agenttesla | 934982623de62355613d2c7e8f8d1edee0a5db84c99636fb9ee543e7cfc6a079

General

Target

princex.exe
Size

925KB
MD5

2121dbe8a73e96250eabdfaa102b43eb
SHA1

fe4f449016a6c8fc0e3517d40dd5d7b4b68ae42f
SHA256

934982623de62355613d2c7e8f8d1edee0a5db84c99636fb9ee543e7cfc6a079
SHA512

00bbc2cb1f9f502c3c40a0ba76557c5d394c36d9d9879db8db8d7a156cdb0827dfb760fc54bf01fc7a5de5b5b2a5176d739d2bb4489d43aed0ff7daed41e5b87

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mangero.xyz
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1796-1-0x00000000004A3AB0-mapping.dmp	family_agenttesla
behavioral1/memory/1796-3-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral1/memory/1796-4-0x00000000003A0000-0x00000000003EC000-memory.dmp	family_agenttesla
behavioral1/memory/1796-6-0x0000000000250000-0x0000000000296000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1796-0-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1796-2-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1796-3-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\prince = "C:\\Users\\Admin\\AppData\\Local\\Temp\\prince\\prince.exe"	princex.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1496 set thread context of 1796	1496	princex.exe	24

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1496	princex.exe
1796	princex.exe
1796	princex.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1496	princex.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	princex.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1796	1496	princex.exe	24
PID 1496 wrote to memory of 1796	1496	princex.exe	24
PID 1496 wrote to memory of 1796	1496	princex.exe	24
PID 1496 wrote to memory of 1796	1496	princex.exe	24

C:\Users\Admin\AppData\Local\Temp\princex.exe
"C:\Users\Admin\AppData\Local\Temp\princex.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Users\Admin\AppData\Local\Temp\princex.exe
  "C:\Users\Admin\AppData\Local\Temp\princex.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1796-0-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1796-2-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1796-3-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1796-4-0x00000000003A0000-0x00000000003EC000-memory.dmp

Filesize
304KB

Download
memory/1796-5-0x00000000002A2000-0x00000000002A3000-memory.dmp

Filesize
4KB

Download
memory/1796-6-0x0000000000250000-0x0000000000296000-memory.dmp

Filesize
280KB

Download

Analysis

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