Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
02/11/2022, 11:27
General
- Target Sample order confirmation-pdf-.exe
- Size 631KB
- Sample221102-nkeveabdh5
- SHA256 c5d35a6e446100b36d3421ece29d936dc013fe088f05bcf86e947d1845403485
Malware Config
Extracted
-
formbook
-
4.1
-
a20e
-
pushkarinidigital.com
-
e-shiryoku.com
-
sendmeblog.website
-
arniepalmer.com
-
tinnnitin.click
-
serummoctoc.online
-
chmoptk.xyz
-
kidskarpentry.com
-
wanglin123.com
-
onlinecannabis24dispensary.com
-
hkwx8.com
-
marcrosenkrans.com
-
bridginglegal.com
-
a2r2.cyou
-
app365e.com
-
semesta.xyz
-
encuentratucasacr.com
-
huiyusc58.com
-
carnivalofmiami.com
-
functionalbreeze.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 4 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 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Sample order confirmation-pdf-.exe"C:\Users\Admin\AppData\Local\Temp\Sample order confirmation-pdf-.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KYflGrpRvem.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYflGrpRvem" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60EC.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Sample order confirmation-pdf-.exe"C:\Users\Admin\AppData\Local\Temp\Sample order confirmation-pdf-.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.exe"2⤵
- 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\Sample order confirmation-pdf-.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp60EC.tmp
memory/2248-174-0x0000000007FF0000-0x000000000812A000-memory.dmp
memory/2248-151-0x0000000002EF0000-0x0000000003048000-memory.dmp
memory/2248-172-0x0000000007FF0000-0x000000000812A000-memory.dmp
memory/2248-164-0x0000000007E40000-0x0000000007FEA000-memory.dmp
memory/2744-165-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2744-149-0x0000000001760000-0x0000000001AAA000-memory.dmp
memory/2744-150-0x00000000016B0000-0x00000000016C5000-memory.dmp
memory/2744-163-0x0000000001710000-0x0000000001725000-memory.dmp
memory/2744-143-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2744-162-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2944-171-0x0000000002BB0000-0x0000000002C44000-memory.dmp
memory/2944-169-0x0000000000D00000-0x0000000000D2F000-memory.dmp
memory/2944-168-0x00000000005D0000-0x0000000000627000-memory.dmp
memory/2944-170-0x0000000002D60000-0x00000000030AA000-memory.dmp
memory/2944-173-0x0000000000D00000-0x0000000000D2F000-memory.dmp
memory/4376-142-0x0000000005350000-0x0000000005978000-memory.dmp
memory/4376-147-0x00000000060F0000-0x000000000610E000-memory.dmp
memory/4376-154-0x00000000066C0000-0x00000000066DE000-memory.dmp
memory/4376-155-0x0000000007A50000-0x00000000080CA000-memory.dmp
memory/4376-156-0x0000000007410000-0x000000000742A000-memory.dmp
memory/4376-157-0x0000000007480000-0x000000000748A000-memory.dmp
memory/4376-158-0x0000000007690000-0x0000000007726000-memory.dmp
memory/4376-159-0x0000000007640000-0x000000000764E000-memory.dmp
memory/4376-160-0x0000000007750000-0x000000000776A000-memory.dmp
memory/4376-161-0x0000000007730000-0x0000000007738000-memory.dmp
memory/4376-152-0x00000000070C0000-0x00000000070F2000-memory.dmp
memory/4376-153-0x0000000071220000-0x000000007126C000-memory.dmp
memory/4376-146-0x0000000005A80000-0x0000000005AE6000-memory.dmp
memory/4376-145-0x00000000052D0000-0x0000000005336000-memory.dmp
memory/4376-144-0x0000000005170000-0x0000000005192000-memory.dmp
memory/4376-139-0x0000000002850000-0x0000000002886000-memory.dmp
memory/4864-132-0x00000000005F0000-0x0000000000694000-memory.dmp
memory/4864-136-0x00000000079F0000-0x0000000007A8C000-memory.dmp
memory/4864-135-0x0000000004EE0000-0x0000000004EEA000-memory.dmp
memory/4864-134-0x0000000004F20000-0x0000000004FB2000-memory.dmp
memory/4864-133-0x00000000055C0000-0x0000000005B64000-memory.dmp