54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9

Analysis

max time kernel
152s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 10:46

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General

Target

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe
Size

706KB
MD5

95138cc71fb416c74dc3968872b6b330
SHA1

14479f3244675e1ab9b529dfce6f20fd7819b226
SHA256

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9
SHA512

4eddba4ab533d68cf5cc653f67b9ecde489314c400da681081c4357041d1bb0f362bd273d6d5f10f5dc282b7965f8f92ef284ba18bb8611969aefd92afb2cdcd
SSDEEP

12288:gp/iN/mlVdtvrYeyZJf7kPK+iqBZn+D73iKHeGspFjOzQs4xa:gpQ/6trYlvYPK+lqD73TeGsph0Qsd

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ScrBlaze.scr

pid process

4244 ScrBlaze.scr

pid	process
4244	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

Processes:

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe

Drops file in Windows directory 3 IoCs

Processes:

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exeScrBlaze.scr

description	ioc	process
File created	C:\Windows\ScrBlaze.scr	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.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

Processes:

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\ScrBlaze.scr"	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\Desktop	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exeScrBlaze.scr

pid	process
316	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe
316	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe
4244	ScrBlaze.scr
4244	ScrBlaze.scr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe

description	pid	process	target process
PID 316 wrote to memory of 4244	316	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe	ScrBlaze.scr
PID 316 wrote to memory of 4244	316	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe	ScrBlaze.scr
PID 316 wrote to memory of 4244	316	54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe	ScrBlaze.scr

C:\Users\Admin\AppData\Local\Temp\54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe
"C:\Users\Admin\AppData\Local\Temp\54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\ScrBlaze.scr
"C:\Windows\ScrBlaze.scr" /S
2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:4244

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
95138cc71fb416c74dc3968872b6b330

SHA1
14479f3244675e1ab9b529dfce6f20fd7819b226

SHA256
54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9

SHA512
4eddba4ab533d68cf5cc653f67b9ecde489314c400da681081c4357041d1bb0f362bd273d6d5f10f5dc282b7965f8f92ef284ba18bb8611969aefd92afb2cdcd

Download Submit
C:\Windows\ScrBlaze.scr

Filesize
706KB

MD5
95138cc71fb416c74dc3968872b6b330

SHA1
14479f3244675e1ab9b529dfce6f20fd7819b226

SHA256
54ef004ad35db69c9645bc11842f427cdc12f5217fd13b2a97c060c5073d7ff9

SHA512
4eddba4ab533d68cf5cc653f67b9ecde489314c400da681081c4357041d1bb0f362bd273d6d5f10f5dc282b7965f8f92ef284ba18bb8611969aefd92afb2cdcd

Download Submit
memory/4244-132-0x0000000000000000-mapping.dmp

Download