Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 02:25
Static task
static1
Behavioral task
behavioral1
Sample
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe
Resource
win10v2004-20240426-en
General
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Target
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe
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Size
1015KB
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MD5
b3d8677a4bc5a507cdd7614fe99390b2
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SHA1
677c75a7542312002b21d28860a5c9eedcdbdf19
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SHA256
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668
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SHA512
2a3af812775eb5dd134e7e129f049205a4a63e750882f6e554bb4e1b3d2fc1a8125e3575a3583c7c1989d3a039bd1757e01085d5bf3d3bfc2fa839d84681fc67
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SSDEEP
24576:EAHnh+eWsN3skA4RV1Hom2KXMmHaImXD/Tbs15:Th+ZkldoPK8YaImi
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fosna.net - Port:
21 - Username:
[email protected] - Password:
u;4z3V.Iir1l
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/3084-11-0x0000000000420000-0x0000000000462000-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/3084-11-0x0000000000420000-0x0000000000462000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3084-11-0x0000000000420000-0x0000000000462000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3084-11-0x0000000000420000-0x0000000000462000-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/3084-11-0x0000000000420000-0x0000000000462000-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/3084-11-0x0000000000420000-0x0000000000462000-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/3084-11-0x0000000000420000-0x0000000000462000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 12 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exedescription pid process target process PID 3608 set thread context of 3084 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 3084 RegSvcs.exe 3084 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exepid process 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 3084 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exepid process 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exepid process 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exedescription pid process target process PID 3608 wrote to memory of 3084 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe RegSvcs.exe PID 3608 wrote to memory of 3084 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe RegSvcs.exe PID 3608 wrote to memory of 3084 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe RegSvcs.exe PID 3608 wrote to memory of 3084 3608 ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe"C:\Users\Admin\AppData\Local\Temp\ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3084