Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30-04-2024 01:17
Static task
static1
Behavioral task
behavioral1
Sample
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe
Resource
win10v2004-20240426-en
General
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Target
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe
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Size
695KB
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MD5
eb0a8ca9351d89d49548bc4060db555b
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SHA1
32dd5b42cc297a15a97b40a3b06a1842d52466a7
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SHA256
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb
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SHA512
61f305a81a88468864033ff6029a42f40e051c3168a9985babc6e69408414cfc0c822287cfdbb026ad985fefe39b485e44391ad7689195588cbbc5a50a8d8d22
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SSDEEP
12288:o+DbgSB778Qe/FsDEhr/S+dCQGXErlP7lo3JwdTOg5nACS5YOnm3xG1nEniA:JgSBYdCkllWuUp/n2EnEniA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - 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. 5 IoCs
Processes:
resource yara_rule behavioral1/memory/328-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/328-28-0x0000000000400000-0x0000000000442000-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/328-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/328-28-0x0000000000400000-0x0000000000442000-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/328-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/328-28-0x0000000000400000-0x0000000000442000-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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/328-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/328-28-0x0000000000400000-0x0000000000442000-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/328-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/328-28-0x0000000000400000-0x0000000000442000-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/328-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/328-28-0x0000000000400000-0x0000000000442000-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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe -
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:
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exedescription pid process target process PID 2012 set thread context of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exepowershell.exepowershell.exepid process 328 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 328 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 2608 powershell.exe 2524 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 328 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exepid process 328 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exedescription pid process target process PID 2012 wrote to memory of 2524 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2524 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2524 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2524 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2608 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2608 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2608 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2608 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe powershell.exe PID 2012 wrote to memory of 2512 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe schtasks.exe PID 2012 wrote to memory of 2512 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe schtasks.exe PID 2012 wrote to memory of 2512 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe schtasks.exe PID 2012 wrote to memory of 2512 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe schtasks.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe PID 2012 wrote to memory of 328 2012 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe 433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe"C:\Users\Admin\AppData\Local\Temp\433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TrQrGQkCIJJZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrQrGQkCIJJZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EDB.tmp"2⤵
- Creates scheduled task(s)
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe"C:\Users\Admin\AppData\Local\Temp\433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:328
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4EDB.tmpFilesize
1KB
MD5bdca6776ae633beca423edb961b2b45c
SHA16ca55ffef63ed8485b80f2b8089c1a96e657aa41
SHA256a4087b3bed505187c105937e0faf59020d114c53221cfc7c8bc213287055c09e
SHA51258b046ceae12baf70469f1595e6685cb8a66cc41761dabe08b2b166004b93064e581cc239780e2cf0aa7daf45dbe714cf380a0154771e66a6d064ed3a92b8161
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD53c8f545e9adba3eeae10003b41290320
SHA13e52312217b1f4a60e587622f6a70090425404de
SHA2562d7beb4d88cf59f62002afb73a6d313da5f023e3e6cde664d3a27ca8ba3d6fad
SHA512e3b66fcd52fba0fe732a5f54a50df756cffdcd1d4bca191b3c18f05dede6a1fa8041d6f8e7e5936972855d1bcede73150ede0610a94a7a7f8039cada229b25b2
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memory/328-25-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/328-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/328-21-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/328-28-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/328-29-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/328-23-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/328-30-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/328-19-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2012-6-0x0000000004AB0000-0x0000000004B34000-memory.dmpFilesize
528KB
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memory/2012-1-0x0000000074CD0000-0x00000000753BE000-memory.dmpFilesize
6.9MB
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memory/2012-0-0x0000000001090000-0x0000000001144000-memory.dmpFilesize
720KB
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memory/2012-2-0x0000000005030000-0x0000000005070000-memory.dmpFilesize
256KB
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memory/2012-3-0x0000000000590000-0x00000000005A8000-memory.dmpFilesize
96KB
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memory/2012-5-0x0000000000650000-0x0000000000666000-memory.dmpFilesize
88KB
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memory/2012-4-0x0000000000600000-0x000000000060E000-memory.dmpFilesize
56KB
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memory/2012-31-0x0000000074CD0000-0x00000000753BE000-memory.dmpFilesize
6.9MB