Analysis
- max time kernel
154s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
09/11/2022, 16:24
General
- Target ACH PAYMENT 1192022pdf.exe
- Size 787KB
- Sample221109-twddlsbhap
- SHA256 2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Malware Config
Extracted
-
formbook
-
4.1
-
ma27
-
whitechimneyscoffee.com
-
ymvip236.com
-
awesomef.com
-
jokerenergydrink.com
-
skype-zh-hans.com
-
uepmh.com
-
black-owned.world
-
chinasoapberry.com
-
pptex.net
-
poocotm.com
-
cysun.net
-
au4088.com
-
ynzckjsoft.com
-
shark-tank-gummies.com
-
makeamericansmartagain.com
-
myhapticbeauty.shop
-
pecaropets.com
-
tech-supportcallq.monster
-
villagenerds.com
-
visitmukteshwar.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 IoCs
- Blocklisted process makes network request 1 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
-
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
-
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
-
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
-
-
-
-
C:\Windows\SysWOW64\wscript.exe"C:\Windows\SysWOW64\wscript.exe"2⤵
-
-
C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.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
-
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\zgtspmlzyc.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
gbzirgrikw.sr
phybypzup.au3
rpohzycut.vu
zgtspmlzyc.exe
zgtspmlzyc.exe
zgtspmlzyc.exe
memory/1696-140-0x0000000000B80000-0x0000000000B94000-memory.dmp
memory/1696-142-0x0000000000E00000-0x0000000000E14000-memory.dmp
memory/1696-139-0x0000000000FA0000-0x00000000012EA000-memory.dmp
memory/2824-149-0x000000000B020000-0x000000000B1B1000-memory.dmp
memory/2824-141-0x0000000006DD0000-0x0000000006F49000-memory.dmp
memory/2824-143-0x000000000B020000-0x000000000B1B1000-memory.dmp
memory/2824-154-0x0000000007F80000-0x00000000080E6000-memory.dmp
memory/2824-153-0x0000000007F80000-0x00000000080E6000-memory.dmp
memory/3500-151-0x00000000010D0000-0x00000000010FF000-memory.dmp
memory/3500-147-0x0000000003020000-0x000000000336A000-memory.dmp
memory/3500-146-0x00000000010D0000-0x00000000010FF000-memory.dmp
memory/3500-152-0x0000000002EC0000-0x0000000002F53000-memory.dmp
memory/3500-145-0x0000000000140000-0x0000000000156000-memory.dmp