4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a

General

Target

4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
Size

706KB
MD5

2def3b86e7117c6e78b333be209769b9
SHA1

2842267899c476e87f40de88c5f07590bc0c94e8
SHA256

4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a
SHA512

d22dfd9cf08ac9141cbcccb358f87bdfb4a385520df23f2e297c37b8f742bdfbd9ab299392ea2cf8c8926d14cb5f326e5819190e43ab8d2b0d5150a8111907da
SSDEEP

12288:gp/iN/mlVdtvrYeyZJf7kPK+iqBZn+D73iKHeGspT4IeAYE5DLam:gpQ/6trYlvYPK+lqD73TeGsp9YEgm

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1780	ScrBlaze.scr

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\s18273659	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
File created	C:\Windows\ScrBlaze.scr	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
File created	C:\Windows\s18273659	ScrBlaze.scr
File opened for modification	C:\Windows\s18273659	ScrBlaze.scr
File created	C:\Windows\s18273659	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\ScrBlaze.scr"	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\Desktop	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	ScrBlaze.scr
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	ScrBlaze.scr
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	ScrBlaze.scr

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	ScrBlaze.scr
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ScrBlaze.scr

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1088	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
1088	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
1780	ScrBlaze.scr
1780	ScrBlaze.scr

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1780	1088	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe	29
PID 1088 wrote to memory of 1780	1088	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe	29
PID 1088 wrote to memory of 1780	1088	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe	29
PID 1088 wrote to memory of 1780	1088	4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe	29

C:\Users\Admin\AppData\Local\Temp\4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe
"C:\Users\Admin\AppData\Local\Temp\4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a.exe"
1⤵
- Drops file in Windows directory
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\ScrBlaze.scr
  "C:\Windows\ScrBlaze.scr" /S
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies system certificate store
  - Suspicious use of SetWindowsHookEx
  PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\PBCQO8KM.txt

Filesize
74B

MD5
909c19eae150c21d9b3fc1ef9e741fe3

SHA1
7e8c63dbbbfe98c5021ee786c9c92136bad04563

SHA256
a8d6959648504667aa08b0462dcd76949f61519df7745912f52541aa9e319cbc

SHA512
f733cff95f43f3fa657e9c07aa76a28f5e2b5b80774a257e5b78b863962d73017cd4b8f3178fbab7c40f15294efcc1dce8b0ae1525abe21fbb16134376b2a7d8

Download Submit
C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
2def3b86e7117c6e78b333be209769b9

SHA1
2842267899c476e87f40de88c5f07590bc0c94e8

SHA256
4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a

SHA512
d22dfd9cf08ac9141cbcccb358f87bdfb4a385520df23f2e297c37b8f742bdfbd9ab299392ea2cf8c8926d14cb5f326e5819190e43ab8d2b0d5150a8111907da

Download Submit
C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
2def3b86e7117c6e78b333be209769b9

SHA1
2842267899c476e87f40de88c5f07590bc0c94e8

SHA256
4cc59e2aaf2bd819cb76e5e4dd14a9d361679e798f18e5360db8b00ad759f47a

SHA512
d22dfd9cf08ac9141cbcccb358f87bdfb4a385520df23f2e297c37b8f742bdfbd9ab299392ea2cf8c8926d14cb5f326e5819190e43ab8d2b0d5150a8111907da

Download Submit
C:\Windows\s18273659

Filesize
970B

MD5
9c6542c154fce8fca87aed7a6602405c

SHA1
ef2e7b6425bbe7a2bc1dca1abc2c0af5d73d7b37

SHA256
b2f435cdd2a066a8ab18cf5336b2a2a6a62961121c8be450416db022bb18b612

SHA512
37ed15be39f5970110765cb5cc3077a0a0c8fd796e3e06379208319a64b1b6cb06b0794e4bfe285fe0d761d4c66937620ac5f12f9d81aba6f89a210e246fcf41

Download Submit
memory/1088-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads