Analysis
- max time kernel
158s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
07/06/2022, 10:46
Static task
static1
Behavioral task
behavioral1
Sample
49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe
- Size 2.5MB
- Sample220607-mt26mahfdk
- SHA256 49afbb1cb5c5233a0abb79e7011481b751eb3598c1a177e8beff7b5d746c9734
- MD5 2f781cdd905fea6c93a2929b02a7f4f9
- SHA1 4028d40294a57afe1675c73c58e4c82b81ee2bb4
- SHA512 d1b36387ceef197de8643dfea9c0e9ae825dcc52b8e1534b47947b5585874498e52bc23e198efca7b9dc6888253a2c91bab0a1e9164dc1892281d32baa45bdaf
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe - Loads dropped DLL 1 IoCs
pid Process 2724 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe - Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 223.5.5.5 Destination IP 223.5.5.5 Destination IP 223.5.5.5 Destination IP 223.5.5.5 Destination IP 223.5.5.5 - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe" 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2724 wrote to memory of 3816 2724 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe 77 PID 2724 wrote to memory of 3816 2724 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe 77 PID 2724 wrote to memory of 3816 2724 49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe"C:\Users\Admin\AppData\Local\Temp\49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Users\Admin\AppData\Local\Temp\49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe"C:\Users\Admin\AppData\Local\Temp\49AFBB1CB5C5233A0ABB79E7011481B751EB3598C1A177E8BEFF7B5D746C9734.exe" dog 3932822⤵PID:3816
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\plugin\DreamApslop.dll
- Size 2.6MB
- SHA256 22696773e65fbbf4d348f9190ff318bdf1b6dbfc4726033b5e35b2436bb5a9cc
- MD5 0ce3a923f6263d877946ffbeb4666de7
- SHA1 a84f4f2bfd4351c5b05e9d6017bddd9572574a0d
- SHA512 3631ec39297b8647afe7c98dc26ef5d16445a6703a5b302fbbe60c79f962c10a2687b0c91a5f6f02e5524ff4ef7519fa646fe96655db721f54b5945c50c038be
- SSDEEP 49152:NsHFg3hRNAoDDvx1JryPsWw5YzC/7a5LIi4ngo9WKmNM:NsHFUoIWw5v/AL
- MD5 SHA1 SHA512 SSDEEP