agenttesla | 401d485c347afabd4b2990970ab79dfec11e926418080d41fde73f7c366a6b32

General

Target

6.exe
Size

1.3MB
MD5

f6622bb99298096eb84549b3c7ca66c7
SHA1

52b915d70347a7daec09ce62ff60826457682fa2
SHA256

401d485c347afabd4b2990970ab79dfec11e926418080d41fde73f7c366a6b32
SHA512

ed0359da61a75ece23d0b47bf4739441a0f14c053d0cb45ab6b5eb881c2c62de5ccce98cba9861ce2477525e6878236e9e18d052d7937ec09f38732e3cfe20cf
SSDEEP

12288:B2I4ypNjkCZ3oHLX+USHIqkoF1pXvqGyH9m8hBp8oni/eJfhO38h:B34yHjBpoHL9WUoVxydmGmeJfAm

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.normagroup.com.tr
Port:
21
Username:
[email protected]
Password:
Qb.X[.j.Yfm[

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 2292	2016	6.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	regasm.exe
2292	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 2292	2016	6.exe	82
PID 2016 wrote to memory of 4828	2016	6.exe	83
PID 2016 wrote to memory of 4828	2016	6.exe	83
PID 2016 wrote to memory of 4828	2016	6.exe	83

C:\Users\Admin\AppData\Local\Temp\6.exe
"C:\Users\Admin\AppData\Local\Temp\6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 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/2016-1-0x00000181CF890000-0x00000181CF898000-memory.dmp

Filesize
32KB

Download
memory/2016-0-0x00007FF83D603000-0x00007FF83D605000-memory.dmp

Filesize
8KB

Download
memory/2016-2-0x00000181E9CD0000-0x00000181E9D62000-memory.dmp

Filesize
584KB

Download
memory/2016-3-0x00007FF83D600000-0x00007FF83E0C1000-memory.dmp

Filesize
10.8MB

Download
memory/2016-9-0x00007FF83D600000-0x00007FF83E0C1000-memory.dmp

Filesize
10.8MB

Download
memory/2292-6-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/2292-5-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2292-7-0x0000000004F00000-0x0000000004F66000-memory.dmp

Filesize
408KB

Download
memory/2292-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2292-8-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2292-10-0x0000000005DC0000-0x0000000005E10000-memory.dmp

Filesize
320KB

Download
memory/2292-11-0x0000000005EB0000-0x0000000005F42000-memory.dmp

Filesize
584KB

Download
memory/2292-12-0x0000000006070000-0x000000000607A000-memory.dmp

Filesize
40KB

Download
memory/2292-13-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2292-14-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download

Analysis

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