Analysis
- max time kernel
144s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
19/11/2022, 07:18
Static task
static1
Behavioral task
behavioral1
Sample
4b4f3d0dc0ed69467f74bb73b9584bab.exe
Resource
win7-20221111-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
4b4f3d0dc0ed69467f74bb73b9584bab.exe
Resource
win10v2004-20221111-en
12 signatures
150 seconds
General
- Target 4b4f3d0dc0ed69467f74bb73b9584bab.exe
- Size 951KB
- Sample221119-h4x77sec4v
- SHA256 f4d59861c5958a965d053cc69935c4a1bc80fe2bbc4e6467212d4063e486c049
- MD5 4b4f3d0dc0ed69467f74bb73b9584bab
- SHA1 e5ae5f1322305ce6c62d4b3204c45cf9ddd60818
- SHA512 a78cc4112d921ade5121595d2be3dc7dbecb7411dede25b5d5ad9637858bda71b71216d77ba50ef96eefc32adc9b6e5122c03dccbb4af9e942e29eff773a5370
- SSDEEP 24576:ZpjZnbCkIQBnG30YCoOj+dAKJllHu8+Md0uD7bBRelk3Z3jt:ZpjZnbCkIQBn+9IqRBnbvDqmB
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.tac.com.my
-
Port
587
-
Username
-
Password
Bryanlee838
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b4f3d0dc0ed69467f74bb73b9584bab.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b4f3d0dc0ed69467f74bb73b9584bab.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b4f3d0dc0ed69467f74bb73b9584bab.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1408 set thread context of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4324 4b4f3d0dc0ed69467f74bb73b9584bab.exe 4324 4b4f3d0dc0ed69467f74bb73b9584bab.exe 4324 4b4f3d0dc0ed69467f74bb73b9584bab.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4324 4b4f3d0dc0ed69467f74bb73b9584bab.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4324 4b4f3d0dc0ed69467f74bb73b9584bab.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 PID 1408 wrote to memory of 4324 1408 4b4f3d0dc0ed69467f74bb73b9584bab.exe 86 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b4f3d0dc0ed69467f74bb73b9584bab.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b4f3d0dc0ed69467f74bb73b9584bab.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4324
-