f28f21fb731b222ba26788a21c5d8f9547c55e3a1703204fb634c7cdf12f75b4

General

Target

UnHAnaAW.x86
Size

72KB
MD5

2fbd7450e710106e40f973c15359d94a
SHA1

981cf3e75f770741b2c8287fd080e0bdd31b17f2
SHA256

f28f21fb731b222ba26788a21c5d8f9547c55e3a1703204fb634c7cdf12f75b4
SHA512

5098684ea0b96cd2e663374b7eee3fdece6170c6eca0edecd7e11f17eb198cd97191c572a8e8aeb0876cc8a99ce45962ee82d55ab5baa5ea3cf78a5beecf76e8

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-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\x86_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\x86_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\.x86\ = "x86_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\x86_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\x86_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\x86_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\x86_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\.x86	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

776 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

776 AcroRd32.exe
776 AcroRd32.exe
776 AcroRd32.exe

pid	process
776	AcroRd32.exe

pid	process
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1744 wrote to memory of 864	1744	cmd.exe	rundll32.exe
PID 1744 wrote to memory of 864	1744	cmd.exe	rundll32.exe
PID 1744 wrote to memory of 864	1744	cmd.exe	rundll32.exe
PID 864 wrote to memory of 776	864	rundll32.exe	AcroRd32.exe
PID 864 wrote to memory of 776	864	rundll32.exe	AcroRd32.exe
PID 864 wrote to memory of 776	864	rundll32.exe	AcroRd32.exe
PID 864 wrote to memory of 776	864	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UnHAnaAW.x86
1⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\UnHAnaAW.x86
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:864

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\UnHAnaAW.x86"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:776

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/776-57-0x0000000000000000-mapping.dmp

Download
memory/776-58-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/864-55-0x0000000000000000-mapping.dmp

Download
memory/1744-54-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp

Filesize
8KB

Download

Analysis

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