2cf96acaf71dfc56df74287d20714e4ff899eef7bf1caffd42180e8cc733ab98

General

Target

2cf96acaf71dfc56df74287d20714e4ff899eef7bf1caffd42180e8cc733ab98.bin
Size

206KB
MD5

d9878ceba3d6734cbb5143a3393a9a07
SHA1

4c380b7eecfe5c24671229f15d7cc98e656792b4
SHA256

2cf96acaf71dfc56df74287d20714e4ff899eef7bf1caffd42180e8cc733ab98
SHA512

f8268ca82f84a9e45a7983ff942e4d8dec84d2853ae2337f1bb787fe15d4864f05843d0223fb41470fe41e2fc75c95691d21d37dcde2043df5961c3df1970f79

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

588 AcroRd32.exe
588 AcroRd32.exe
588 AcroRd32.exe

pid	process
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1964 wrote to memory of 960	1964	cmd.exe	rundll32.exe
PID 1964 wrote to memory of 960	1964	cmd.exe	rundll32.exe
PID 1964 wrote to memory of 960	1964	cmd.exe	rundll32.exe
PID 960 wrote to memory of 588	960	rundll32.exe	AcroRd32.exe
PID 960 wrote to memory of 588	960	rundll32.exe	AcroRd32.exe
PID 960 wrote to memory of 588	960	rundll32.exe	AcroRd32.exe
PID 960 wrote to memory of 588	960	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\2cf96acaf71dfc56df74287d20714e4ff899eef7bf1caffd42180e8cc733ab98.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\2cf96acaf71dfc56df74287d20714e4ff899eef7bf1caffd42180e8cc733ab98.bin
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:960

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\2cf96acaf71dfc56df74287d20714e4ff899eef7bf1caffd42180e8cc733ab98.bin"
3⤵
- Suspicious use of SetWindowsHookEx
PID:588

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/588-81-0x0000000000000000-mapping.dmp

Download
memory/588-82-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/960-76-0x0000000000000000-mapping.dmp

Download
memory/1964-54-0x000007FEFBA51000-0x000007FEFBA53000-memory.dmp

Filesize
8KB

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Analysis

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