Analysis
- max time kernel
158s - max time network
171s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
10/12/2022, 08:53
General
- Target PI_4_5767189090436911808.js Pdf.exe
- Size 1.0MB
- Sample221210-ktbbssfc35
- SHA256 9bdc185c4c52ab97921a7d99b7bfe6e22ac5be828d999b19e41983b3c79af0c9
Malware Config
Extracted
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formbook
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4.1
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a19i
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onelovefungi.com
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paperlesspoop.com
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perfectsalaries.com
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tutor-dashboard.com
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canucksshine.com
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brl-mo6.online
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fathistudio.com
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iptv-3.com
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hbombmedia.com
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ifizidi.com
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dahuaguinee.com
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jyrbz.com
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aawwuk.com
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aina.health
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socialbod.com
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27mk.top
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gnomeswhognow.net
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unrivaledpurpose.com
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randy.cloud
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referralcodesmarket.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 34 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PI_4_5767189090436911808.js Pdf.exe"C:\Users\Admin\AppData\Local\Temp\PI_4_5767189090436911808.js Pdf.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qcRrBQocv.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qcRrBQocv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFDC.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpFFDC.tmp
memory/532-150-0x0000000008610000-0x00000000086E8000-memory.dmp
memory/532-169-0x0000000008BC0000-0x0000000008C5D000-memory.dmp
memory/532-171-0x0000000008BC0000-0x0000000008C5D000-memory.dmp
memory/1004-136-0x000000000B1B0000-0x000000000B24C000-memory.dmp
memory/1004-135-0x0000000005510000-0x000000000551A000-memory.dmp
memory/1004-134-0x0000000005370000-0x0000000005402000-memory.dmp
memory/1004-133-0x0000000005830000-0x0000000005DD4000-memory.dmp
memory/1004-132-0x00000000008D0000-0x00000000009DA000-memory.dmp
memory/2120-170-0x00000000005D0000-0x00000000005FF000-memory.dmp
memory/2120-168-0x0000000002510000-0x00000000025A4000-memory.dmp
memory/2120-164-0x0000000002670000-0x00000000029BA000-memory.dmp
memory/2120-163-0x00000000005D0000-0x00000000005FF000-memory.dmp
memory/2120-162-0x0000000000250000-0x0000000000262000-memory.dmp
memory/3412-142-0x0000000004ED0000-0x00000000054F8000-memory.dmp
memory/3412-160-0x0000000007240000-0x00000000072D6000-memory.dmp
memory/3412-152-0x0000000006270000-0x00000000062A2000-memory.dmp
memory/3412-153-0x0000000071B10000-0x0000000071B5C000-memory.dmp
memory/3412-154-0x0000000006250000-0x000000000626E000-memory.dmp
memory/3412-155-0x0000000007600000-0x0000000007C7A000-memory.dmp
memory/3412-156-0x0000000006FC0000-0x0000000006FDA000-memory.dmp
memory/3412-139-0x00000000023A0000-0x00000000023D6000-memory.dmp
memory/3412-167-0x00000000072E0000-0x00000000072E8000-memory.dmp
memory/3412-159-0x0000000007030000-0x000000000703A000-memory.dmp
memory/3412-151-0x0000000004A40000-0x0000000004A5E000-memory.dmp
memory/3412-146-0x00000000056E0000-0x0000000005746000-memory.dmp
memory/3412-145-0x0000000005600000-0x0000000005666000-memory.dmp
memory/3412-144-0x0000000004BF0000-0x0000000004C12000-memory.dmp
memory/3412-166-0x0000000007300000-0x000000000731A000-memory.dmp
memory/3412-165-0x00000000071F0000-0x00000000071FE000-memory.dmp
memory/4616-143-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4616-158-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4616-147-0x0000000000FB0000-0x00000000012FA000-memory.dmp
memory/4616-149-0x0000000000E50000-0x0000000000E65000-memory.dmp