agenttesla | c5b157b91cfc6488fa2c5a0a79cdc1b56b94d5a219989f10eab2a0c11833db89

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 03:17

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General

Target

50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe
Size

4.6MB
MD5

bdac6ecf5c7f3ae57414eb01e643f96b
SHA1

a931d7d7b4471c39e37c14369373aa0bc4d5ad2e
SHA256

50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a
SHA512

9a021ae8bf9bb33a7055224bc50a7206bc16fc2358299b52b31837c106195eec4c1695260307a7a95c919d3fd9cb21c28112ed3c9f9c51490191ee0b4159a27e
SSDEEP

24576:0s99lUjIm5M193TxVmMJIquuX/GQl04NCYIHesng/pMqRG+5LF2DfE8z4jJsP+i4:b

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
d9GOyTceXsMT
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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\oouvef = "C:\\Users\\Admin\\AppData\\Roaming\\oouvef.exe"	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api.ipify.org
3	api.ipify.org
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2616	RegAsm.exe
2616	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe
Token: SeDebugPrivilege	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe
Token: SeDebugPrivilege	2616	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28
PID 1924 wrote to memory of 2616	1924	50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe	28

C:\Users\Admin\AppData\Local\Temp\50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe
"C:\Users\Admin\AppData\Local\Temp\50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1924-34-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-36-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-38-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-3-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-10-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-8-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-6-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-4-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-12-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-14-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-16-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-60-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-18-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-20-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-22-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-24-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-26-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-28-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-30-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-32-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-1-0x0000000001250000-0x00000000016F4000-memory.dmp

Filesize
4.6MB

Download
memory/1924-0-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/1924-2-0x0000000006070000-0x00000000062A0000-memory.dmp

Filesize
2.2MB

Download
memory/1924-40-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-42-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-48-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-46-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-66-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-64-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-62-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-58-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-56-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-4884-0x0000000000BA0000-0x0000000000BEC000-memory.dmp

Filesize
304KB

Download
memory/1924-4883-0x00000000011C0000-0x000000000122C000-memory.dmp

Filesize
432KB

Download
memory/1924-54-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-52-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-50-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-4885-0x0000000004B00000-0x0000000004B54000-memory.dmp

Filesize
336KB

Download
memory/1924-44-0x0000000006070000-0x000000000629A000-memory.dmp

Filesize
2.2MB

Download
memory/1924-4903-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/1924-4901-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-4902-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download