agenttesla | a168419d23971aa18f193230e08bfd74a1687e490eeeebae5fabd4a6dcdf0793

General

Target

purchase order.exe
Size

687KB
MD5

bd8956a202a197e22148fae79c98e967
SHA1

22b02b9a316418eebbaca4bf5461660933fee5d3
SHA256

48344ddf6064b91600662af7a6b0c9d66b4ed354bd50839c360c21d62d49e63b
SHA512

0b70292c4fa26061f7ce06311aea02693dbc3b530c96862224848f45f5dfe70400b5eb72c62445851b9e994af20a3577ed92ac19cf1db4ca27bafb09f6e2c35d
SSDEEP

12288:ZZboCUhRcOJ5clu6ZRNL09JXgT8zQM95bgGvpZ2cVTt2M5osEITPcOr:PZ5yoZ/L6iT8kDu/22Z2ILTPc

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.methobsindia.com
Port:
587
Username:
[email protected]
Password:
blessing2023##
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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.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
19	api.ipify.org
20	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3772 set thread context of 2652	3772	purchase order.exe	86

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2652	purchase order.exe
2652	purchase order.exe
2652	purchase order.exe
2652	purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	purchase order.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86
PID 3772 wrote to memory of 2652	3772	purchase order.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Users\Admin\AppData\Local\Temp\purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-17-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/2652-16-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2652-15-0x0000000006F30000-0x0000000006F80000-memory.dmp

Filesize
320KB

Download
memory/2652-14-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/2652-12-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/2652-11-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-8-0x0000000005CE0000-0x0000000005CF0000-memory.dmp

Filesize
64KB

Download
memory/3772-1-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-7-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-6-0x0000000005D90000-0x0000000005E2C000-memory.dmp

Filesize
624KB

Download
memory/3772-5-0x0000000005B10000-0x0000000005B1A000-memory.dmp

Filesize
40KB

Download
memory/3772-13-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-4-0x0000000005CE0000-0x0000000005CF0000-memory.dmp

Filesize
64KB

Download
memory/3772-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

Filesize
584KB

Download
memory/3772-2-0x0000000006150000-0x00000000066F4000-memory.dmp

Filesize
5.6MB

Download
memory/3772-0-0x0000000000FE0000-0x0000000001090000-memory.dmp

Filesize
704KB

Download

Analysis

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