Analysis
-
max time kernel
118s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
25-01-2025 01:28
Static task
static1
Behavioral task
behavioral1
Sample
payment_slip.exe
Resource
win7-20240729-en
General
-
Target
payment_slip.exe
-
Size
743KB
-
MD5
b2e13b5a8173ef717d056a348001e4cc
-
SHA1
ebd6d6d14aaaaf47cb891406b834d5505e088271
-
SHA256
139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924
-
SHA512
ec8fecc4f545980209fd4a81187ff3cbec224ddf568bf007dba99b86daf4d48b1538e8fcc13ccb85b6e1000ecfcc7e25c6a92c17fa50dcb53da41784d181d91e
-
SSDEEP
12288:iDCu7+JNLLzmHjR/Qw1iO116TWWaQjqF0UKWx2l+g05MjFvP990MeU4KBomWf:z/JlLKDRQwt4abQGF9xs+g0uFvwUlGmE
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.magnatextile.com - Port:
587 - Username:
[email protected] - Password:
ow%{&}mti{&}$is - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Agenttesla family
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2692 powershell.exe 2908 powershell.exe -
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 3 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.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2112 set thread context of 2844 2112 payment_slip.exe 37 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language payment_slip.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language payment_slip.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3028 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2112 payment_slip.exe 2112 payment_slip.exe 2112 payment_slip.exe 2844 payment_slip.exe 2844 payment_slip.exe 2908 powershell.exe 2692 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2112 payment_slip.exe Token: SeDebugPrivilege 2844 payment_slip.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2692 2112 payment_slip.exe 31 PID 2112 wrote to memory of 2692 2112 payment_slip.exe 31 PID 2112 wrote to memory of 2692 2112 payment_slip.exe 31 PID 2112 wrote to memory of 2692 2112 payment_slip.exe 31 PID 2112 wrote to memory of 2908 2112 payment_slip.exe 33 PID 2112 wrote to memory of 2908 2112 payment_slip.exe 33 PID 2112 wrote to memory of 2908 2112 payment_slip.exe 33 PID 2112 wrote to memory of 2908 2112 payment_slip.exe 33 PID 2112 wrote to memory of 3028 2112 payment_slip.exe 34 PID 2112 wrote to memory of 3028 2112 payment_slip.exe 34 PID 2112 wrote to memory of 3028 2112 payment_slip.exe 34 PID 2112 wrote to memory of 3028 2112 payment_slip.exe 34 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37 PID 2112 wrote to memory of 2844 2112 payment_slip.exe 37
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment_slip.exe"C:\Users\Admin\AppData\Local\Temp\payment_slip.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112 -
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\payment_slip.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xprNhn.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xprNhn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFFA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3028
-
-
C:\Users\Admin\AppData\Local\Temp\payment_slip.exe"C:\Users\Admin\AppData\Local\Temp\payment_slip.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2844
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD594c54b0ed9c2b51684dd7003133776ee
SHA133bc623dfcf1e8f8f06c5fe181776a1bc9720c92
SHA25600863f169279a8b1a3eac34fff3a5d15171fde7d5a14757dff91cbbfbf273a36
SHA512f7fe961bbdf0df60a7beeb0bf5a661eff16c15b5b5141a10be98ef9dc5d22f1cf3a2ea105cee04e23e8d1e99c4cfe611902d0318dc761f6259f5acc4c8104cd3
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YDZ91378FW4P430XC12N.temp
Filesize7KB
MD5ba7571999a25a2123374260b556c9ff8
SHA11e8e1a07b2b2f8233b816ffb5a0e41f573cabbbd
SHA256ad048b6c4af8d833cacfc46f241bdd449f1c770c1abbf9431a1e874ecd7ea211
SHA512da009b370d3b752718ba4b83bb1ddde48fe69d71be5fec0f8809efd2f9f60d00c46145a0cd5c7f0bf73f3d778068c191778c0656088c19e95a86a892273a5d11