Analysis
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max time kernel
145s -
max time network
127s -
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 02:07
Static task
static1
Behavioral task
behavioral1
Sample
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
Resource
win10v2004-20240508-en
General
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Target
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
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Size
1009KB
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MD5
72b1dfb60cae17dc577fa43347f69c41
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SHA1
5eeb711eb6ade3532a11443fe10941ab15c47a52
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SHA256
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3
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SHA512
627e70d818922bc93784f977e6111f5ec5e87da5c6053317854be7de78dfe31d73783a36cae61d1b8e3c2a7b8a5108c2a0a2a06d49f56fd5377556e8d19f9e01
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SSDEEP
24576:TAHnh+eWsN3skA4RV1Hom2KXMmHaukON3e7NDR1kt45:eh+ZkldoPK8YauNI7NV1ko
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.gruporequena.com - Port:
587 - Username:
[email protected] - Password:
flandealmendra - 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/4208-11-0x0000000000400000-0x0000000000440000-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/4208-11-0x0000000000400000-0x0000000000440000-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/4208-11-0x0000000000400000-0x0000000000440000-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/4208-11-0x0000000000400000-0x0000000000440000-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/4208-11-0x0000000000400000-0x0000000000440000-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/4208-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 18 api.ipify.org 17 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exedescription pid process target process PID 3616 set thread context of 4208 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3204 3616 WerFault.exe ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 4208 RegSvcs.exe 4208 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exepid process 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4208 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exepid process 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exepid process 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exedescription pid process target process PID 3616 wrote to memory of 4208 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe RegSvcs.exe PID 3616 wrote to memory of 4208 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe RegSvcs.exe PID 3616 wrote to memory of 4208 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe RegSvcs.exe PID 3616 wrote to memory of 4208 3616 ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 6962⤵
- Program crash
PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3616 -ip 36161⤵PID:4976