Analysis
- max time kernel
141s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
12/05/2022, 08:53
Static task
static1
Behavioral task
behavioral1
Sample
TELEX BI 14226INS00075.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
TELEX BI 14226INS00075.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target TELEX BI 14226INS00075.exe
- Size 546KB
- Sample220512-ktap9seecr
- SHA256 9c18f7c761ef5854d1b3dd4b3176db9def2bd4b324f15aeffe4e995a1c6d5d79
- MD5 62ae2974d01fd8439ec141a63fc423f8
- SHA1 bf5f6b6dec25c9d9be3d4dc125f6ce539c5c38e9
- SHA512 bd0d57cd03af81e2fd3ab5b0ac8082472b16ab6eef1ee2cee59d3dafa357e53541b7153cb85786c152a3b670f5926d9124a808c1f0f8b8a2a912c1d3081e1f17
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.topfrozenfoodbrand.com
-
Port
587
-
Username
-
Password
Everest10purch
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.topfrozenfoodbrand.com
-
Port
587
-
Username
-
Password
Everest10purch
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts TELEX BI 14226INS00075.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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TELEX BI 14226INS00075.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TELEX BI 14226INS00075.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TELEX BI 14226INS00075.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2136 set thread context of 5028 2136 TELEX BI 14226INS00075.exe 91 - Program crash 1 IoCs
pid pid_target Process procid_target 2300 5028 WerFault.exe 91 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5028 TELEX BI 14226INS00075.exe 5028 TELEX BI 14226INS00075.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5028 TELEX BI 14226INS00075.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 PID 2136 wrote to memory of 5028 2136 TELEX BI 14226INS00075.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TELEX BI 14226INS00075.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TELEX BI 14226INS00075.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\TELEX BI 14226INS00075.exe"C:\Users\Admin\AppData\Local\Temp\TELEX BI 14226INS00075.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\TELEX BI 14226INS00075.exe"C:\Users\Admin\AppData\Local\Temp\TELEX BI 14226INS00075.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5028 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 19323⤵
- Program crash
PID:2300
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5028 -ip 50281⤵PID:3800