b46a60a9d1990979f83464f546acb6c680e1616ea4fb71c8fedeead8eea4efb0

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 18:24

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General

Target

pcl-to-pdf-cmd/pcltopdf.exe
Size

1.4MB
MD5

4655f346e522c118c64dd209920836de
SHA1

d59f0a381bf47d61405a1fab90dd12138ec2ee36
SHA256

7c81c009662024c19016cc12b6c05aef915887333273bf225c582382c013d04b
SHA512

2c8d617a91f690eaaec22d4996cd2a39740047285f3859f5620b9f5497eab694184d23e7a4edd956ce94faa96e9b07a9a16b7bbecc8356439022992bd4a305eb
SSDEEP

24576:UoXMfc6gc3b9vpP4Z2GYHJpdXC4hSrmWeB5kRcA8dKd2UK/cRgOnmq9g6BXl2uRE:Uo8fftpw4GYHJ7y40rmpLKecOU7m6BVI

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	pcltopdf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pcltopdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	pcltopdf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4012	3968	pcltopdf.exe	82
PID 3968 wrote to memory of 4012	3968	pcltopdf.exe	82
PID 3968 wrote to memory of 4012	3968	pcltopdf.exe	82

C:\Users\Admin\AppData\Local\Temp\pcl-to-pdf-cmd\pcltopdf.exe
"C:\Users\Admin\AppData\Local\Temp\pcl-to-pdf-cmd\pcltopdf.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\pcl-to-pdf-cmd\Command line.txt
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3968-0-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/3968-1-0x0000000002510000-0x0000000002570000-memory.dmp

Filesize
384KB

Download
memory/3968-9-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-8-0x0000000002700000-0x0000000002701000-memory.dmp

Filesize
4KB

Download
memory/3968-7-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/3968-6-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/3968-5-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/3968-4-0x00000000026F0000-0x00000000026F1000-memory.dmp

Filesize
4KB

Download
memory/3968-3-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/3968-2-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/3968-23-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-39-0x0000000002760000-0x0000000002761000-memory.dmp

Filesize
4KB

Download
memory/3968-38-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download
memory/3968-37-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-36-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/3968-35-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-34-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-33-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-32-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/3968-31-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/3968-30-0x0000000002800000-0x0000000002801000-memory.dmp

Filesize
4KB

Download
memory/3968-29-0x0000000002810000-0x0000000002811000-memory.dmp

Filesize
4KB

Download
memory/3968-28-0x00000000027B0000-0x00000000027B1000-memory.dmp

Filesize
4KB

Download
memory/3968-27-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/3968-26-0x0000000002770000-0x0000000002771000-memory.dmp

Filesize
4KB

Download
memory/3968-25-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/3968-24-0x0000000002740000-0x0000000002741000-memory.dmp

Filesize
4KB

Download
memory/3968-22-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-21-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-20-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-19-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-18-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-17-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-16-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-15-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-14-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-13-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-12-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-11-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/3968-10-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-40-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/3968-45-0x0000000003670000-0x0000000003672000-memory.dmp

Filesize
8KB

Download
memory/3968-46-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/3968-48-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/3968-47-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/3968-44-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-43-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-42-0x0000000002510000-0x0000000002570000-memory.dmp

Filesize
384KB

Download
memory/3968-41-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/3968-49-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/3968-50-0x0000000002510000-0x0000000002570000-memory.dmp

Filesize
384KB

Download