021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2023 03:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
Size

5.4MB
MD5

600becaa57f2876e4f65428b66e50255
SHA1

07eda3811bbc69c40c1bdb2568ac378c3bdd6890
SHA256

021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1
SHA512

6c1c92496c017eee174652ffacde683bb691ace010f00faf4e956b4650fd7ccd57fa9be8ed4f1050ffd77290cf35211eed4742e8ce3971cfcc4ba5805bfbe58b
SSDEEP

98304:3D1QF66fwoLTnlRnq58ud+B8sgXNjQbz3nXki2xUqJssJrneCg:ys6ffLZQ6B8xjQnX6x5sW6P

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1204	AppleWorkshop.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SamsungElectronicsViewer = "C:\\ProgramData\\BiostarChecker\\AppleWorkshop.exe"	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows\CurrentVersion\Run	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
1204	AppleWorkshop.exe
1204	AppleWorkshop.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
1204	AppleWorkshop.exe
1204	AppleWorkshop.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 1204	4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe	84
PID 4400 wrote to memory of 1204	4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe	84
PID 4400 wrote to memory of 1204	4400	021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe	84

C:\Users\Admin\AppData\Local\Temp\021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe
"C:\Users\Admin\AppData\Local\Temp\021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4400
- C:\ProgramData\BiostarChecker\AppleWorkshop.exe
  C:\ProgramData\BiostarChecker\AppleWorkshop.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\BiostarChecker\AppleWorkshop.exe

Filesize
5.4MB

MD5
600becaa57f2876e4f65428b66e50255

SHA1
07eda3811bbc69c40c1bdb2568ac378c3bdd6890

SHA256
021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1

SHA512
6c1c92496c017eee174652ffacde683bb691ace010f00faf4e956b4650fd7ccd57fa9be8ed4f1050ffd77290cf35211eed4742e8ce3971cfcc4ba5805bfbe58b

Download Submit
C:\ProgramData\BiostarChecker\AppleWorkshop.exe

Filesize
5.4MB

MD5
600becaa57f2876e4f65428b66e50255

SHA1
07eda3811bbc69c40c1bdb2568ac378c3bdd6890

SHA256
021a8abb7c802c5ff22f74983298d56089c9c80677aa7b7eca80bd3b98a927c1

SHA512
6c1c92496c017eee174652ffacde683bb691ace010f00faf4e956b4650fd7ccd57fa9be8ed4f1050ffd77290cf35211eed4742e8ce3971cfcc4ba5805bfbe58b

Download Submit
memory/1204-139-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/1204-140-0x0000000000400000-0x0000000000963000-memory.dmp

Filesize
5.4MB

Download
memory/4400-133-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/4400-134-0x0000000000400000-0x0000000000963000-memory.dmp

Filesize
5.4MB

Download