Analysis
- max time kernel
110s - max time network
112s - platform
windows10_x64 - resource
win10v200722 - submitted
05/10/2020, 16:30
Static task
static1
Behavioral task
behavioral1
Sample
Versanddetails.exe
Resource
win7
0 signatures
0 seconds
General
- Target Versanddetails.exe
- Size 803KB
- Sample201005-c2ptpchrve
- SHA256 fac7a4da80de5a4be0eb4b0b6e5663c1a005b92688956219094fb33f33e791b2
- MD5 f4f30dc09930082b6e85d7b5d4c6fd5e
- SHA1 8c154a856d497736d15ecc0538c72dc4e77ad80b
- SHA512 21dff9779e0c9f53378aed6a7480bafe8d87c5df422cf26b370565f5fae3992b434c807a7545765efcb70868fa80656e14d751ae7fa5b7aa9517e7fb8cb369ba
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
matiex
Credentials
-
Protocol
smtp
-
Host
ebop.website
-
Port
587
-
Username
-
Password
P@ssw0rdP@ssw0rd
Signatures
- Matiex Main Payload 2 IoCs
resource yara_rule behavioral2/memory/1768-6-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex behavioral2/memory/1768-7-0x000000000046CE6E-mapping.dmp family_matiex - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 freegeoip.app 11 checkip.dyndns.org 14 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3684 set thread context of 1768 3684 Versanddetails.exe 74 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1768 RegAsm.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1768 RegAsm.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3684 Versanddetails.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1768 RegAsm.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1768 RegAsm.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3684 wrote to memory of 1768 3684 Versanddetails.exe 74 PID 3684 wrote to memory of 1768 3684 Versanddetails.exe 74 PID 3684 wrote to memory of 1768 3684 Versanddetails.exe 74 PID 3684 wrote to memory of 1768 3684 Versanddetails.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe"C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1768
-