agenttesla | f0780d7b9429fa447e236f54a251c13a36ee10acc9b2c8294aa1e72690ef2dfb

General

Target

c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.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\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
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

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
14	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1500	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83
PID 628 wrote to memory of 1500	628	c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe	83

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\c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe
"C:\Users\Admin\AppData\Local\Temp\c6d17684d5779f287df9ff7e53f95f5dc8ef24a7725d5ba1b60ce17ff1157e61.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:628
- 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:1500

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/628-133-0x0000000000920000-0x00000000009DA000-memory.dmp

Filesize
744KB

Download
memory/628-134-0x0000000005350000-0x00000000053EC000-memory.dmp

Filesize
624KB

Download
memory/628-135-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/628-136-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/628-137-0x0000000005540000-0x0000000005550000-memory.dmp

Filesize
64KB

Download
memory/628-138-0x00000000055F0000-0x0000000005666000-memory.dmp

Filesize
472KB

Download
memory/628-139-0x00000000054F0000-0x000000000550E000-memory.dmp

Filesize
120KB

Download
memory/1500-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1500-142-0x0000000004CE0000-0x0000000004D46000-memory.dmp

Filesize
408KB

Download
memory/1500-143-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/1500-144-0x00000000066B0000-0x00000000066BA000-memory.dmp

Filesize
40KB

Download
memory/1500-145-0x0000000006730000-0x0000000006780000-memory.dmp

Filesize
320KB

Download
memory/1500-146-0x0000000006950000-0x0000000006B12000-memory.dmp

Filesize
1.8MB

Download
memory/1500-153-0x0000000004FB0000-0x0000000004FC0000-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