Analysis
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max time kernel
137s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2023 13:07
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order_13102023.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Purchase Order_13102023.exe
Resource
win10v2004-20230915-en
General
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Target
Purchase Order_13102023.exe
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Size
523KB
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MD5
b5a70147c823327681c942174403ee66
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SHA1
855905c7cdffd746a9ce9866bb50a92afd3e79b8
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SHA256
b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
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SHA512
c8c49aa51326a513aa3d19fefea33987840c845f800d1ac575414b36b93bd9f8beb5f8110fefbf2c0e6b4527d0342b68fc47de883d68050b0d58c6c393bacabb
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SSDEEP
12288:HhsDwXRze8VYS94Goso7GerOpDfN4jQk8l7fdict:6gzexS9aOf0Y7Vict
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dynamicconsultinglogistics.ma - Port:
587 - Username:
[email protected] - Password:
Laanaya@2022 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Purchase Order_13102023.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation Purchase Order_13102023.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KLgJsl = "C:\\Users\\Admin\\AppData\\Roaming\\KLgJsl\\KLgJsl.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order_13102023.exedescription pid process target process PID 3476 set thread context of 4428 3476 Purchase Order_13102023.exe RegSvcs.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 3 IoCs
Processes:
Purchase Order_13102023.exeRegSvcs.exepid process 3476 Purchase Order_13102023.exe 4428 RegSvcs.exe 4428 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Purchase Order_13102023.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3476 Purchase Order_13102023.exe Token: SeDebugPrivilege 4428 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Purchase Order_13102023.exedescription pid process target process PID 3476 wrote to memory of 4068 3476 Purchase Order_13102023.exe schtasks.exe PID 3476 wrote to memory of 4068 3476 Purchase Order_13102023.exe schtasks.exe PID 3476 wrote to memory of 4068 3476 Purchase Order_13102023.exe schtasks.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe PID 3476 wrote to memory of 4428 3476 Purchase Order_13102023.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order_13102023.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order_13102023.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\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BNrDYUo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp356E.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp356E.tmpFilesize
1KB
MD55c597761298fd54b5bc93793c33f7d49
SHA185caec566019621eb9bc9f4d671e4fdfcdd7cc6d
SHA256cadf0c9967f945679bf28e74b162cd44e66eddab4bf1e66bc28c4bce7d07e3e7
SHA5120e4cfbd54a693379eecff6356ab5a43583f681ed781319d8766938f6148d53c7281aa0da951358840cbae1d1391bc39631d1c085d3911ab789d3bd35b5586203
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memory/3476-10-0x0000000004E90000-0x0000000004EA0000-memory.dmpFilesize
64KB
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memory/3476-5-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/3476-11-0x0000000005BD0000-0x0000000005C4C000-memory.dmpFilesize
496KB
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memory/3476-1-0x00000000001D0000-0x0000000000258000-memory.dmpFilesize
544KB
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memory/3476-12-0x00000000059C0000-0x0000000005A02000-memory.dmpFilesize
264KB
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memory/3476-6-0x0000000004E90000-0x0000000004EA0000-memory.dmpFilesize
64KB
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memory/3476-7-0x0000000004DE0000-0x0000000004DEA000-memory.dmpFilesize
40KB
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memory/3476-8-0x0000000005190000-0x00000000051E6000-memory.dmpFilesize
344KB
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memory/3476-9-0x0000000004E20000-0x0000000004E2C000-memory.dmpFilesize
48KB
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memory/3476-0-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/3476-3-0x00000000052D0000-0x0000000005874000-memory.dmpFilesize
5.6MB
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memory/3476-2-0x0000000004BD0000-0x0000000004C6C000-memory.dmpFilesize
624KB
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memory/3476-4-0x0000000004D20000-0x0000000004DB2000-memory.dmpFilesize
584KB
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memory/3476-20-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/4428-18-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/4428-19-0x0000000005930000-0x0000000005940000-memory.dmpFilesize
64KB
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memory/4428-16-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4428-21-0x0000000005880000-0x00000000058E6000-memory.dmpFilesize
408KB
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memory/4428-23-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/4428-24-0x0000000005930000-0x0000000005940000-memory.dmpFilesize
64KB
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memory/4428-25-0x0000000006620000-0x0000000006670000-memory.dmpFilesize
320KB