Analysis
- max time kernel
137s - max time network
146s - platform
windows7_x64 - resource
win7 - submitted
24/07/2020, 08:35
Static task
static1
Behavioral task
behavioral1
Sample
d01b417a7922cda8a3211c9dd8309306.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
d01b417a7922cda8a3211c9dd8309306.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
General
- Target d01b417a7922cda8a3211c9dd8309306.exe
- Size 1.2MB
- Sample200724-jmsjpmvcw2
- SHA256 b50aded18e8af98761a91109a3027283dcd58cea80b152cdc5ce94470973473d
- MD5 d01b417a7922cda8a3211c9dd8309306
- SHA1 dbd071e86aa466fb1e70667163044bdbf14751cc
- SHA512 8814948088331cf96c962e1ba88d84312b6215bb0744b6b6f81a55653e37662ce9bf41c81b67460a27d0b54de0b11232934a4a0940665182cd7c5bff3ccc7860
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1728 rundll32.exe 1728 rundll32.exe - Blacklisted process makes network request 2 IoCs
flow pid Process 6 1728 rundll32.exe 10 1888 rundll32.exe - NTFS ADS 1 IoCs
description ioc Process File created \??\c:\programdata\1321ba6d1f\bdif.exe:Zone.Identifier d01b417a7922cda8a3211c9dd8309306.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\scr = "rundll32 C:\\Users\\Admin\\AppData\\Local\\Temp\\scr.dll, Main" REG.exe Key created \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run REG.exe Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\cred = "rundll32 C:\\Users\\Admin\\AppData\\Local\\Temp\\cred.dll, Main" REG.exe Key created \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run REG.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1936 schtasks.exe - Loads dropped DLL 10 IoCs
pid Process 316 d01b417a7922cda8a3211c9dd8309306.exe 316 d01b417a7922cda8a3211c9dd8309306.exe 1728 rundll32.exe 1728 rundll32.exe 1728 rundll32.exe 1728 rundll32.exe 1888 rundll32.exe 1888 rundll32.exe 1888 rundll32.exe 1888 rundll32.exe - Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 316 wrote to memory of 1420 316 d01b417a7922cda8a3211c9dd8309306.exe 24 PID 316 wrote to memory of 1420 316 d01b417a7922cda8a3211c9dd8309306.exe 24 PID 316 wrote to memory of 1420 316 d01b417a7922cda8a3211c9dd8309306.exe 24 PID 316 wrote to memory of 1420 316 d01b417a7922cda8a3211c9dd8309306.exe 24 PID 1420 wrote to memory of 1516 1420 bdif.exe 27 PID 1420 wrote to memory of 1516 1420 bdif.exe 27 PID 1420 wrote to memory of 1516 1420 bdif.exe 27 PID 1420 wrote to memory of 1516 1420 bdif.exe 27 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1728 1420 bdif.exe 28 PID 1420 wrote to memory of 1872 1420 bdif.exe 30 PID 1420 wrote to memory of 1872 1420 bdif.exe 30 PID 1420 wrote to memory of 1872 1420 bdif.exe 30 PID 1420 wrote to memory of 1872 1420 bdif.exe 30 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1888 1420 bdif.exe 31 PID 1420 wrote to memory of 1704 1420 bdif.exe 33 PID 1420 wrote to memory of 1704 1420 bdif.exe 33 PID 1420 wrote to memory of 1704 1420 bdif.exe 33 PID 1420 wrote to memory of 1704 1420 bdif.exe 33 PID 1420 wrote to memory of 1548 1420 bdif.exe 34 PID 1420 wrote to memory of 1548 1420 bdif.exe 34 PID 1420 wrote to memory of 1548 1420 bdif.exe 34 PID 1420 wrote to memory of 1548 1420 bdif.exe 34 PID 1704 wrote to memory of 1936 1704 cmd.exe 37 PID 1704 wrote to memory of 1936 1704 cmd.exe 37 PID 1704 wrote to memory of 1936 1704 cmd.exe 37 PID 1704 wrote to memory of 1936 1704 cmd.exe 37 - Executes dropped EXE 1 IoCs
pid Process 1420 bdif.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d01b417a7922cda8a3211c9dd8309306.exe"C:\Users\Admin\AppData\Local\Temp\d01b417a7922cda8a3211c9dd8309306.exe"1⤵
- NTFS ADS
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:316 -
\??\c:\programdata\1321ba6d1f\bdif.exec:\programdata\1321ba6d1f\bdif.exe2⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
PID:1420 -
C:\Windows\SysWOW64\REG.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v cred /t REG_SZ /d "rundll32 C:\Users\Admin\AppData\Local\Temp\cred.dll, Main"3⤵
- Adds Run key to start application
PID:1516
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cred.dll, Main3⤵
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Loads dropped DLL
PID:1728
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C:\Windows\SysWOW64\REG.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v scr /t REG_SZ /d "rundll32 C:\Users\Admin\AppData\Local\Temp\scr.dll, Main"3⤵
- Adds Run key to start application
PID:1872
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\scr.dll, Main3⤵
- Blacklisted process makes network request
- Loads dropped DLL
PID:1888
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C:\Windows\SysWOW64\cmd.execmd.exe /C SCHTASKS /Create /SC HOURLY /MO 1 /TN a174c1ef10e2077451f5b6dda83242a1 /TR c:\programdata\1321ba6d1f\bdif.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /Create /SC HOURLY /MO 1 /TN a174c1ef10e2077451f5b6dda83242a1 /TR c:\programdata\1321ba6d1f\bdif.exe4⤵
- Creates scheduled task(s)
PID:1936
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C:\Windows\SysWOW64\REG.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d c:\programdata\1321ba6d1f3⤵PID:1548
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