bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778

Analysis

max time kernel
149s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 23:04

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General

Target

bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
Size

706KB
MD5

56fcf0859775d2ff57e143e276d77a5b
SHA1

e9815475d8756d42e4cc803e311aefea28ae83db
SHA256

bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778
SHA512

c8f23f7f88792ac6c99293376ce94e74f9dbaae2cff36808694e8c2126dc43953334e61240b1b1259416059d9ae7bd515ca7ee2a6aa2d5fe2d712198d719b018
SSDEEP

12288:gp/iN/mlVdtvrYeyZJf7kPK+iqBZn+D73iKHeGspgaFKNT4dzVqn70am:gpQ/6trYlvYPK+lqD73TeGspga0J4CnO

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1580	ScrBlaze.scr

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\s18273659	ScrBlaze.scr
File created	C:\Windows\s18273659	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
File opened for modification	C:\Windows\s18273659	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
File created	C:\Windows\ScrBlaze.scr	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
File created	C:\Windows\s18273659	ScrBlaze.scr

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

System Information Discovery
T1082

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\ScrBlaze.scr"	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	ScrBlaze.scr
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	ScrBlaze.scr
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	ScrBlaze.scr
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\IESettingSync	ScrBlaze.scr

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3980	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
3980	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
1580	ScrBlaze.scr
1580	ScrBlaze.scr

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 1580	3980	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe	86
PID 3980 wrote to memory of 1580	3980	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe	86
PID 3980 wrote to memory of 1580	3980	bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe	86

C:\Users\Admin\AppData\Local\Temp\bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe
"C:\Users\Admin\AppData\Local\Temp\bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\ScrBlaze.scr
  "C:\Windows\ScrBlaze.scr" /S
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
56fcf0859775d2ff57e143e276d77a5b

SHA1
e9815475d8756d42e4cc803e311aefea28ae83db

SHA256
bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778

SHA512
c8f23f7f88792ac6c99293376ce94e74f9dbaae2cff36808694e8c2126dc43953334e61240b1b1259416059d9ae7bd515ca7ee2a6aa2d5fe2d712198d719b018

Download Submit
C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
56fcf0859775d2ff57e143e276d77a5b

SHA1
e9815475d8756d42e4cc803e311aefea28ae83db

SHA256
bb6daea6337de03f079afc408c7ba05e1d8dc6a225e96e0253a73bdf05115778

SHA512
c8f23f7f88792ac6c99293376ce94e74f9dbaae2cff36808694e8c2126dc43953334e61240b1b1259416059d9ae7bd515ca7ee2a6aa2d5fe2d712198d719b018

Download Submit