Analysis
-
max time kernel
109s -
max time network
2s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2022, 08:00
Static task
static1
Behavioral task
behavioral1
Sample
PO-20945321002 & PO-20945321004.exe
Resource
win7-20220812-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO-20945321002 & PO-20945321004.exe
Resource
win10v2004-20220812-en
9 signatures
150 seconds
General
-
Target
PO-20945321002 & PO-20945321004.exe
-
Size
209KB
-
MD5
1148c85897a1e993f4eb0f08be37ec0b
-
SHA1
fc6cd75c16babd85ff8df1b4e0fa5edd361758e8
-
SHA256
b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af
-
SHA512
5e191cd8bda0d9944771fd17f6dd90f3ad18d1b137ae11fd061562820642f5a9fc0006f3e1ebfba3a1856ef5cce7bfdf609310d2486fb5bb98a38ffbdb075488
-
SSDEEP
6144:U0M9XCwEB3fGQZjtrjYqZjZ3aTItQYFQwjgTG:U0MlCwEB3+gjtXYs93aYMa
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
smtp.obynnehhhan.com - Port:
587 - Username:
[email protected] - Password:
G$MUuYG3
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/4832-134-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4904 set thread context of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4832 cvtres.exe 4832 cvtres.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4832 cvtres.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 PID 4904 wrote to memory of 4832 4904 PO-20945321002 & PO-20945321004.exe 75 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cvtres.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-20945321002 & PO-20945321004.exe"C:\Users\Admin\AppData\Local\Temp\PO-20945321002 & PO-20945321004.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4832
-