Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
22-05-2024 02:07
General
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Target
af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd.exe
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Size
692KB
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MD5
c7582e3427656fa19fb588ea4385cb50
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SHA1
38412c46489ba803a340d702d477dd2c01df20ce
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SHA256
af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd
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SHA512
db56c10b54d637c600d743c95781ec881f758df61446d6af3eea6566d4c74c9b43aa09fc288c2f1f7655b7c83c1cd961000385a5f2c5f508ff118256421697d9
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SSDEEP
12288:3EkSx504bFIOp+Ja1R7d7aLD23gMhiUsg8DYhm3b5d8ls9HdbQ0BeG2R48:UkSw4buWj1L7/g4ivgrh8d8lOlF64
Malware Config
Extracted
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101*
Extracted
agenttesla
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101* - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd.exe"C:\Users\Admin\AppData\Local\Temp\af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZFawWoJAdbivD.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZFawWoJAdbivD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4764.tmp"2⤵
- Creates scheduled task(s)
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD529881318314762c6b71a946ceacf4f0f
SHA19f9f206ec819a84f1b0b16f66d3e490cf1cc37f9
SHA2567fa4917ef96a08448e353bc1b0c41679b01dbc85b92de5cfa3a1ae1cd745ef81
SHA51252dae9f66dc7b53c3acd302f35ea8ab3e2ab949968c1b3717fba3d40dedcbe52dab62d2e3d39eff91ecd3f210f1eb9ab9af005292ef46668f8e386e3daddb8d2
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Filesize
408KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
56KB
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Filesize
600KB
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Filesize
40KB
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Filesize
6.5MB
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Filesize
216KB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
3.3MB
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Filesize
304KB
-
Filesize
120KB
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Filesize
104KB
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Filesize
652KB
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Filesize
136KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
80KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
200KB
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Filesize
68KB
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Filesize
304KB
-
Filesize
120KB
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Filesize
320KB
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Filesize
584KB
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Filesize
4KB
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Filesize
624KB
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Filesize
528KB
-
Filesize
264KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
104KB
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Filesize
720KB
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Filesize
40KB
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Filesize
4KB