agenttesla | 95f994f1cbe8e74ce5c1849210f8dfa6f15d2f2e45e2c12a637c06b946c1f839

General

Target

03Dc2MIz.exe
Size

687KB
MD5

df7edc4231b357eb836746d344fccd0b
SHA1

dba0f13f998f6c93d43dfd1c4b5605b551c0d8b9
SHA256

95f994f1cbe8e74ce5c1849210f8dfa6f15d2f2e45e2c12a637c06b946c1f839
SHA512

a73133837ec5929e2cdcf814cf75c26648d3f65c9f709daef034efff85e4190e11b4277d25de806a89e5c782f60ad0b516c23266a767f60f6e5e9e6460d40d36
SSDEEP

12288:psA1gsj/aP5gypEhJ0zSGuE3MaOv32/A++xX0XFjEVhG75:psygG/saypEv8SNWMaOfWA++xkVjCy5

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://valvulasthermovalve.cl
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!!

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-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03Dc2MIz.exe
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03Dc2MIz.exe
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03Dc2MIz.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1540 set thread context of 2760	1540	03Dc2MIz.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	03Dc2MIz.exe
2760	03Dc2MIz.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	03Dc2MIz.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30
PID 1540 wrote to memory of 2760	1540	03Dc2MIz.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03Dc2MIz.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03Dc2MIz.exe

C:\Users\Admin\AppData\Local\Temp\03Dc2MIz.exe
"C:\Users\Admin\AppData\Local\Temp\03Dc2MIz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Users\Admin\AppData\Local\Temp\03Dc2MIz.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2760

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/1540-21-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1540-1-0x0000000000280000-0x0000000000332000-memory.dmp

Filesize
712KB

Download
memory/1540-2-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/1540-3-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/1540-4-0x0000000000570000-0x000000000057C000-memory.dmp

Filesize
48KB

Download
memory/1540-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1540-6-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/1540-7-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/1540-8-0x0000000007E10000-0x0000000007E92000-memory.dmp

Filesize
520KB

Download
memory/1540-9-0x00000000008E0000-0x0000000000922000-memory.dmp

Filesize
264KB

Download
memory/1540-0-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2760-22-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-23-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/2760-24-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-25-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download

Analysis

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