Analysis
-
max time kernel
117s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe
Resource
win7-20240221-en
General
-
Target
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe
-
Size
705KB
-
MD5
fc225e29dc7fc45a700476e1ec78084f
-
SHA1
29eb09ffdbe967ea1a46c3fd31ff06c26fc3e7c7
-
SHA256
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3
-
SHA512
43881dc9387d302a065d488221f942104ab4ae18551015d029d647112fccf4181cadc8cc46762f7c36d4cbb44ae988714ae7fbc3e066c8ef3d875aef6a84e1d8
-
SSDEEP
12288:BMlKt/rFfaz9XjB1hCpmUthz5dZGGvt+U9NX0HFO2d46wspwm:UKN5iRzBTCUMl6et+qNXSX46wspX
Malware Config
Extracted
Protocol: smtp- Host:
mail.appar.cam - Port:
587 - Username:
[email protected] - Password:
=wEIfelBf=J7
Extracted
agenttesla
Protocol: smtp- Host:
mail.appar.cam - Port:
587 - Username:
[email protected] - Password:
=wEIfelBf=J7 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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.
Processes:
powershell.exepowershell.exepid Process 4772 powershell.exe 2352 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exedescription pid Process procid_target PID 2096 set thread context of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 -
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 6 IoCs
Processes:
powershell.exepowershell.exeac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exepid Process 2352 powershell.exe 4772 powershell.exe 4068 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 4068 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 4772 powershell.exe 2352 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exedescription pid Process Token: SeDebugPrivilege 4772 powershell.exe Token: SeDebugPrivilege 2352 powershell.exe Token: SeDebugPrivilege 4068 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exepid Process 4068 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exedescription pid Process procid_target PID 2096 wrote to memory of 4772 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 91 PID 2096 wrote to memory of 4772 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 91 PID 2096 wrote to memory of 4772 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 91 PID 2096 wrote to memory of 2352 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 93 PID 2096 wrote to memory of 2352 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 93 PID 2096 wrote to memory of 2352 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 93 PID 2096 wrote to memory of 5052 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 95 PID 2096 wrote to memory of 5052 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 95 PID 2096 wrote to memory of 5052 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 95 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97 PID 2096 wrote to memory of 4068 2096 ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2096 -
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\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4772
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aycJWvDvs.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2352
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aycJWvDvs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64B5.tmp"2⤵
- Creates scheduled task(s)
PID:5052
-
-
C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"C:\Users\Admin\AppData\Local\Temp\ac257a5301ed129abca81bbb10ad8cce2d3d46663459d46ebbb54f0b30d3ace3.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4068
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD53c65280ac0a22655138ad204d01babbd
SHA16903705f4dae1eea8ee68822ab55ba26ddd161f6
SHA256fc226cfb1598da3661873d53a37b5410ed6a42a5919b249b5924113545efdc46
SHA512fbe095a20758d282dda872f30b2d6bc3d0b70140b19873609a407a836c74632ab316faeea6b8603f14a6b06b6941b2ac0fff5475c150cbfb87d8a03b398036ee