38facb965b81f50688bc6ae1ae6132e2cf87679b3e60fdd96772c2c5a81411b1

Analysis

max time kernel
207s
max time network
83s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 12:31

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General

Target

InstaReport-main/libs/utils.py
Size

1KB
MD5

4e8efd84bd5191b73e8ff875a25d5024
SHA1

f8c7d50ca00f069d8599ab237022e244eab043b6
SHA256

4150f896791853de4ce479d43e211e8c8ff6f2f3b7e4b9b129d5c9ffe3cb0667
SHA512

58d61606e66f1f9159b699be15e78ee0f3d0ddc137ecf42dc05324799c70283799abd231e904c7c98032d0b441700e9e55c88fbd9cb7d4ae99ae44859e6543ed

Score

3^/10

Malware Config

Signatures

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
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1552 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1552 AcroRd32.exe
1552 AcroRd32.exe
1552 AcroRd32.exe

pid	process
1552	AcroRd32.exe

pid	process
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1736 wrote to memory of 1392	1736	cmd.exe	rundll32.exe
PID 1736 wrote to memory of 1392	1736	cmd.exe	rundll32.exe
PID 1736 wrote to memory of 1392	1736	cmd.exe	rundll32.exe
PID 1392 wrote to memory of 1552	1392	rundll32.exe	AcroRd32.exe
PID 1392 wrote to memory of 1552	1392	rundll32.exe	AcroRd32.exe
PID 1392 wrote to memory of 1552	1392	rundll32.exe	AcroRd32.exe
PID 1392 wrote to memory of 1552	1392	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\InstaReport-main\libs\utils.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\InstaReport-main\libs\utils.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1392

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\InstaReport-main\libs\utils.py"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1552

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1392-76-0x0000000000000000-mapping.dmp

Download
memory/1552-81-0x0000000000000000-mapping.dmp

Download
memory/1552-82-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1736-54-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

Filesize
8KB

Download