Analysis
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max time kernel
51s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 02:20
Static task
static1
Behavioral task
behavioral1
Sample
d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe
Resource
win10v2004-20240508-en
General
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Target
d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe
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Size
1.2MB
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MD5
d69c9b286370b62f92c918391b634a58
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SHA1
cc1655427efdee76bcd035e4e49facdfc507428d
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SHA256
d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837
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SHA512
880a3d297dea7c682e860c430fb07dab87a13620fb8d5572bef06b091f41524ab0d2dab334ca4b747913cca11f8f093626fd1097d302e3276d98517b1c81543e
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SSDEEP
24576:ug8OekVBbj2Y9UHmZiJHtf2BqH6H/DyHqYbqG5LerJ2cVPX2JlxrM8CW:TFVBHRzExtD6/6Zk0J3rMw
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cash4cars.nz - Port:
587 - Username:
[email protected] - Password:
logs2024! - 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/2304-13-0x0000000000400000-0x0000000000442000-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/2304-13-0x0000000000400000-0x0000000000442000-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/2304-13-0x0000000000400000-0x0000000000442000-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/2304-13-0x0000000000400000-0x0000000000442000-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/2304-13-0x0000000000400000-0x0000000000442000-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/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
WScript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation WScript.exe -
Executes dropped EXE 1 IoCs
Processes:
x.exepid process 4264 x.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
x.exedescription pid process target process PID 4264 set thread context of 2304 4264 x.exe Caspol.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
x.exeCaspol.exepid process 4264 x.exe 4264 x.exe 4264 x.exe 4264 x.exe 2304 Caspol.exe 2304 Caspol.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
x.exeCaspol.exedescription pid process Token: SeDebugPrivilege 4264 x.exe Token: SeDebugPrivilege 2304 Caspol.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
WScript.exex.exedescription pid process target process PID 1124 wrote to memory of 4264 1124 WScript.exe x.exe PID 1124 wrote to memory of 4264 1124 WScript.exe x.exe PID 1124 wrote to memory of 4264 1124 WScript.exe x.exe PID 4264 wrote to memory of 3972 4264 x.exe Caspol.exe PID 4264 wrote to memory of 3972 4264 x.exe Caspol.exe PID 4264 wrote to memory of 3972 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2036 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2036 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2036 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe PID 4264 wrote to memory of 2304 4264 x.exe Caspol.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Users\Admin\AppData\Local\Temp\x.exe"C:\Users\Admin\AppData\Local\Temp\x.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"3⤵PID:3972
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"3⤵PID:2036
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2304
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
922KB
MD5b00a0fe1481355a44e42eb0c8df8535a
SHA1a564004203522c9f78334d5442fcfd11e1e292ce
SHA2569b2071e0c54d09643e5d6bcaff25e747f2461ea0b1b062753a137489b7596d84
SHA5124697ca800e7eac2c07ea16800eb73170aebfc2898eb1002e9867dea746abd5fba7bbfdc1ab1c9575fd59c46f29d5f594c74599a7397c32b89c58bd6bf07a13dc