agenttesla | d9a1fcb2c4fcc8b357ae72a6e3135101e2c15d4c60791df8ce8dd4464d270339

General

Target

contract invoice.exe
Size

540KB
MD5

761f108a69b4cdc62d7f292ca993f1e9
SHA1

60c25003c56b4d96aa7c4df8ee4eaa7dfc0f9f2b
SHA256

d9a1fcb2c4fcc8b357ae72a6e3135101e2c15d4c60791df8ce8dd4464d270339
SHA512

bc8efd16da5c920417bc5dfd42f11b47d29d5e752202796a1f5f30b429327b4ba05f913dad75b92bc91b11a845c1a2622dfe9f804c4cde7956879d7505bf3705

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.threewaystoharems.com
Port:
587
Username:
[email protected]
Password:
sales@123456

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/744-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/744-3-0x000000000044737E-mapping.dmp	family_agenttesla
behavioral1/memory/744-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/744-5-0x0000000000400000-0x000000000044C000-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\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	contract invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 744	1124	contract invoice.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
744	contract invoice.exe
744	contract invoice.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
744	contract invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	contract invoice.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24
PID 1124 wrote to memory of 744	1124	contract invoice.exe	24

C:\Users\Admin\AppData\Local\Temp\contract invoice.exe
"C:\Users\Admin\AppData\Local\Temp\contract invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\contract invoice.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:744

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/744-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/744-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/744-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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