agenttesla | 4fc3ed9f47b624317f248f82d94bad2f7d5f08f8562bb7844d3a5acb46a685ea

General

Target

5c6837eb0ec320355fd14bc561d8f3e8.exe
Size

990KB
MD5

5c6837eb0ec320355fd14bc561d8f3e8
SHA1

742863d99c704f87b81f616812252dd1baf7f084
SHA256

4fc3ed9f47b624317f248f82d94bad2f7d5f08f8562bb7844d3a5acb46a685ea
SHA512

f734301f6cf7f11b0f988c508715552b4baf6f9929262d2ce642fb91a53f85ae42d877ab3b7e3f43940f81f98cbb9d9ff4a84936c457ae529e39e4f0bf5a4a7d
SSDEEP

24576:xDdA8mxKF5yQx9ew2rlyquObgflxb5NbPfl:I8825Hx9NqutxvP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pmsteel-my.com
Port:
587
Username:
[email protected]
Password:
Collins-001

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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5c6837eb0ec320355fd14bc561d8f3e8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5c6837eb0ec320355fd14bc561d8f3e8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5c6837eb0ec320355fd14bc561d8f3e8.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1376	5c6837eb0ec320355fd14bc561d8f3e8.exe
1376	5c6837eb0ec320355fd14bc561d8f3e8.exe
1376	5c6837eb0ec320355fd14bc561d8f3e8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	5c6837eb0ec320355fd14bc561d8f3e8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1376	5c6837eb0ec320355fd14bc561d8f3e8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28
PID 2020 wrote to memory of 1376	2020	5c6837eb0ec320355fd14bc561d8f3e8.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5c6837eb0ec320355fd14bc561d8f3e8.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5c6837eb0ec320355fd14bc561d8f3e8.exe

C:\Users\Admin\AppData\Local\Temp\5c6837eb0ec320355fd14bc561d8f3e8.exe
"C:\Users\Admin\AppData\Local\Temp\5c6837eb0ec320355fd14bc561d8f3e8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\5c6837eb0ec320355fd14bc561d8f3e8.exe
  "C:\Users\Admin\AppData\Local\Temp\5c6837eb0ec320355fd14bc561d8f3e8.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1376

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

memory/1376-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1376-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2020-55-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/2020-54-0x0000000000940000-0x0000000000A3E000-memory.dmp

Filesize
1016KB

Download
memory/2020-59-0x0000000004DF0000-0x0000000004E70000-memory.dmp

Filesize
512KB

Download
memory/2020-58-0x0000000005880000-0x0000000005938000-memory.dmp

Filesize
736KB

Download
memory/2020-57-0x0000000000920000-0x000000000092E000-memory.dmp

Filesize
56KB

Download
memory/2020-56-0x00000000008D0000-0x00000000008E6000-memory.dmp

Filesize
88KB

Download

Analysis

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