Analysis
-
max time kernel
161s -
max time network
201s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 05:09
Static task
static1
Behavioral task
behavioral1
Sample
0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe
Resource
win10v2004-20221111-en
General
-
Target
0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe
-
Size
1.1MB
-
MD5
d631ca3c1d6970635ecee6f6ccf087fa
-
SHA1
db6cc11cea99f16e79b5c2944928d882316a37a6
-
SHA256
0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538
-
SHA512
798f599ff0a13dc681aaa490e0f1337c463176b8ef34cf5dc8d74fb54fab185087e53fd825c57a20d9c823a889d260e727709c2e88c581573dd724000bcf140b
-
SSDEEP
24576:29tcBbHxQawkkAv/DEW7Mu0ikNyc+ccSO+Q5en0Ff54K+eJaw:ocBbRQaw/Av/oW7DL8kccMQ5en0FB44J
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
explorer.exepid process 1676 explorer.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe -
Drops startup file 2 IoCs
Processes:
explorer.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\08f4dc96bbb7af09d1a37fe35c75a42f.exe explorer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\08f4dc96bbb7af09d1a37fe35c75a42f.exe explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\08f4dc96bbb7af09d1a37fe35c75a42f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .." explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\08f4dc96bbb7af09d1a37fe35c75a42f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .." explorer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
explorer.exepid process 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe 1676 explorer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
explorer.exedescription pid process Token: SeDebugPrivilege 1676 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exeexplorer.exedescription pid process target process PID 1692 wrote to memory of 1676 1692 0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe explorer.exe PID 1692 wrote to memory of 1676 1692 0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe explorer.exe PID 1692 wrote to memory of 1676 1692 0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe explorer.exe PID 1676 wrote to memory of 3236 1676 explorer.exe netsh.exe PID 1676 wrote to memory of 3236 1676 explorer.exe netsh.exe PID 1676 wrote to memory of 3236 1676 explorer.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe"C:\Users\Admin\AppData\Local\Temp\0acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Users\Admin\AppData\Local\Temp\explorer.exe"C:\Users\Admin\AppData\Local\Temp\explorer.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:3236
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\explorer.exeFilesize
1.1MB
MD5d631ca3c1d6970635ecee6f6ccf087fa
SHA1db6cc11cea99f16e79b5c2944928d882316a37a6
SHA2560acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538
SHA512798f599ff0a13dc681aaa490e0f1337c463176b8ef34cf5dc8d74fb54fab185087e53fd825c57a20d9c823a889d260e727709c2e88c581573dd724000bcf140b
-
C:\Users\Admin\AppData\Local\Temp\explorer.exeFilesize
1.1MB
MD5d631ca3c1d6970635ecee6f6ccf087fa
SHA1db6cc11cea99f16e79b5c2944928d882316a37a6
SHA2560acc20365b1d66008cd1ea125c681d0d7d7cd3714dc7fc22b260a8c74ffb6538
SHA512798f599ff0a13dc681aaa490e0f1337c463176b8ef34cf5dc8d74fb54fab185087e53fd825c57a20d9c823a889d260e727709c2e88c581573dd724000bcf140b
-
memory/1676-136-0x0000000000000000-mapping.dmp
-
memory/1692-132-0x0000000000040000-0x000000000016A000-memory.dmpFilesize
1.2MB
-
memory/1692-134-0x0000000005120000-0x00000000051BC000-memory.dmpFilesize
624KB
-
memory/1692-135-0x0000000005770000-0x0000000005D14000-memory.dmpFilesize
5.6MB
-
memory/3236-140-0x0000000000000000-mapping.dmp