agenttesla | 527aef7ff0b50922c7fb7aabc30107546974486a8d67351278089185cc706587

General

Target

4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe
Size

909KB
MD5

1d3f9f9ccc968453e6cdc3594e3e66a3
SHA1

5d2b75092691d833b50e1446ebfcc07172018c57
SHA256

4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803
SHA512

92554c16b430906858128534c71ee06f48d85848dd7e9ddbc7fcbd40cdd39ef110b169e962ff605e438e0fa855526c10aecc336c98e12b871f77bb397c4953c3
SSDEEP

24576:41Qwe3cOQwt+c4ibhDyvam8NFY4YEPL0Z:4B6iibhD0lQe4fO

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mrc-cleanroom.com
Port:
587
Username:
[email protected]
Password:
oAmCLbH1
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	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102
PID 2080 wrote to memory of 5036	2080	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe	102

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	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.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	4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe

C:\Users\Admin\AppData\Local\Temp\4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe
"C:\Users\Admin\AppData\Local\Temp\4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe
  "C:\Users\Admin\AppData\Local\Temp\4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5036

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\4fc9ad5496662eb995b8912b235779a4504a4b98a774b6c7d44a71d2f6259803.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2080-139-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/2080-135-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/2080-136-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/2080-137-0x0000000004AC0000-0x0000000004ACA000-memory.dmp

Filesize
40KB

Download
memory/2080-138-0x0000000004D30000-0x0000000004DCC000-memory.dmp

Filesize
624KB

Download
memory/2080-133-0x0000000000010000-0x00000000000FA000-memory.dmp

Filesize
936KB

Download
memory/2080-134-0x0000000004FF0000-0x0000000005594000-memory.dmp

Filesize
5.6MB

Download
memory/5036-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5036-143-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/5036-144-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/5036-145-0x0000000006B00000-0x0000000006B50000-memory.dmp

Filesize
320KB

Download
memory/5036-146-0x0000000006D70000-0x0000000006F32000-memory.dmp

Filesize
1.8MB

Download
memory/5036-153-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download

Analysis

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