agenttesla | 879f98e73afed5c6189c48268f35e2ee021df914e2e612b7568ae1eb4c5f5d16

General

Target

PO443RF.exe
Size

854KB
MD5

dad65c4b9cff677b083a3a49d908ae3f
SHA1

4ddf093cc7db2555184746649bd22770862ee5a1
SHA256

879f98e73afed5c6189c48268f35e2ee021df914e2e612b7568ae1eb4c5f5d16
SHA512

13dec4440c6cc99dc28243ae3660b546af11bb2374a44e0db60576926e6c645f4608a9238566d4dce1dc103660eff0b2998a44e92515cec4e351d8d9ddb9b8d8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
1xH}wgu7}f%E

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/1408-0-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1408-1-0x000000000044A81E-mapping.dmp	family_agenttesla
behavioral1/memory/1408-2-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1408-3-0x0000000000400000-0x0000000000450000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 1408	1124	PO443RF.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1408	PO443RF.exe
1408	PO443RF.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1408	PO443RF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	PO443RF.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1124 wrote to memory of 1408	1124	PO443RF.exe	24
PID 1408 wrote to memory of 1568	1408	PO443RF.exe	28
PID 1408 wrote to memory of 1568	1408	PO443RF.exe	28
PID 1408 wrote to memory of 1568	1408	PO443RF.exe	28
PID 1408 wrote to memory of 1568	1408	PO443RF.exe	28

C:\Users\Admin\AppData\Local\Temp\PO443RF.exe
"C:\Users\Admin\AppData\Local\Temp\PO443RF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\PO443RF.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1408-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1408-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

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