agenttesla | 0ce08df0b3611911bc5afc8a1cca8ee808bcc0c4d7224910fad496244c38e47b

General

Target

4fcc4cbf428270c76e2613d4962e4de9.exe
Size

490KB
MD5

4fcc4cbf428270c76e2613d4962e4de9
SHA1

59d972dee57dcb46c6a48dfa918139c66603cb5f
SHA256

0ce08df0b3611911bc5afc8a1cca8ee808bcc0c4d7224910fad496244c38e47b
SHA512

119ec86bf92d0bf3aaea1649412ca5070b79b31d1709cd134b3ac743d2b0fa116ea8329651d70880ab9e34cef9b9fe12818b9541e7755ed24ff3d2c9f4d1de55

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
bh-58.webhostbox.net
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/1100-0-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1100-1-0x0000000000446D6E-mapping.dmp	family_agenttesla
behavioral1/memory/1100-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1100-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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\chekwa = "C:\\Users\\Admin\\AppData\\Local\\Temp\\chekwa\\chekwa.exe"	4fcc4cbf428270c76e2613d4962e4de9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1096 set thread context of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1100	4fcc4cbf428270c76e2613d4962e4de9.exe
1100	4fcc4cbf428270c76e2613d4962e4de9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	4fcc4cbf428270c76e2613d4962e4de9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1100	4fcc4cbf428270c76e2613d4962e4de9.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24
PID 1096 wrote to memory of 1100	1096	4fcc4cbf428270c76e2613d4962e4de9.exe	24

C:\Users\Admin\AppData\Local\Temp\4fcc4cbf428270c76e2613d4962e4de9.exe
"C:\Users\Admin\AppData\Local\Temp\4fcc4cbf428270c76e2613d4962e4de9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\4fcc4cbf428270c76e2613d4962e4de9.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1100

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

Loading Replay Monitor...

Downloads

memory/1100-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1100-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1100-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing