be11a0524365455c9b82b76f4d8942ad3b2d2fc3e6807aa683042005183cadb4

Analysis

max time kernel
207s
max time network
421s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 20:56

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General

Target

Data/Language.pimx
Size

22KB
MD5

01fbf905f95578b7c2eb370d5bd867b6
SHA1

6688f78f5afba9bbabca1a398371c063f67447c2
SHA256

a17506a018994501e0cf6847ceee97f7cd9ffcffc48b256d180175256ff5c0f7
SHA512

321c7c325dd886f7a154e7aed21b5e8789cd3ec28a0dd87ade8702524857fb2ff271fca16833f2d393ce9ca45cb6b0b87470357ace1bf49d65e7e0efdf423aa5
SSDEEP

384:ntMbm75pVUbnVhU9PFfRYzF66ZfxjUyy9FeQ3Np:ntMIInrU9PBRR6ZfxOX

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-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\pimx_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\.pimx\ = "pimx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\pimx_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\pimx_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\pimx_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\pimx_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\pimx_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\.pimx	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1448 AcroRd32.exe
1448 AcroRd32.exe
1448 AcroRd32.exe

pid	process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1744 wrote to memory of 576	1744	cmd.exe	rundll32.exe
PID 1744 wrote to memory of 576	1744	cmd.exe	rundll32.exe
PID 1744 wrote to memory of 576	1744	cmd.exe	rundll32.exe
PID 576 wrote to memory of 1448	576	rundll32.exe	AcroRd32.exe
PID 576 wrote to memory of 1448	576	rundll32.exe	AcroRd32.exe
PID 576 wrote to memory of 1448	576	rundll32.exe	AcroRd32.exe
PID 576 wrote to memory of 1448	576	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Data\Language.pimx
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\Data\Language.pimx
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:576

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\Data\Language.pimx"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1448

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

Replay Monitor

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Downloads

memory/576-76-0x0000000000000000-mapping.dmp

Download
memory/1448-81-0x0000000000000000-mapping.dmp

Download
memory/1448-82-0x0000000074C41000-0x0000000074C43000-memory.dmp

Filesize
8KB

Download
memory/1744-54-0x000007FEFB861000-0x000007FEFB863000-memory.dmp

Filesize
8KB

Download