50b89649d35cb949c1a9dfc83bcf8a86dd907f46c8ee4d025dfed26bd18d8408

Analysis

max time kernel
191s
max time network
208s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 13:39

Target

My.Stepsis.is.a.Futanari/My Stepsis is a Futanari/lib/linux-x86_64/lib/python2.7/os.pyo
Size

26KB
MD5

0193035b3bbba4194db6d0bdaf508a65
SHA1

4359a2b34d3fd9b9d45a67e73804e56406663a0c
SHA256

dd1d9ebb3151ec6b031f518231f1a145338760280b54136cd20b622f2f2d335d
SHA512

fb4d948968b26b92031ace496216745cdd4abe737a5de12f42df216e8a3e7e8a5f9b3b80d8632b82c58790964796fe754d3ea87bd85b0d1962cf9e2f27b09c8f
SSDEEP

768:bLMa1uN4alFPN8ys0lG5O8v5pksYfyWPg4ij+v2EynIIUj86N2BldvkGgq6ccAL1:/Maw3lFPN8ysG8v5pksiyWPg4ij+v2EW

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\pyo_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

1516 AcroRd32.exe
1516 AcroRd32.exe

pid	process
1516	AcroRd32.exe
1516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1724 wrote to memory of 1884	1724	cmd.exe	rundll32.exe
PID 1724 wrote to memory of 1884	1724	cmd.exe	rundll32.exe
PID 1724 wrote to memory of 1884	1724	cmd.exe	rundll32.exe
PID 1884 wrote to memory of 1516	1884	rundll32.exe	AcroRd32.exe
PID 1884 wrote to memory of 1516	1884	rundll32.exe	AcroRd32.exe
PID 1884 wrote to memory of 1516	1884	rundll32.exe	AcroRd32.exe
PID 1884 wrote to memory of 1516	1884	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\My.Stepsis.is.a.Futanari\My Stepsis is a Futanari\lib\linux-x86_64\lib\python2.7\os.pyo"
1⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\My.Stepsis.is.a.Futanari\My Stepsis is a Futanari\lib\linux-x86_64\lib\python2.7\os.pyo"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1516

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1516-81-0x0000000000000000-mapping.dmp

Download
memory/1516-82-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1724-54-0x000007FEFC291000-0x000007FEFC293000-memory.dmp

Filesize
8KB

Download
memory/1884-76-0x0000000000000000-mapping.dmp

Download