Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
07/02/2024, 13:26
General
- Target 8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe
- Size 636KB
- Sample240207-qphg7saacj
- SHA256 8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05
Malware Config
Extracted
-
Protocol
smtp
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Host
mail.issltd.org
-
Port
587
-
Username
-
Password
iss123
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.issltd.org
-
Port
587
-
Username
-
Password
iss123
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe"C:\Users\Admin\AppData\Local\Temp\8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hsbFGvCI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hsbFGvCI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDF1.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe"C:\Users\Admin\AppData\Local\Temp\8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe"C:\Users\Admin\AppData\Local\Temp\8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
8fa2e0d127c12e87357d7e9c41b3e71a0e2bd4bda5a1ad9bd6b10fab0f934b05.exe.log
__PSScriptPolicyTest_h1hvobes.sq2.ps1
tmpBDF1.tmp
memory/1280-35-0x0000000005DE0000-0x0000000005E46000-memory.dmp
memory/1280-19-0x0000000005100000-0x0000000005110000-memory.dmp
memory/1280-71-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/1280-68-0x0000000007A60000-0x0000000007A68000-memory.dmp
memory/1280-67-0x0000000007A80000-0x0000000007A9A000-memory.dmp
memory/1280-66-0x0000000007980000-0x0000000007994000-memory.dmp
memory/1280-65-0x0000000007970000-0x000000000797E000-memory.dmp
memory/1280-63-0x0000000007940000-0x0000000007951000-memory.dmp
memory/1280-15-0x0000000002B00000-0x0000000002B36000-memory.dmp
memory/1280-62-0x00000000079C0000-0x0000000007A56000-memory.dmp
memory/1280-17-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/1280-18-0x0000000005100000-0x0000000005110000-memory.dmp
memory/1280-22-0x0000000005740000-0x0000000005D68000-memory.dmp
memory/1280-61-0x00000000077B0000-0x00000000077BA000-memory.dmp
memory/1280-60-0x0000000007740000-0x000000000775A000-memory.dmp
memory/1280-59-0x0000000007D80000-0x00000000083FA000-memory.dmp
memory/1280-29-0x0000000005D70000-0x0000000005DD6000-memory.dmp
memory/1280-46-0x0000000006A00000-0x0000000006A32000-memory.dmp
memory/1280-58-0x0000000007600000-0x00000000076A3000-memory.dmp
memory/1280-41-0x0000000005F50000-0x00000000062A4000-memory.dmp
memory/1280-47-0x00000000705D0000-0x000000007061C000-memory.dmp
memory/1280-45-0x000000007FC20000-0x000000007FC30000-memory.dmp
memory/1280-44-0x0000000005100000-0x0000000005110000-memory.dmp
memory/1280-26-0x0000000005450000-0x0000000005472000-memory.dmp
memory/1280-57-0x00000000069E0000-0x00000000069FE000-memory.dmp
memory/1280-43-0x0000000006480000-0x00000000064CC000-memory.dmp
memory/1280-42-0x0000000006430000-0x000000000644E000-memory.dmp
memory/2348-7-0x00000000077C0000-0x00000000077C8000-memory.dmp
memory/2348-9-0x0000000007830000-0x00000000078AA000-memory.dmp
memory/2348-2-0x0000000004FC0000-0x0000000005564000-memory.dmp
memory/2348-0-0x0000000000010000-0x00000000000B6000-memory.dmp
memory/2348-5-0x0000000004B60000-0x0000000004B6A000-memory.dmp
memory/2348-6-0x0000000007790000-0x00000000077A4000-memory.dmp
memory/2348-28-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/2348-10-0x000000000A060000-0x000000000A0FC000-memory.dmp
memory/2348-1-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/2348-4-0x0000000004BF0000-0x0000000004C00000-memory.dmp
memory/2348-8-0x00000000077D0000-0x00000000077DC000-memory.dmp
memory/2348-21-0x0000000004BF0000-0x0000000004C00000-memory.dmp
memory/2348-16-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/2348-3-0x0000000004AB0000-0x0000000004B42000-memory.dmp
memory/3724-64-0x00000000067F0000-0x0000000006840000-memory.dmp
memory/3724-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3724-27-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/3724-36-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/3724-72-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/3724-73-0x00000000050D0000-0x00000000050E0000-memory.dmp