31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
300s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26-03-2023 04:40

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General

Target

oledump.py
Size

100KB
MD5

73216e54933df59ebcb3c121dc2bb2b3
SHA1

2baa74630f14ce5837383c99c43d55728027d650
SHA256

8902aaf410e4400728817162ce08106048ecb6a4a66a14ed7712426f9400b3d0
SHA512

3ea24d5f3486411ac7ef7c3f443f667dd2c426bc4f42d001df19fef504246ea96ccd4756b7d87ebda6e051dee7def1ebb0a98ddc75ce2aa3d07755943cca6a61
SSDEEP

768:YqGPmgclfTo/c/9FB9RtSUVt9NB9RtSPe1Du3wKHMVmA/CGm4qb+c5tQCOCgjD1Y:E7cJHVhjnQAdtdJ0bC/ZsR4HejU5qKkt

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-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

452 AcroRd32.exe
452 AcroRd32.exe
452 AcroRd32.exe

pid	process
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1692 wrote to memory of 268	1692	cmd.exe	rundll32.exe
PID 1692 wrote to memory of 268	1692	cmd.exe	rundll32.exe
PID 1692 wrote to memory of 268	1692	cmd.exe	rundll32.exe
PID 268 wrote to memory of 452	268	rundll32.exe	AcroRd32.exe
PID 268 wrote to memory of 452	268	rundll32.exe	AcroRd32.exe
PID 268 wrote to memory of 452	268	rundll32.exe	AcroRd32.exe
PID 268 wrote to memory of 452	268	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\oledump.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\oledump.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:268

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\oledump.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:452

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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