agenttesla | 7e3966bc5a01dce22464c4e379bf855f4c8b6d531691306151e170f9e82a5c28

Analysis

max time kernel
72s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
17/11/2022, 12:16

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General

Target
obizx.exe
Size 694KB
Sample221117-pff3caad4t
SHA256 7e3966bc5a01dce22464c4e379bf855f4c8b6d531691306151e170f9e82a5c28
MD5 a70034756fa88a0cdae13b6d55a34065
SHA1 3ffbbe57f1f6c7d6adbb8c7a86efc021a027697b
SHA512 d7d9adca5062977a5d3458fae49e70dc0170241cdf0340d28b79578593df72ed87c4adc86829951004af27a9b5725ba044f9df658e3924c9ccebb6c05e6374a3
SSDEEP 12288:3RtzEF9A9G2G1HgfFyJ6pH2KgXg610io/U/5s5BrcjZnbCkI:7zEYUAf4M0RCs/5ZjZnbCkI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.tac.com.my
Port
587
Username
[email protected]
Password
Bryanlee838
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obizx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obizx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obizx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 4188	2144	obizx.exe	86

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4188	obizx.exe
4188	obizx.exe
4188	obizx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	obizx.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4188	obizx.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86
PID 2144 wrote to memory of 4188	2144	obizx.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obizx.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obizx.exe

C:\Users\Admin\AppData\Local\Temp\obizx.exe
"C:\Users\Admin\AppData\Local\Temp\obizx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\obizx.exe
  "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2144-132-0x00000000009F0000-0x0000000000AA4000-memory.dmp

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memory/2144-133-0x0000000005A80000-0x0000000006024000-memory.dmp

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memory/2144-134-0x00000000054D0000-0x0000000005562000-memory.dmp

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memory/2144-135-0x0000000005440000-0x000000000544A000-memory.dmp

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memory/2144-136-0x0000000007AB0000-0x0000000007B4C000-memory.dmp

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memory/4188-138-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4188-139-0x0000000005C30000-0x0000000005C96000-memory.dmp

Download

memory/4188-140-0x0000000005F30000-0x0000000005F80000-memory.dmp

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