agenttesla | c33b7b4e1ca47c199ebc7f0027fe163489a0b5bd872206e853ab6779362ee747

General

Target

738de6017ca3733fa2d8899a9c64d53a.exe
Size

1000KB
MD5

738de6017ca3733fa2d8899a9c64d53a
SHA1

13c0bae96872436a314b5bb11d9caa8a870bf9f4
SHA256

c33b7b4e1ca47c199ebc7f0027fe163489a0b5bd872206e853ab6779362ee747
SHA512

746ba252658115d37dd9701f5000ce3ac82f64c6d289fd509bc2b5fd9ba61c5d9b812cc38f0e60ff946bdfbb4babb131619777e46f79cb47aa2aec03bbf46dc3
SSDEEP

24576:/Q12zVZ97cXwdfR++/CMO2bcEBYBIBTKC/hEh:/QAR379dsMlO2bcEBYBO/h

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://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
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

Processes:

738de6017ca3733fa2d8899a9c64d53a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	738de6017ca3733fa2d8899a9c64d53a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	738de6017ca3733fa2d8899a9c64d53a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	738de6017ca3733fa2d8899a9c64d53a.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.

Processes:

flow ioc

41 api.ipify.org
42 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

738de6017ca3733fa2d8899a9c64d53a.exe

description pid process target process

PID 1052 set thread context of 1240 1052 738de6017ca3733fa2d8899a9c64d53a.exe 738de6017ca3733fa2d8899a9c64d53a.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

738de6017ca3733fa2d8899a9c64d53a.exe

description pid process

Token: SeDebugPrivilege 1240 738de6017ca3733fa2d8899a9c64d53a.exe

flow	ioc
41	api.ipify.org
42	api.ipify.org

description	pid	process	target process
PID 1052 set thread context of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe

description	pid	process
Token: SeDebugPrivilege	1240	738de6017ca3733fa2d8899a9c64d53a.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

738de6017ca3733fa2d8899a9c64d53a.exe

description	pid	process	target process
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe
PID 1052 wrote to memory of 1240	1052	738de6017ca3733fa2d8899a9c64d53a.exe	738de6017ca3733fa2d8899a9c64d53a.exe

outlook_office_path 1 IoCs

Processes:

738de6017ca3733fa2d8899a9c64d53a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	738de6017ca3733fa2d8899a9c64d53a.exe

outlook_win_path 1 IoCs

Processes:

738de6017ca3733fa2d8899a9c64d53a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	738de6017ca3733fa2d8899a9c64d53a.exe

C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe
"C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe
  "C:\Users\Admin\AppData\Local\Temp\738de6017ca3733fa2d8899a9c64d53a.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1240

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\738de6017ca3733fa2d8899a9c64d53a.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1052-139-0x00000000075A0000-0x000000000763C000-memory.dmp

Filesize
624KB

Download
memory/1052-135-0x0000000005A80000-0x0000000005B12000-memory.dmp

Filesize
584KB

Download
memory/1052-136-0x0000000005B30000-0x0000000005B3A000-memory.dmp

Filesize
40KB

Download
memory/1052-137-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

Filesize
64KB

Download
memory/1052-138-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

Filesize
64KB

Download
memory/1052-133-0x0000000000FD0000-0x00000000010D0000-memory.dmp

Filesize
1024KB

Download
memory/1052-134-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/1240-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1240-143-0x00000000032B0000-0x0000000003316000-memory.dmp

Filesize
408KB

Download
memory/1240-144-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/1240-145-0x0000000007110000-0x0000000007160000-memory.dmp

Filesize
320KB

Download
memory/1240-146-0x0000000007460000-0x0000000007622000-memory.dmp

Filesize
1.8MB

Download
memory/1240-147-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads