eefc3d0a6af3df17b4c97f8404509550aa8eb99b3757a0ba4590c6bce88c96ca

General

Target

IlusionChecker.7z
Size

3.6MB
MD5

ffdcbdd06ed59b0c4a507cac8d575913
SHA1

de5e9d4384db0866f083db001217373b34451ea6
SHA256

eefc3d0a6af3df17b4c97f8404509550aa8eb99b3757a0ba4590c6bce88c96ca
SHA512

09765eac9a6f6dd493a6907e20f07e756ae443bdb7a2e10233161e179fc46669fa5796b91df57a3e5cf3607d1f9fb4ab33e002e2b596699115b624f09b3dc5b5

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-1-5-21-103686315-404690609-2047157615-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\7z_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_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-1-5-21-103686315-404690609-2047157615-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\.7z	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

572 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

572 AcroRd32.exe
572 AcroRd32.exe
572 AcroRd32.exe

pid	process
572	AcroRd32.exe

pid	process
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 724 wrote to memory of 556	724	cmd.exe	rundll32.exe
PID 724 wrote to memory of 556	724	cmd.exe	rundll32.exe
PID 724 wrote to memory of 556	724	cmd.exe	rundll32.exe
PID 556 wrote to memory of 572	556	rundll32.exe	AcroRd32.exe
PID 556 wrote to memory of 572	556	rundll32.exe	AcroRd32.exe
PID 556 wrote to memory of 572	556	rundll32.exe	AcroRd32.exe
PID 556 wrote to memory of 572	556	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IlusionChecker.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:724

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\IlusionChecker.7z
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:556

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\IlusionChecker.7z"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:572

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/556-56-0x0000000000000000-mapping.dmp

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memory/572-58-0x0000000000000000-mapping.dmp

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memory/572-59-0x0000000074E51000-0x0000000074E53000-memory.dmp

Filesize
8KB

Download
memory/724-55-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

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Analysis

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