cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4

Analysis

max time kernel
226s
max time network
248s
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

cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
Size

706KB
MD5

317aacbb0cb342ff4e081c7e3f9a069c
SHA1

e9d29a309d1dc6b7760f40bcd1429c7caaf80e98
SHA256

cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4
SHA512

fe11689f314d6a6f86b2543dc1642c5cb3665740ddd66d371f010b3ac9f0c02c83085d1c05e4852c4aa42a36872b07ded8363220d84090d453a86a4df5158f26
SSDEEP

12288:gp/iN/mlVdtvrYeyZJf7kPK+iqBZn+D73iKHeGsp8rCSP4MsNShs9fMQL1aa:gpQ/6trYlvYPK+lqD73TeGsp8rJP4Msn

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3540	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\s18273659	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
File opened for modification	C:\Windows\s18273659	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
File created	C:\Windows\ScrBlaze.scr	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
File created	C:\Windows\s18273659	ScrBlaze.scr
File opened for modification	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\Desktop	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\ScrBlaze.scr"	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
220	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
220	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
3540	ScrBlaze.scr
3540	ScrBlaze.scr

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3540	220	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe	83
PID 220 wrote to memory of 3540	220	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe	83
PID 220 wrote to memory of 3540	220	cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe	83

C:\Users\Admin\AppData\Local\Temp\cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe
"C:\Users\Admin\AppData\Local\Temp\cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\ScrBlaze.scr
  "C:\Windows\ScrBlaze.scr" /S
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
317aacbb0cb342ff4e081c7e3f9a069c

SHA1
e9d29a309d1dc6b7760f40bcd1429c7caaf80e98

SHA256
cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4

SHA512
fe11689f314d6a6f86b2543dc1642c5cb3665740ddd66d371f010b3ac9f0c02c83085d1c05e4852c4aa42a36872b07ded8363220d84090d453a86a4df5158f26

Download Submit
C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
317aacbb0cb342ff4e081c7e3f9a069c

SHA1
e9d29a309d1dc6b7760f40bcd1429c7caaf80e98

SHA256
cc6c941a470e14efea8b4acb2f11ce856f1d51beb42d80b801211d85e5da49c4

SHA512
fe11689f314d6a6f86b2543dc1642c5cb3665740ddd66d371f010b3ac9f0c02c83085d1c05e4852c4aa42a36872b07ded8363220d84090d453a86a4df5158f26

Download Submit