37670f71a35213217cab145aa7e262e0e46e411007b2d68f26e74c3d44693e95

Analysis

max time kernel
42s
max time network
43s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
11-08-2022 02:05

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General

Target

Opensea Mint.7z
Size

2.4MB
MD5

a86e881dc52bff3f3595aa1b570ce387
SHA1

a7225b9ae963296097b24920a364526f78c5b9b0
SHA256

37670f71a35213217cab145aa7e262e0e46e411007b2d68f26e74c3d44693e95
SHA512

58261edf2108caa356eea20d2b82aad4fab432dfb4e7c62ec632a92979de8a197399ebc007409decc6b45969077a2fac3cfaf3c556b8685778a3f5ab8f04f6f3

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-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\.7z	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

1012 AcroRd32.exe
1012 AcroRd32.exe

pid	process
1012	AcroRd32.exe
1012	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1676 wrote to memory of 980	1676	cmd.exe	rundll32.exe
PID 1676 wrote to memory of 980	1676	cmd.exe	rundll32.exe
PID 1676 wrote to memory of 980	1676	cmd.exe	rundll32.exe
PID 980 wrote to memory of 1012	980	rundll32.exe	AcroRd32.exe
PID 980 wrote to memory of 1012	980	rundll32.exe	AcroRd32.exe
PID 980 wrote to memory of 1012	980	rundll32.exe	AcroRd32.exe
PID 980 wrote to memory of 1012	980	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Opensea Mint.7z"
1⤵
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Opensea Mint.7z
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:980

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\Opensea Mint.7z"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1012

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/980-76-0x0000000000000000-mapping.dmp

Download
memory/1012-81-0x0000000000000000-mapping.dmp

Download
memory/1012-82-0x0000000076771000-0x0000000076773000-memory.dmp

Filesize
8KB

Download
memory/1676-54-0x000007FEFC171000-0x000007FEFC173000-memory.dmp

Filesize
8KB

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