Analysis
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max time kernel
148s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
22-05-2024 14:44
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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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\tmp856C.tmp"2⤵
- Creates scheduled task(s)
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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
64B
MD514d29780a1a948b64fd87f02b94b7109
SHA166f9d7d57c2a1284c29350b7e6171eedc34f36f7
SHA256e6835cf77d69df3cdbac40cb814b39fa4cc06bcabf8c4a8b3c0de633f9332e31
SHA512f10205998c7576e5723a60b40ea485b552dbd40f3583ecf51c1b28a53d6e4a1324e104e911714e0f93ddb302ce08d10b4abb5b550c0e519e3fa6b336f3c9ecec
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vjmkwe24.qsm.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp856C.tmpFilesize
1KB
MD5ed7a0e8b0087ce0993f155811cb1b3ec
SHA13cb29f5b9f74b4e3abdc91bfa3e47ceee3322649
SHA256b57df55cee2ddbfd2ed7833dd0ba54d4f4024abe4ff075b2f7acfad99a79c781
SHA51263973f011d148864d43b172849d5c56dda04d27a3a8a2671fc24daa125100d2bcf2b65060f299dc7495ee486c4b91f4b59ef211d37efe0176bbb573d3fa0dcc0
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memory/1088-49-0x0000000007940000-0x0000000007972000-memory.dmpFilesize
200KB
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memory/1088-75-0x0000000007F20000-0x0000000007FB6000-memory.dmpFilesize
600KB
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memory/1088-74-0x0000000007D10000-0x0000000007D1A000-memory.dmpFilesize
40KB
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memory/1088-60-0x0000000006F30000-0x0000000006F4E000-memory.dmpFilesize
120KB
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memory/1088-22-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/1088-50-0x000000006FA40000-0x000000006FA8C000-memory.dmpFilesize
304KB
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memory/1088-48-0x0000000006EC0000-0x0000000006F0C000-memory.dmpFilesize
304KB
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memory/1088-47-0x0000000006960000-0x000000000697E000-memory.dmpFilesize
120KB
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memory/1088-25-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/1088-17-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/1088-79-0x0000000007FE0000-0x0000000007FFA000-memory.dmpFilesize
104KB
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memory/1088-88-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/3424-15-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/3424-77-0x00000000076B0000-0x00000000076BE000-memory.dmpFilesize
56KB
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memory/3424-19-0x00000000051B0000-0x00000000051D2000-memory.dmpFilesize
136KB
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memory/3424-84-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/3424-21-0x00000000052C0000-0x0000000005326000-memory.dmpFilesize
408KB
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memory/3424-32-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/3424-16-0x00000000054C0000-0x0000000005AE8000-memory.dmpFilesize
6.2MB
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memory/3424-80-0x00000000077A0000-0x00000000077A8000-memory.dmpFilesize
32KB
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memory/3424-23-0x0000000005B20000-0x0000000005E74000-memory.dmpFilesize
3.3MB
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memory/3424-78-0x00000000076C0000-0x00000000076D4000-memory.dmpFilesize
80KB
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memory/3424-20-0x0000000005250000-0x00000000052B6000-memory.dmpFilesize
408KB
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memory/3424-14-0x0000000002860000-0x0000000002896000-memory.dmpFilesize
216KB
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memory/3424-76-0x0000000007680000-0x0000000007691000-memory.dmpFilesize
68KB
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memory/3424-73-0x0000000007480000-0x000000000749A000-memory.dmpFilesize
104KB
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memory/3424-61-0x000000006FA40000-0x000000006FA8C000-memory.dmpFilesize
304KB
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memory/3424-72-0x0000000007AC0000-0x000000000813A000-memory.dmpFilesize
6.5MB
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memory/3424-71-0x0000000007330000-0x00000000073D3000-memory.dmpFilesize
652KB
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memory/4416-46-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/4416-7-0x0000000006550000-0x0000000006560000-memory.dmpFilesize
64KB
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memory/4416-6-0x00000000080F0000-0x000000000810A000-memory.dmpFilesize
104KB
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memory/4416-5-0x0000000074CB0000-0x0000000075460000-memory.dmpFilesize
7.7MB
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memory/4416-9-0x000000000A890000-0x000000000A92C000-memory.dmpFilesize
624KB
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memory/4416-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmpFilesize
4KB
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memory/4416-8-0x0000000008110000-0x0000000008194000-memory.dmpFilesize
528KB
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memory/4416-4-0x0000000005590000-0x000000000559A000-memory.dmpFilesize
40KB
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memory/4416-26-0x0000000074CBE000-0x0000000074CBF000-memory.dmpFilesize
4KB
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memory/4416-81-0x0000000009460000-0x00000000094B0000-memory.dmpFilesize
320KB
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memory/4416-24-0x00000000065B0000-0x00000000065F2000-memory.dmpFilesize
264KB
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memory/4416-3-0x00000000053F0000-0x0000000005482000-memory.dmpFilesize
584KB
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memory/4416-2-0x00000000059A0000-0x0000000005F44000-memory.dmpFilesize
5.6MB
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memory/4416-1-0x0000000000940000-0x00000000009F4000-memory.dmpFilesize
720KB