Analysis
- max time kernel
567s - max time network
444s - platform
windows10-1703_x64 - resource
win10-20220812-de - resource tags
- submitted
15/10/2022, 22:26
General
- Target 9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe
- Size 162KB
- Sample221015-2ckbtagec3
- SHA256 9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7
Malware Config
Signatures
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 2 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe"C:\Users\Admin\AppData\Local\Temp\9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe"1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\loader.exe"C:\Users\Admin\AppData\Roaming\loader.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 5 /tn "Event Viewer Snap-in Launcher (29762912)" /tr "C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe/C /Query /XML /TN "Event Viewer Snap-in Launcher (29762912)"3⤵
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /tn "Event Viewer Snap-in Launcher (29762912)" /XML "C:\Users\Admin\AppData\Roaming\EventViewer\tfnme73946158264.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 5843⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 5403⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C timeout 5 & del "C:\Users\Admin\AppData\Local\Temp\9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 53⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exeC:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 5 /tn "Event Viewer Snap-in Launcher (29762912)" /tr "C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe"2⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
eventvwr.exe
eventvwr.exe
loader.exe
loader.exe
memory/1056-372-0x0000000000070000-0x00000000009F0000-memory.dmp
memory/4064-151-0x0000000073B10000-0x00000000740C0000-memory.dmp
memory/4064-160-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-122-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-123-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-126-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-125-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-154-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-128-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-127-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-156-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-130-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-131-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-132-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-133-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-134-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-135-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-136-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-137-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-138-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-139-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-140-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-141-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-142-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-143-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-144-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-145-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-146-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-147-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-148-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-149-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-120-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-150-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-152-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-153-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-124-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-121-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-129-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-157-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-158-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-159-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-155-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-161-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-162-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-163-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-164-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-165-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-166-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-167-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-168-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-169-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-170-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-171-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-172-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-173-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-174-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-175-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-176-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-177-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-178-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-179-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-180-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-230-0x0000000073B10000-0x00000000740C0000-memory.dmp
memory/4064-116-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-117-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-118-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4064-119-0x0000000077790000-0x000000007791E000-memory.dmp
memory/4216-299-0x0000000000B60000-0x00000000014E0000-memory.dmp