Analysis
- max time kernel
147s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
12/11/2022, 10:35
General
- Target ACH PAYMENT 1192022pdf.exe
- Size 787KB
- Sample221112-mm661aaa7w
- SHA256 2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Malware Config
Extracted
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formbook
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4.1
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ma27
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whitechimneyscoffee.com
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ymvip236.com
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awesomef.com
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jokerenergydrink.com
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skype-zh-hans.com
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uepmh.com
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black-owned.world
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chinasoapberry.com
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pptex.net
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poocotm.com
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cysun.net
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au4088.com
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ynzckjsoft.com
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shark-tank-gummies.com
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makeamericansmartagain.com
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myhapticbeauty.shop
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pecaropets.com
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tech-supportcallq.monster
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villagenerds.com
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visitmukteshwar.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 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 FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 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\ACH PAYMENT 1192022pdf.exe"C:\Users\Admin\AppData\Local\Temp\ACH PAYMENT 1192022pdf.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zgtspmlzyc.exe"C:\Users\Admin\AppData\Local\Temp\zgtspmlzyc.exe" "C:\Users\Admin\AppData\Local\Temp\phybypzup.au3"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zgtspmlzyc.exe"C:\Users\Admin\AppData\Local\Temp\zgtspmlzyc.exe" "C:\Users\Admin\AppData\Local\Temp\phybypzup.au3"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\netsh.exe"C:\Windows\SysWOW64\netsh.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:\Users\Admin\AppData\Local\Temp\zgtspmlzyc.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gbzirgrikw.sr
phybypzup.au3
rpohzycut.vu
zgtspmlzyc.exe
zgtspmlzyc.exe
zgtspmlzyc.exe
memory/2052-151-0x0000000000920000-0x000000000094F000-memory.dmp
memory/2052-144-0x0000000001730000-0x000000000174E000-memory.dmp
memory/2052-149-0x0000000001160000-0x00000000011F3000-memory.dmp
memory/2052-148-0x0000000001220000-0x000000000156A000-memory.dmp
memory/2052-145-0x0000000000920000-0x000000000094F000-memory.dmp
memory/3036-142-0x0000000008730000-0x0000000008834000-memory.dmp
memory/3036-150-0x0000000008840000-0x000000000894D000-memory.dmp
memory/3036-152-0x0000000008840000-0x000000000894D000-memory.dmp
memory/3604-141-0x0000000001480000-0x0000000001494000-memory.dmp
memory/3604-140-0x00000000019E0000-0x0000000001D2A000-memory.dmp
memory/3604-139-0x0000000000400000-0x000000000042F000-memory.dmp