agenttesla | 21213a4fbd18c618e7c49d6cb98c25ecee2c8beb4862bb46fe00ea28b26d0f16

General

Target
PO 60117.exe
Size 575KB
Sample210803-e2knl51t5x
SHA256 21213a4fbd18c618e7c49d6cb98c25ecee2c8beb4862bb46fe00ea28b26d0f16
MD5 08379fcfbe1924f956f69d63fdb871c3
SHA1 0dc89d6bf76bd29f41cbde7490cc2ac9faf72ea1
SHA512 09f0ce3b16a85393c246e338a51ef0f4ae6584a2392538a8833d511a3c724daa1bc6e4719a517682d02b2557f50c55e65148fdc30bee9f684f99141519c43e83
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.brothers-shipping.com
Port
587
Username
[email protected]
Password
196401613410045

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/904-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/904-67-0x00000000004374AE-mapping.dmp	family_agenttesla
behavioral1/memory/904-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
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 stealer

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 stealer

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Myapp = "C:\\Users\\Admin\\AppData\\Roaming\\Myapp\\Myapp.exe"	PO 60117.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1756 set thread context of 904	1756	PO 60117.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
904	PO 60117.exe
904	PO 60117.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
904	PO 60117.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	PO 60117.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
904	PO 60117.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29
PID 1756 wrote to memory of 904	1756	PO 60117.exe	29

C:\Users\Admin\AppData\Local\Temp\PO 60117.exe
"C:\Users\Admin\AppData\Local\Temp\PO 60117.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\PO 60117.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:904

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

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Downloads

memory/904-66-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/904-68-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/904-70-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Download

memory/904-71-0x0000000001FA1000-0x0000000001FA2000-memory.dmp

Download

memory/1756-60-0x0000000000A40000-0x0000000000A41000-memory.dmp

Download

memory/1756-62-0x0000000000B20000-0x0000000000B21000-memory.dmp

Download

memory/1756-63-0x00000000008D0000-0x00000000008D2000-memory.dmp

Download

memory/1756-64-0x00000000055D0000-0x0000000005663000-memory.dmp

Download

memory/1756-65-0x0000000002090000-0x00000000020E1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads