2f0b8c5ea4e7923690e4c4424621c2f00cc40d3c62790a2389addc5ea8ba14a8

Analysis

max time kernel
1796s
max time network
1597s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
01-04-2023 15:49

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General

Target

gm9/scripts/NANDManager.gm9
Size

6KB
MD5

b6479f2cd61e2adae8816a5048e6c521
SHA1

a6f2989d765887f546a7880feaee7c1a6a9d1f63
SHA256

3000e146241e477588ee0566e40e987aa6f1f5e0d19e1bd152eb63d62dfb8c1e
SHA512

1a33eb5acc926a0da9c54ba2470b61154bba1b23f5aca247bfcd93160dbd2306eaeeec3be0a14d83ac024d665943821c68fdb8e26c35e1dedaae5b10c447ca11
SSDEEP

96:z5LUmITU2iXAwpaPa7606OfAl9JrZJhb4LK7IS2xaqwF:ztUm2U2iXhvSwA97nbG8t2V8

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.gm9\ = "gm9_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\gm9_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\gm9_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\gm9_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\gm9_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\gm9_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\gm9_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.gm9	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

924 AcroRd32.exe
924 AcroRd32.exe
924 AcroRd32.exe

pid	process
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1704 wrote to memory of 952	1704	cmd.exe	rundll32.exe
PID 1704 wrote to memory of 952	1704	cmd.exe	rundll32.exe
PID 1704 wrote to memory of 952	1704	cmd.exe	rundll32.exe
PID 952 wrote to memory of 924	952	rundll32.exe	AcroRd32.exe
PID 952 wrote to memory of 924	952	rundll32.exe	AcroRd32.exe
PID 952 wrote to memory of 924	952	rundll32.exe	AcroRd32.exe
PID 952 wrote to memory of 924	952	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\gm9\scripts\NANDManager.gm9
1⤵
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\gm9\scripts\NANDManager.gm9
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:952

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\gm9\scripts\NANDManager.gm9"
3⤵
- Suspicious use of SetWindowsHookEx
PID:924

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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