agenttesla | ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4

General

Target

ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe
Size

1.0MB
MD5

122e2022e5324e3c6f27f62423569b4d
SHA1

f498afcc4b71436a707a51a9dbce599b62f32f96
SHA256

ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4
SHA512

4bfeb068919a8fd8ffb15e1dc57624b4e9f28f96806be47102097cca642bf10c1938d3383cdfa151a50cab89c6837297b68a199f938d174f045b1c6b2fe5db89
SSDEEP

24576:7zh2CAbCTEUDUBvQh/2FNU3Naz4rAp1Sh:7zhfTtD2y8zaAjS

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

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

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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2380	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe
2380	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31
PID 2164 wrote to memory of 2380	2164	ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe	31

C:\Users\Admin\AppData\Local\Temp\ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe
"C:\Users\Admin\AppData\Local\Temp\ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe
  "C:\Users\Admin\AppData\Local\Temp\ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2380

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/2164-19-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-1-0x0000000000CA0000-0x0000000000DB2000-memory.dmp

Filesize
1.1MB

Download
memory/2164-2-0x0000000000430000-0x0000000000478000-memory.dmp

Filesize
288KB

Download
memory/2164-0-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2164-16-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2380-18-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-20-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-21-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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