Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
30-04-2024 01:26
Static task
static1
Behavioral task
behavioral1
Sample
658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe
Resource
win10v2004-20240426-en
General
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Target
658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe
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Size
346KB
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MD5
8285969a996e16a008659a595bb1634d
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SHA1
c5e4199ae23667c3b8da14ca098ee83d66c63712
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SHA256
658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357
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SHA512
007112412e771ebb4ebb51a2d143f3845163e8c6ef9f5b7b2fa0eef02acfdd587efaefa0623ee34eb8d3c8e14fea1548f9be66ac09e466ed2676267c6305d3b8
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SSDEEP
6144:+uftnqZwmqkad+Po17BcCzyWswco1cWAL5lU+lfVJUfs+/42emV:XtBkad+PaVcCzhObjnlfVJrSUm
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7120748756:AAFZ1rNHWvZ2WKxfHU3qxCCnCA0rgvXj0Ts/
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. 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2692-16-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2692-16-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2692-16-0x0000000000400000-0x0000000000444000-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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2692-16-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2692-16-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2692-16-0x0000000000400000-0x0000000000444000-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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exedescription pid process target process PID 2500 set thread context of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Powershell.exeRegAsm.exepid process 2172 Powershell.exe 2692 RegAsm.exe 2692 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Powershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 2172 Powershell.exe Token: SeDebugPrivilege 2692 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 2692 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exedescription pid process target process PID 2500 wrote to memory of 2172 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe Powershell.exe PID 2500 wrote to memory of 2172 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe Powershell.exe PID 2500 wrote to memory of 2172 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe Powershell.exe PID 2500 wrote to memory of 2172 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe Powershell.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe PID 2500 wrote to memory of 2692 2500 658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe"C:\Users\Admin\AppData\Local\Temp\658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\658abcd36d5aa52165f23d52cea9ebe5825ce94009a008b5631e42f40a1ca357.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2172-10-0x000000006F380000-0x000000006F92B000-memory.dmpFilesize
5.7MB
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memory/2172-7-0x0000000002AD0000-0x0000000002B10000-memory.dmpFilesize
256KB
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memory/2172-9-0x0000000002AD0000-0x0000000002B10000-memory.dmpFilesize
256KB
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memory/2172-8-0x000000006F380000-0x000000006F92B000-memory.dmpFilesize
5.7MB
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memory/2172-6-0x000000006F380000-0x000000006F92B000-memory.dmpFilesize
5.7MB
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memory/2500-27-0x00000000742D0000-0x00000000749BE000-memory.dmpFilesize
6.9MB
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memory/2500-3-0x0000000000D80000-0x0000000000DD8000-memory.dmpFilesize
352KB
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memory/2500-0-0x0000000001090000-0x00000000010EC000-memory.dmpFilesize
368KB
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memory/2500-2-0x0000000001010000-0x0000000001050000-memory.dmpFilesize
256KB
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memory/2500-1-0x00000000742D0000-0x00000000749BE000-memory.dmpFilesize
6.9MB
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memory/2500-11-0x0000000000460000-0x000000000046A000-memory.dmpFilesize
40KB
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memory/2692-26-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2692-12-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2692-24-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2692-22-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2692-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2692-16-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2692-14-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2692-18-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB