Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
23/02/2022, 12:31
General
- Target e0149b299e7295b128b1718310805095.exe
- Size 662KB
- Sample220223-pp2emsbddm
- SHA256 79fa3363eeb543f7b97729d016d926820156b2a549a78000899a2a3b44721c8e
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 3 IoCs
- suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Program crash 3 IoCs
- Checks processor information in registry 2 TTPs 11 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 6 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e0149b299e7295b128b1718310805095.exe"C:\Users\Admin\AppData\Local\Temp\e0149b299e7295b128b1718310805095.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Green\neofim.exeneofim.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 14403⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 5962⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 16962⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3812 -ip 38121⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3812 -ip 38121⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1892 -ip 18921⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1892-142-0x0000000002832000-0x0000000002833000-memory.dmp
memory/1892-140-0x000000007300E000-0x000000007300F000-memory.dmp
memory/1892-154-0x0000000006D20000-0x000000000724C000-memory.dmp
memory/1892-153-0x0000000006B50000-0x0000000006D12000-memory.dmp
memory/1892-136-0x0000000004D30000-0x00000000052D4000-memory.dmp
memory/1892-137-0x0000000002190000-0x00000000021BB000-memory.dmp
memory/1892-138-0x00000000021C0000-0x00000000021F9000-memory.dmp
memory/1892-144-0x00000000053E0000-0x00000000059F8000-memory.dmp
memory/1892-143-0x0000000002833000-0x0000000002834000-memory.dmp
memory/1892-141-0x0000000002830000-0x0000000002831000-memory.dmp
memory/1892-152-0x0000000006960000-0x000000000697E000-memory.dmp
memory/1892-151-0x0000000006840000-0x00000000068B6000-memory.dmp
memory/1892-139-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1892-145-0x0000000005A50000-0x0000000005A62000-memory.dmp
memory/1892-146-0x0000000005A70000-0x0000000005B7A000-memory.dmp
memory/1892-147-0x0000000002834000-0x0000000002836000-memory.dmp
memory/1892-148-0x0000000005CB0000-0x0000000005CEC000-memory.dmp
memory/1892-149-0x0000000005EB0000-0x0000000005F16000-memory.dmp
memory/1892-150-0x0000000006790000-0x0000000006822000-memory.dmp
memory/3812-130-0x00000000006DC000-0x0000000000748000-memory.dmp
memory/3812-133-0x0000000000400000-0x00000000004D4000-memory.dmp
memory/3812-131-0x00000000006DC000-0x0000000000748000-memory.dmp
memory/3812-132-0x0000000002270000-0x000000000233E000-memory.dmp