agenttesla | c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61

General

Target

a6d927ba4a4b0cad4e2f459aef0c4c3d.exe
Size

718KB
MD5

a6d927ba4a4b0cad4e2f459aef0c4c3d
SHA1

74b46e9615014e0e39d809cc469c7a061093210b
SHA256

c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61
SHA512

f7868715d80087cf88af1a452cf5907980d707b8f7c2c0c9d779d95ebee354ce7b7b45c058558f41c3b13f3217ec538399668840c153bcb98a37a36b737740be
SSDEEP

12288:ufeeXfZdfrXg+JwuKt/S/60YbNyq3NzXCvCdMCJmo:ufw+Jwz/S/6BbYYZ5u

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.thereccorp.com
Port:
587
Username:
[email protected]
Password:
O@123456

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thereccorp.com
Port:
587
Username:
[email protected]
Password:
O@123456
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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
12	api.ipify.org
13	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2800	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84
PID 2028 wrote to memory of 2800	2028	a6d927ba4a4b0cad4e2f459aef0c4c3d.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\a6d927ba4a4b0cad4e2f459aef0c4c3d.exe
"C:\Users\Admin\AppData\Local\Temp\a6d927ba4a4b0cad4e2f459aef0c4c3d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2028-133-0x0000000000530000-0x00000000005EA000-memory.dmp

Filesize
744KB

Download
memory/2028-134-0x0000000004FB0000-0x000000000504C000-memory.dmp

Filesize
624KB

Download
memory/2028-135-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/2028-136-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/2028-137-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/2028-138-0x00000000052E0000-0x0000000005356000-memory.dmp

Filesize
472KB

Download
memory/2028-139-0x0000000005110000-0x000000000512E000-memory.dmp

Filesize
120KB

Download
memory/2800-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2800-142-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/2800-143-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/2800-144-0x0000000006F90000-0x0000000006F9A000-memory.dmp

Filesize
40KB

Download
memory/2800-145-0x0000000006FF0000-0x0000000007040000-memory.dmp

Filesize
320KB

Download
memory/2800-146-0x0000000007210000-0x00000000073D2000-memory.dmp

Filesize
1.8MB

Download
memory/2800-153-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads