25d6e3b978647011109bdc17d862feb6d6460d8bc885e0dbfaf3eab879d61cb5

Analysis

max time kernel
112s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 12:11

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General

Target

Order No. BCM190282_pdf.exe
Size

826KB
MD5

69e545d71bc4c5ce0e183ff07de3a461
SHA1

a9ad99446510ffeb6df4674e347759e75636620a
SHA256

8e4f6a245cfec457659dbed6b01543fa43cbdb623afa53185e27fa82ddb5a79d
SHA512

76e36c9586afa56f0ce68bca5a2413edbd7c97142362f9803c6b8fa336e81fff87c817c1f53c562c531b140c70f4d79758a91eea1ad7f845e01414186e485431

Score

7^/10

persistence

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

Processes:

Order No. BCM190282_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Order No. BCM190282_pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Order No. BCM190282_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZrSnbJGc = "C:\\Users\\Admin\\AppData\\Roaming\\ZrSnbJGc.exe"	Order No. BCM190282_pdf.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Order No. BCM190282_pdf.exe

description	pid	process	target process
PID 3164 wrote to memory of 1664	3164	Order No. BCM190282_pdf.exe	wscript.exe
PID 3164 wrote to memory of 1664	3164	Order No. BCM190282_pdf.exe	wscript.exe
PID 3164 wrote to memory of 1664	3164	Order No. BCM190282_pdf.exe	wscript.exe
PID 3164 wrote to memory of 2660	3164	Order No. BCM190282_pdf.exe	Order No. BCM190282_pdf.exe
PID 3164 wrote to memory of 2660	3164	Order No. BCM190282_pdf.exe	Order No. BCM190282_pdf.exe
PID 3164 wrote to memory of 2660	3164	Order No. BCM190282_pdf.exe	Order No. BCM190282_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3164

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Roaming\iUghIUAa.vbs
2⤵
PID:1664

C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe"
2⤵
PID:2660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1664-134-0x0000000000000000-mapping.dmp

Download
memory/2660-135-0x0000000000000000-mapping.dmp

Download
memory/3164-131-0x0000000000F40000-0x0000000001014000-memory.dmp

Filesize
848KB

Download
memory/3164-132-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/3164-133-0x0000000004CB0000-0x0000000004D4C000-memory.dmp

Filesize
624KB

Download