agenttesla | c20c7be10910c00b534e474f2842f9ce410334fef8452d3c309f5beabe74ed2e

General

Target

RICHIEST.exe
Size

794KB
MD5

ab4f3b662216cdd5c13adcff0fea5212
SHA1

ffb05f3a8ce11695cd21e612fd26ed1284e8e943
SHA256

e438fd0fc7c378400c7e936e9b2260abc5967cee41790c0ea3daf903c802a22e
SHA512

229938209c5f80fd7977dbd8d0316633b911f3c086f4184f4f192ec166f3e8cefde79eb76cf150c3df99440783fac5cdcd221b0ecdf943f41dc51bdc3e83884c
SSDEEP

12288:ssTtjQYwPJ5fgru3LgAX6MxPYJVs69jbs0EG5DARIvAoYomVrX4kYk:sshyzfgrBANxwJiGs0dD8I4oPEX

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.yamanlartekstil.com
Port:
21
Username:
pyamanUi
Password:
yam79Ffg

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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RICHIEST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RICHIEST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RICHIEST.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 2804	532	RICHIEST.exe	31

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
532	RICHIEST.exe
2804	RICHIEST.exe
2804	RICHIEST.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	532	RICHIEST.exe
Token: SeDebugPrivilege	2804	RICHIEST.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2064	532	RICHIEST.exe	30
PID 532 wrote to memory of 2064	532	RICHIEST.exe	30
PID 532 wrote to memory of 2064	532	RICHIEST.exe	30
PID 532 wrote to memory of 2064	532	RICHIEST.exe	30
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31
PID 532 wrote to memory of 2804	532	RICHIEST.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RICHIEST.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RICHIEST.exe

C:\Users\Admin\AppData\Local\Temp\RICHIEST.exe
"C:\Users\Admin\AppData\Local\Temp\RICHIEST.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\RICHIEST.exe
  "C:\Users\Admin\AppData\Local\Temp\RICHIEST.exe"
  2⤵
  PID:2064
- C:\Users\Admin\AppData\Local\Temp\RICHIEST.exe
  "C:\Users\Admin\AppData\Local\Temp\RICHIEST.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/532-54-0x0000000000B10000-0x0000000000BDC000-memory.dmp

Filesize
816KB

Download
memory/532-55-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/532-56-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download
memory/532-57-0x0000000000350000-0x0000000000360000-memory.dmp

Filesize
64KB

Download
memory/532-58-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/532-59-0x0000000004A20000-0x0000000004A60000-memory.dmp

Filesize
256KB

Download
memory/532-60-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

Download
memory/532-61-0x0000000007F90000-0x000000000800E000-memory.dmp

Filesize
504KB

Download
memory/532-73-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-74-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2804-75-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/2804-76-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-77-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download

Analysis

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