Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
15/11/2022, 16:51
General
- Target issu2022151100031pdf.exe
- Size 303KB
- Sample221115-vcs6dsag21
- SHA256 5f12d75282af46d76785401c4e69c2f2cf3bc35281d337ce541ddc0e0f6f1725
Malware Config
Extracted
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formbook
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4.1
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mi08
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mytimebabes.com
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ycpxb.com
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abdkaplani.com
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cloudingersoftech.com
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fthfire.xyz
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christyna.work
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3d-add-on.com
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knowyourtechdeals.com
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kcl24.com
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sepatubiker.com
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sunnyboy.live
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zrbsq.com
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rinpari.com
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lesac-berra.com
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yes820.com
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cnnorman.com
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mystichousedv.com
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sbobet888auto.com
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gawiul.xyz
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luispenas.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 IoCs
- Blocklisted process makes network request 1 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\issu2022151100031pdf.exe"C:\Users\Admin\AppData\Local\Temp\issu2022151100031pdf.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zdmmctz.exe"C:\Users\Admin\AppData\Local\Temp\zdmmctz.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zdmmctz.exe"C:\Users\Admin\AppData\Local\Temp\zdmmctz.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Blocklisted process makes network request
- 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:\Users\Admin\AppData\Local\Temp\zdmmctz.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
ezcfrnf.op
yuusz.z
zdmmctz.exe
zdmmctz.exe
zdmmctz.exe
memory/328-141-0x0000000001480000-0x0000000001495000-memory.dmp
memory/328-139-0x0000000000400000-0x000000000042F000-memory.dmp
memory/328-140-0x0000000001A30000-0x0000000001D7A000-memory.dmp
memory/792-142-0x0000000002C40000-0x0000000002DCE000-memory.dmp
memory/792-150-0x0000000008E00000-0x0000000008F8A000-memory.dmp
memory/792-151-0x0000000008E00000-0x0000000008F8A000-memory.dmp
memory/4756-144-0x0000000000A30000-0x0000000000A44000-memory.dmp
memory/4756-145-0x0000000000610000-0x000000000063F000-memory.dmp
memory/4756-147-0x0000000002550000-0x000000000289A000-memory.dmp
memory/4756-148-0x0000000000610000-0x000000000063F000-memory.dmp
memory/4756-149-0x00000000022F0000-0x0000000002384000-memory.dmp