agenttesla | f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd

General

Target

f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe
Size

861KB
MD5

3e44403a5c1711610d510a2c0fe5dbd8
SHA1

20e88f74f6be0af3b4888412fea5d02b353ed87e
SHA256

f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd
SHA512

d882134690e3545d3713c035a7c6f0f71451aba0361f0b72ba6fd77856b5402c4dad764a3bfce1c5656964bd0d613a9bfd977e04e0d558182823bec208d9dd01
SSDEEP

12288:Vq0EOm/wbN4aOZnP/hVSEOC3+kbIOkbJXa5iGeOM6xk2a8X/js2+70v2U:U0EwbmTP/h8jCukbIOkbJgaQkMbs2+o

Score

10^/10

agenttesla 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
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 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 2500 set thread context of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.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	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1296	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe
1296	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31
PID 2500 wrote to memory of 1296	2500	f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe	31

C:\Users\Admin\AppData\Local\Temp\f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe
"C:\Users\Admin\AppData\Local\Temp\f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe
  "C:\Users\Admin\AppData\Local\Temp\f20c6b800c58fb27f0a60e5eec105441f041b4fc0461817af6c5f84589236cdd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1296

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/1296-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1296-21-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1296-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1296-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1296-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1296-20-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1296-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1296-18-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1296-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1296-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2500-17-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2500-19-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2500-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2500-1-0x0000000000B10000-0x0000000000BEE000-memory.dmp

Filesize
888KB

Download
memory/2500-2-0x0000000000640000-0x0000000000688000-memory.dmp

Filesize
288KB

Download

Analysis

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