Analysis
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max time kernel
138s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 02:37
Static task
static1
Behavioral task
behavioral1
Sample
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe
Resource
win10v2004-20240508-en
General
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Target
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe
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Size
768KB
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MD5
aa2e0331db7bdc7c4a51a4d9ca2f4832
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SHA1
fc6ee67838401e8cbcef4e2c547d06cb56f12628
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SHA256
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad
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SHA512
42c7e114bd9fa67301724481c893bfaa95ec633b53328d157b95e26fe6c4ca29e29cbda5ac0bcc73577865d18d4c3875fc2c08f6747f4ec926868e41c20957c3
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SSDEEP
12288:+IeWET/mr9K+22BEEzFatnhghS5+v+DUVNf5MWl0axTbo+i1Cv7z2CjH8mri7jY3:OWtb3BEMhS5qOk5SVC+CjcmWg
Malware Config
Extracted
Protocol: smtp- Host:
mail.deblokhoeve.be - Port:
587 - Username:
[email protected] - Password:
Blokhoeve2490.i
Extracted
agenttesla
Protocol: smtp- Host:
mail.deblokhoeve.be - Port:
587 - Username:
[email protected] - Password:
Blokhoeve2490.i - 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
Processes:
resource yara_rule behavioral2/memory/2672-29-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-29-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-29-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-29-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-29-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-29-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe -
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
Processes:
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VmkjVd = "C:\\Users\\Admin\\AppData\\Roaming\\VmkjVd\\VmkjVd.exe" f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 34 api.ipify.org 33 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exedescription pid process target process PID 1380 set thread context of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe -
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 4 IoCs
Processes:
powershell.exef0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exepid process 3788 powershell.exe 2672 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe 2672 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe 3788 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exef0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exedescription pid process Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 2672 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exepid process 2672 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exedescription pid process target process PID 1380 wrote to memory of 3788 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe powershell.exe PID 1380 wrote to memory of 3788 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe powershell.exe PID 1380 wrote to memory of 3788 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe powershell.exe PID 1380 wrote to memory of 1772 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe schtasks.exe PID 1380 wrote to memory of 1772 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe schtasks.exe PID 1380 wrote to memory of 1772 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe schtasks.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe PID 1380 wrote to memory of 2672 1380 f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe"C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\saPiRlsccSHapA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3788 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\saPiRlsccSHapA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8E0.tmp"2⤵
- Creates scheduled task(s)
PID:1772 -
C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe"C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2672
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\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD550008f9015c9ba4a02dd014d1ebe126e
SHA1260c01b41750c4b5a20122a3cabda09bd00b5764
SHA25613edcdac5177264995417160f7daa6fc85377e5e038f7b66896cb5073d61650a
SHA512946787a3e0a1665104d57d107acd179dbd78863801bf1f9260bf152ead61b9b9f3bab7f7688c0b99eb32f2a6df8556b0a8ba9835463318a31a62df0d3364627c