Analysis
- max time kernel
124s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240729-en - resource tags
- submitted
30/07/2024, 13:12
General
- Target Shipping Documents 2906381504.exe
- Size 1.1MB
- Sample240730-qfgvbavdjc
- SHA256 267a95b7715bba494b96ff9d7bf29dfd8ee2c73c5312964b5039962826ce6fc7
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.erba-med.com
-
Port
587
-
Username
-
Password
Application$1.
Signatures
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipping Documents 2906381504.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents 2906381504.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JZWvRv.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JZWvRv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Shipping Documents 2906381504.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents 2906381504.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_3s4pcor0.qbv.ps1
tmpB7.tmp
memory/1576-55-0x0000000007750000-0x000000000775A000-memory.dmp
memory/1576-19-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/1576-63-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/1576-61-0x0000000007A00000-0x0000000007A08000-memory.dmp
memory/1576-60-0x0000000007A20000-0x0000000007A3A000-memory.dmp
memory/1576-59-0x0000000007920000-0x0000000007934000-memory.dmp
memory/1576-58-0x0000000007910000-0x000000000791E000-memory.dmp
memory/1576-57-0x00000000078E0000-0x00000000078F1000-memory.dmp
memory/1576-14-0x0000000002AA0000-0x0000000002AD6000-memory.dmp
memory/1576-56-0x0000000007960000-0x00000000079F6000-memory.dmp
memory/1576-16-0x0000000005530000-0x0000000005B58000-memory.dmp
memory/1576-17-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/1576-18-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/1576-40-0x00000000073C0000-0x00000000073F2000-memory.dmp
memory/1576-53-0x0000000007D30000-0x00000000083AA000-memory.dmp
memory/1576-54-0x00000000076E0000-0x00000000076FA000-memory.dmp
memory/1576-52-0x0000000007600000-0x00000000076A3000-memory.dmp
memory/1576-24-0x0000000005410000-0x0000000005432000-memory.dmp
memory/1576-26-0x0000000005B60000-0x0000000005BC6000-memory.dmp
memory/1576-25-0x00000000054B0000-0x0000000005516000-memory.dmp
memory/1576-37-0x0000000005D90000-0x00000000060E4000-memory.dmp
memory/1576-51-0x0000000006930000-0x000000000694E000-memory.dmp
memory/1576-41-0x00000000709A0000-0x00000000709EC000-memory.dmp
memory/1576-38-0x00000000063C0000-0x00000000063DE000-memory.dmp
memory/1576-39-0x00000000065B0000-0x00000000065FC000-memory.dmp
memory/2548-3-0x0000000004D70000-0x0000000004E02000-memory.dmp
memory/2548-4-0x0000000004C90000-0x0000000004C9A000-memory.dmp
memory/2548-1-0x00000000002C0000-0x00000000003EC000-memory.dmp
memory/2548-23-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/2548-6-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/2548-5-0x0000000004FA0000-0x000000000503C000-memory.dmp
memory/2548-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp
memory/2548-2-0x0000000005320000-0x00000000058C4000-memory.dmp
memory/2548-9-0x0000000006130000-0x00000000061BA000-memory.dmp
memory/2548-8-0x0000000005FD0000-0x0000000005FDE000-memory.dmp
memory/2548-7-0x00000000075E0000-0x00000000075F2000-memory.dmp
memory/2716-20-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2716-22-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/2716-27-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/2716-64-0x00000000066D0000-0x0000000006892000-memory.dmp
memory/2716-65-0x0000000006550000-0x00000000065A0000-memory.dmp
memory/2716-66-0x0000000006DD0000-0x00000000072FC000-memory.dmp
memory/2716-67-0x0000000074C50000-0x0000000075400000-memory.dmp
memory/2716-68-0x0000000074C50000-0x0000000075400000-memory.dmp