agenttesla | 2b50de65fe8857463a551bb76cdadc499271c7868a68b11a95407d9f13d272ed

General

Target

BETALING.exe
Size

798KB
MD5

c9ee1dae02a9961479085904a889bcf1
SHA1

6fd63820b7304f567733d2b742a884db76a33878
SHA256

cc52858669052729a30b968cfcd103bdd10cb6c1099090d9e21b0116eb891482
SHA512

8edc2cbc038cea06e7d1c6d4c01a2abc8a8f777737e1bda08ad8981f695a8d7f79cb991ec1667350ba32e7b5486e71d34afcd48e403755ac42086f8b88036468
SSDEEP

24576:lYkimX0T9OlQFXL0ZQMXNFi/EVn1dnkHV:l0GQyQiF1jdnkHV

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amwi.net
Port:
587
Username:
[email protected]
Password:
A77i6l!v
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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BETALING.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BETALING.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BETALING.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
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 3688	2156	BETALING.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	BETALING.exe
2156	BETALING.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	BETALING.exe
Token: SeDebugPrivilege	3688	BETALING.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91
PID 2156 wrote to memory of 3688	2156	BETALING.exe	91

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	BETALING.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	BETALING.exe

C:\Users\Admin\AppData\Local\Temp\BETALING.exe
"C:\Users\Admin\AppData\Local\Temp\BETALING.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\BETALING.exe
  "C:\Users\Admin\AppData\Local\Temp\BETALING.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3688

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

Loading Replay Monitor...

Downloads

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

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2156-139-0x000000000CD40000-0x000000000CDDC000-memory.dmp

Filesize
624KB

Download
memory/2156-135-0x0000000007D90000-0x0000000007E22000-memory.dmp

Filesize
584KB

Download
memory/2156-136-0x0000000007D60000-0x0000000007D6A000-memory.dmp

Filesize
40KB

Download
memory/2156-137-0x0000000007D70000-0x0000000007D80000-memory.dmp

Filesize
64KB

Download
memory/2156-138-0x0000000007D70000-0x0000000007D80000-memory.dmp

Filesize
64KB

Download
memory/2156-133-0x0000000000E00000-0x0000000000ECE000-memory.dmp

Filesize
824KB

Download
memory/2156-134-0x00000000082A0000-0x0000000008844000-memory.dmp

Filesize
5.6MB

Download
memory/3688-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3688-143-0x0000000005340000-0x00000000053A6000-memory.dmp

Filesize
408KB

Download
memory/3688-144-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download
memory/3688-145-0x0000000006F50000-0x0000000006FA0000-memory.dmp

Filesize
320KB

Download
memory/3688-146-0x0000000007170000-0x0000000007332000-memory.dmp

Filesize
1.8MB

Download
memory/3688-147-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing