agenttesla | b5a3eceab417c5abf76678d3c3bb087c4b923b2c32a3620407ac266e090308bd

General

Target

OUU.exe
Size

393KB
MD5

e1a4c35915d41d959fdf286da81afedb
SHA1

60ef2a2a370ce3855c7b249462dc5584aeba5161
SHA256

b5a3eceab417c5abf76678d3c3bb087c4b923b2c32a3620407ac266e090308bd
SHA512

53324ab49e2787d97127e6b046b3e748563725ae8f7281969a22507fd6a56fda3e091cce23530f22d1b4b5af08fa73dda28a2711315db56b724a33a73113312e
SSDEEP

6144:Y59wN26uzKsZax2DhLFs5XA45DtRk3FresAPGWAq5OIWcUSmR:YNHzxZax2VBsxA4t8csAjA0O/cUV

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
jCXzqcP1 daniel 3116
Email To:
[email protected]

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 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	OUU.exe

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 2320 set thread context of 2300	2320	OUU.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	OUU.exe
2300	OUU.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	OUU.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29
PID 2320 wrote to memory of 2300	2320	OUU.exe	29

C:\Users\Admin\AppData\Local\Temp\OUU.exe
"C:\Users\Admin\AppData\Local\Temp\OUU.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\OUU.exe
  "C:\Users\Admin\AppData\Local\Temp\OUU.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2300-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2300-22-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/2300-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2300-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2300-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2300-21-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-19-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/2300-18-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2300-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2300-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-1-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-2-0x0000000002110000-0x0000000002150000-memory.dmp

Filesize
256KB

Download
memory/2320-14-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-4-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/2320-0-0x0000000000080000-0x00000000000E8000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads