agenttesla | f4a0b96ac60450021cf3dd030d05b3a8a9f2a7c586b376d09f4988938093773f

General

Target

IMG_7001_8072pdf.exe
Size

292KB
MD5

50b81721effc6c7e08a3c734a6d526cf
SHA1

7728a4eaeaf058bd0df79a63b1137a8a428c7e20
SHA256

f4a0b96ac60450021cf3dd030d05b3a8a9f2a7c586b376d09f4988938093773f
SHA512

a46026a676c2cc9e3a51d799ecca815ab09c01d89e7618323cb3dee0c3bb60b1830873b356254babe92f24d8ae0de5810f284d0307c4bb46f4241c508cc988c4
SSDEEP

6144:dDxhk+LJwJxtKruju+JJJL8DrGb4LZ8qzT+JTl9:drFLyxtwSxJv8DfZ8qzTO

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
logxtai.shop
Port:
587
Username:
[email protected]
Password:
M9Z}uk]!yhoU
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	IMG_7001_8072pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG_7001_8072pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG_7001_8072pdf.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
18	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 1276	2440	IMG_7001_8072pdf.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1276	IMG_7001_8072pdf.exe
1276	IMG_7001_8072pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	IMG_7001_8072pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.exe	83
PID 2440 wrote to memory of 1276	2440	IMG_7001_8072pdf.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	IMG_7001_8072pdf.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	IMG_7001_8072pdf.exe

C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1276

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IMG_7001_8072pdf.exe.log

Filesize
886B

MD5
1de4321733072682805c444f3c647acd

SHA1
e6f685512dd9334eba7d8c566eeacb668f3da17d

SHA256
dc7dbd177ff59eff8d07c56e48df3dbdd8ca4699023e4c03811061fb9ea73cad

SHA512
162a01f77533daab9148c84e957041f86af47f03d983d7cf400bca19396e8a799609d67835c2bee8a0e9e54c7a9ccbe8a51044aeefbd3d24d57f9f09be90c7ff

Download Submit
memory/1276-148-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/1276-147-0x0000000006AF0000-0x0000000006AFA000-memory.dmp

Filesize
40KB

Download
memory/1276-146-0x0000000006CA0000-0x0000000006E62000-memory.dmp

Filesize
1.8MB

Download
memory/1276-145-0x0000000006A80000-0x0000000006AD0000-memory.dmp

Filesize
320KB

Download
memory/1276-144-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/1276-143-0x00000000052F0000-0x0000000005356000-memory.dmp

Filesize
408KB

Download
memory/1276-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2440-136-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/2440-139-0x0000000004FD0000-0x0000000004FEE000-memory.dmp

Filesize
120KB

Download
memory/2440-138-0x00000000050C0000-0x0000000005136000-memory.dmp

Filesize
472KB

Download
memory/2440-137-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/2440-133-0x00000000004A0000-0x00000000004F0000-memory.dmp

Filesize
320KB

Download
memory/2440-135-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/2440-134-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download

Analysis

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