31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
299s
max time network
31s
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

tools/zipdump.py
Size

148KB
MD5

28461ac0e66c71823e5881994c24680b
SHA1

58763ec56cc666e99f422a7ef93f25a4a95cc24d
SHA256

f05726b382054380b0559fa9f44017b505fab9ab6272f894973a31addefa695c
SHA512

9af0817d4a3ccd6f46e00db97c8c27242c26a06533dc535447028821139629d82a53354bfd3435ea3d492d034d957bb19d30cb4fd6374b0735223aef78d2867e
SSDEEP

3072:bzogKBH5YS2dbcWHXyw8HozdJEAoekieCFg:vogKwx8Ha0ekieCFg

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
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
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
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

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

556 AcroRd32.exe
556 AcroRd32.exe
556 AcroRd32.exe

pid	process
556	AcroRd32.exe
556	AcroRd32.exe
556	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1396 wrote to memory of 320	1396	cmd.exe	rundll32.exe
PID 1396 wrote to memory of 320	1396	cmd.exe	rundll32.exe
PID 1396 wrote to memory of 320	1396	cmd.exe	rundll32.exe
PID 320 wrote to memory of 556	320	rundll32.exe	AcroRd32.exe
PID 320 wrote to memory of 556	320	rundll32.exe	AcroRd32.exe
PID 320 wrote to memory of 556	320	rundll32.exe	AcroRd32.exe
PID 320 wrote to memory of 556	320	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tools\zipdump.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tools\zipdump.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:320

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\tools\zipdump.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:556

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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