agenttesla | 135ab4738a08869cd394b9d59fd122acd7ceabdf74e59cb6de053280b1d2d7f2

General

Target

DG568qdxI1DjhwE.exe
Size

748KB
MD5

5ad0f1d2103f942cbb51712b697d1ac0
SHA1

ad19701a0403616fd315a5e42cfec9058bb3dae0
SHA256

135ab4738a08869cd394b9d59fd122acd7ceabdf74e59cb6de053280b1d2d7f2
SHA512

96da95f7086a02941b4732a40dbc1dc3324e849a7e3586930400d923e10f868f7c348d509cc0ddc13ac387e0d333795339887672d1e29e5a07bf23a1dba4303e
SSDEEP

12288:xIS/9ppCZKdb7ETIiVw/+hTrlHKcn6qM9rLXCFH4R07MGEfRORMIF0Th:td7qVvPJKcqh1R07XuORME0T

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5999752625:AAGTZbXz0C5Sg76h933VnEuCVZ9JnTnGUXU/

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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DG568qdxI1DjhwE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DG568qdxI1DjhwE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DG568qdxI1DjhwE.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 2016 set thread context of 1156	2016	DG568qdxI1DjhwE.exe	28

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2016	DG568qdxI1DjhwE.exe
2016	DG568qdxI1DjhwE.exe
2016	DG568qdxI1DjhwE.exe
2016	DG568qdxI1DjhwE.exe
2016	DG568qdxI1DjhwE.exe
2016	DG568qdxI1DjhwE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	DG568qdxI1DjhwE.exe
Token: SeDebugPrivilege	1156	DG568qdxI1DjhwE.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28
PID 2016 wrote to memory of 1156	2016	DG568qdxI1DjhwE.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DG568qdxI1DjhwE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DG568qdxI1DjhwE.exe

C:\Users\Admin\AppData\Local\Temp\DG568qdxI1DjhwE.exe
"C:\Users\Admin\AppData\Local\Temp\DG568qdxI1DjhwE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\DG568qdxI1DjhwE.exe
  "C:\Users\Admin\AppData\Local\Temp\DG568qdxI1DjhwE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1156

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/1156-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-89-0x0000000004E10000-0x0000000004E50000-memory.dmp

Filesize
256KB

Download
memory/1156-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-71-0x0000000004E10000-0x0000000004E50000-memory.dmp

Filesize
256KB

Download
memory/1156-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1156-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-59-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/2016-58-0x00000000047D0000-0x0000000004848000-memory.dmp

Filesize
480KB

Download
memory/2016-54-0x0000000001300000-0x00000000013C2000-memory.dmp

Filesize
776KB

Download
memory/2016-56-0x0000000000C00000-0x0000000000C1E000-memory.dmp

Filesize
120KB

Download
memory/2016-60-0x0000000001280000-0x00000000012B2000-memory.dmp

Filesize
200KB

Download
memory/2016-55-0x0000000004AC0000-0x0000000004B00000-memory.dmp

Filesize
256KB

Download
memory/2016-57-0x0000000004AC0000-0x0000000004B00000-memory.dmp

Filesize
256KB

Download

Analysis

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