agenttesla | a4d9ec0bbdb5fce74ca575a65f549284c4370f104d5b143ddf591b5869d9ed5c

General

Target

ScanCopy031023.exe
Size

575KB
MD5

c3d6528d2ba2f2ea40a74a4170b4b63f
SHA1

ce0d8769d41feee9076c3e9039772bfedcd55ec5
SHA256

a4d9ec0bbdb5fce74ca575a65f549284c4370f104d5b143ddf591b5869d9ed5c
SHA512

a5b893126dcacb15c04816d0a07f5a2b0028282f97aa0838b5e46015bc6f7486a7e6871cadbb545269bb87deca6580d8da2e72b3367479eabe656bd06c5d250c
SSDEEP

12288:p8/ynLFPvP5kJRi0tjXmrfVgFtnAnBhRETXKs:pDLFvqiujXcIWBhW

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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ScanCopy031023.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ScanCopy031023.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ScanCopy031023.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 1768 set thread context of 2816	1768	ScanCopy031023.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	ScanCopy031023.exe
2816	ScanCopy031023.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	ScanCopy031023.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28
PID 1768 wrote to memory of 2816	1768	ScanCopy031023.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ScanCopy031023.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ScanCopy031023.exe

C:\Users\Admin\AppData\Local\Temp\ScanCopy031023.exe
"C:\Users\Admin\AppData\Local\Temp\ScanCopy031023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\ScanCopy031023.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2816

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/1768-18-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-1-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-2-0x0000000000420000-0x0000000000460000-memory.dmp

Filesize
256KB

Download
memory/1768-3-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/1768-4-0x0000000000570000-0x000000000057C000-memory.dmp

Filesize
48KB

Download
memory/1768-5-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-6-0x0000000000420000-0x0000000000460000-memory.dmp

Filesize
256KB

Download
memory/1768-7-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/1768-8-0x0000000005BD0000-0x0000000005C4A000-memory.dmp

Filesize
488KB

Download
memory/1768-9-0x0000000004360000-0x00000000043A2000-memory.dmp

Filesize
264KB

Download
memory/1768-0-0x0000000000EC0000-0x0000000000F56000-memory.dmp

Filesize
600KB

Download
memory/2816-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-22-0x0000000073E20000-0x000000007450E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-23-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download
memory/2816-24-0x0000000073E20000-0x000000007450E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-25-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download

Analysis

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