agenttesla | 824325ef7baa4fecb6e59a86997bcbc39c85d57227e5faf8d1caefa560873f5a

General

Target

pkoNdZQQNOaLT6k.exe
Size

654KB
MD5

162fce899e7e7577b3fc87a477078fca
SHA1

8382ec47a671f08f286a8c73296e502bb9320689
SHA256

414863ddb693788354542ed707b5c9f41275909e9c29e79ca27291ebe6d40d3b
SHA512

2e8549b0288cf2d5d121ee104303d8b4e27b5504f6eefc8bee62548fcf4b1d923c8ef2b4adb31b7178c09defd5a6831966892b2f1cb331194822359faf9e9e88
SSDEEP

12288:N2o7HioaTnqnPeybA3uCT2mTsBj/JKuVGsI8UmUFWA9AqF9SBm2wbMGb43S:Mo7HTgYFMyBjhXVG0UmIGRE2wdb43S

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.apexrnun.com
Port:
587
Username:
[email protected]
Password:
%qroUozO;(C2Rlyb
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2732	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 3 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

Credentials from Web Browsers
T1555.003

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	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 2844	1820	pkoNdZQQNOaLT6k.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pkoNdZQQNOaLT6k.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pkoNdZQQNOaLT6k.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2844	pkoNdZQQNOaLT6k.exe
2844	pkoNdZQQNOaLT6k.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	pkoNdZQQNOaLT6k.exe
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2732	1820	pkoNdZQQNOaLT6k.exe	29
PID 1820 wrote to memory of 2732	1820	pkoNdZQQNOaLT6k.exe	29
PID 1820 wrote to memory of 2732	1820	pkoNdZQQNOaLT6k.exe	29
PID 1820 wrote to memory of 2732	1820	pkoNdZQQNOaLT6k.exe	29
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31
PID 1820 wrote to memory of 2844	1820	pkoNdZQQNOaLT6k.exe	31

C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe
"C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe
  "C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1820-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/1820-1-0x00000000002F0000-0x000000000039A000-memory.dmp

Filesize
680KB

Download
memory/1820-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1820-3-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/1820-4-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/1820-5-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/1820-6-0x0000000005C40000-0x0000000005CC6000-memory.dmp

Filesize
536KB

Download
memory/1820-20-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-19-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2844-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2844-21-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-24-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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