808 wrote to memory of 2804 808 659BCEFDB9C6E948D20CC2582FA081EC.exe 79 PID 2804 wrote to memory of 3648 2804 cmd.exe 81 PID 2804 wrote to memory of 3648 2804 cmd.exe 81 PID 2804 wrote to memory of 3648 2804 cmd.exe 81 PID 3820 wrote to memory of 2164 3820 m6qSpW8neJ.exe 82 PID 3820 wrote to memory of 2164 3820 m6qSpW8neJ.exe 82 PID 3820 wrote to memory of 2164 3820 m6qSpW8neJ.exe 82 PID 2240 wrote to memory of 2512 2240 sqlcmd.exe 85 PID 2240 wrote to memory of 2512 2240 sqlcmd.exe 85 PID 2240 wrote to memory of 2512 2240 sqlcmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\659BCEFDB9C6E948D20CC2582FA081EC.exe"C:\Users\Admin\AppData\Local\Temp\659BCEFDB9C6E948D20CC2582FA081EC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\m6qSpW8neJ.exe"C:\Users\Admin\AppData\Local\Temp\m6qSpW8neJ.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"3⤵
- Creates scheduled task(s)
PID:2164
-
-
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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\659BCEFDB9C6E948D20CC2582FA081EC.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:3648
-
-
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"2⤵
- Creates scheduled task(s)
PID:2512
-