Analysis
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max time kernel
148s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 02:45
Static task
static1
Behavioral task
behavioral1
Sample
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
Resource
win10v2004-20240226-en
General
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Target
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
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Size
645KB
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MD5
949ebdc21945246ac2ad1fc10802f102
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SHA1
6e1a52f3dfd76fb2f233ce96dc0404678d2d0059
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SHA256
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c
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SHA512
479e9493102fdbd163a8aac0c5dce421a0290956d1f08df3fac00d258d593821ac3a279f8b9e93d8b7d321a6645205426b744a4ddecd4634572d84b9e444ba99
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SSDEEP
12288:JS4CMwbmLrlIz+jo3sbGwUuveksc4RojOUiPmW1/uXZZTrtdiA3HqoQc1ay7:JSOrW93sbGkWc4ajzTZZCA3qoQ
Malware Config
Extracted
Protocol: smtp- Host:
smtp.flying-fish-cn.com - Port:
587 - Username:
[email protected] - Password:
hkk999@@@
Extracted
agenttesla
Protocol: smtp- Host:
smtp.flying-fish-cn.com - Port:
587 - Username:
[email protected] - Password:
hkk999@@@ - 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/3160-12-0x0000000000400000-0x0000000000440000-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/3160-12-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2396-7-0x0000000004DC0000-0x0000000004DCC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3160-12-0x0000000000400000-0x0000000000440000-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/3160-12-0x0000000000400000-0x0000000000440000-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/3160-12-0x0000000000400000-0x0000000000440000-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/3160-12-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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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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 41 api.ipify.org 42 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exedescription pid process target process PID 2396 set thread context of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exef6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exepid process 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 3160 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe 3160 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exef6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exedescription pid process Token: SeDebugPrivilege 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe Token: SeDebugPrivilege 3160 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exedescription pid process target process PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe PID 2396 wrote to memory of 3160 2396 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2396-10-0x00000000749C0000-0x0000000075170000-memory.dmpFilesize
7.7MB
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memory/2396-17-0x00000000749C0000-0x0000000075170000-memory.dmpFilesize
7.7MB
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memory/2396-2-0x00000000051F0000-0x0000000005794000-memory.dmpFilesize
5.6MB
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memory/2396-3-0x0000000004B10000-0x0000000004BA2000-memory.dmpFilesize
584KB
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memory/2396-4-0x0000000004D80000-0x0000000004D90000-memory.dmpFilesize
64KB
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memory/2396-5-0x0000000004BC0000-0x0000000004BCA000-memory.dmpFilesize
40KB
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memory/2396-6-0x0000000004D70000-0x0000000004D82000-memory.dmpFilesize
72KB
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memory/2396-0-0x0000000000070000-0x0000000000118000-memory.dmpFilesize
672KB
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memory/2396-8-0x0000000006320000-0x00000000063A2000-memory.dmpFilesize
520KB
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memory/2396-1-0x00000000749C0000-0x0000000075170000-memory.dmpFilesize
7.7MB
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memory/2396-7-0x0000000004DC0000-0x0000000004DCC000-memory.dmpFilesize
48KB
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memory/2396-11-0x0000000004D80000-0x0000000004D90000-memory.dmpFilesize
64KB
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memory/2396-9-0x0000000007780000-0x000000000781C000-memory.dmpFilesize
624KB
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memory/3160-18-0x0000000006750000-0x00000000067A0000-memory.dmpFilesize
320KB
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memory/3160-15-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB
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memory/3160-16-0x0000000005210000-0x0000000005276000-memory.dmpFilesize
408KB
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memory/3160-14-0x00000000749C0000-0x0000000075170000-memory.dmpFilesize
7.7MB
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memory/3160-12-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/3160-19-0x00000000749C0000-0x0000000075170000-memory.dmpFilesize
7.7MB
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memory/3160-20-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB