38facb965b81f50688bc6ae1ae6132e2cf87679b3e60fdd96772c2c5a81411b1

Analysis

max time kernel
188s
max time network
70s
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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Report Analysis Logs

General

Target

InstaReport-main/about.py
Size

1KB
MD5

4c3bf3d42ba8c438c41c9af3e8639e10
SHA1

c9ef6612a260c2138043977f131239a1044e8c70
SHA256

be8350739e563914b0ea6c370a36754ca93ef0fdc703cec7731dfb826f603a72
SHA512

72aabf8def0e95dbfaf610672e646cd8c8fa4519b398b33f306936fbd100075f7770ff61dc16c23ecb1a1d13a996841f14af931f0ce4973adaa34d9e3c286810

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\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	rundll32.exe
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	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 use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

112 AcroRd32.exe
112 AcroRd32.exe
112 AcroRd32.exe

pid	process
112	AcroRd32.exe
112	AcroRd32.exe
112	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 956 wrote to memory of 1248	956	cmd.exe	rundll32.exe
PID 956 wrote to memory of 1248	956	cmd.exe	rundll32.exe
PID 956 wrote to memory of 1248	956	cmd.exe	rundll32.exe
PID 1248 wrote to memory of 112	1248	rundll32.exe	AcroRd32.exe
PID 1248 wrote to memory of 112	1248	rundll32.exe	AcroRd32.exe
PID 1248 wrote to memory of 112	1248	rundll32.exe	AcroRd32.exe
PID 1248 wrote to memory of 112	1248	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\InstaReport-main\about.py
1⤵
- Suspicious use of WriteProcessMemory
PID:956

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\about.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1248

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\about.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:112

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/112-81-0x0000000000000000-mapping.dmp

Download
memory/112-82-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/956-54-0x000007FEFC091000-0x000007FEFC093000-memory.dmp

Filesize
8KB

Download
memory/1248-76-0x0000000000000000-mapping.dmp

Download