agenttesla | 1e63e95fbffd47595bf5a51147690a3f07b53e3fb7d1ebb78fe77b7054b211af

General

Target
PIWKRM20201127A.exe
Size 919KB
Sample201204-3v7q9cdata
SHA256 1e63e95fbffd47595bf5a51147690a3f07b53e3fb7d1ebb78fe77b7054b211af
MD5 31a323274d22a5dc09d93f9b1a54a2ba
SHA1 dce3f045ae0bb716b64886f90d5a8234faddca2d
SHA512 751e951809c5ee642a48e90920ea0bc8c0367e06cce63b8259387fb86f72f4a4ec8b0f511356b1cb58a10992dc0c16cd20b78a392d90959b5dc9233f6114cefd
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.shakurjay.com
Port
587
Username
[email protected]
Password
zpwXtxm7

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2208-2-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2208-3-0x000000000043751E-mapping.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 3992 set thread context of 2208	3992	PIWKRM20201127A.exe	78

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	PIWKRM20201127A.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	PIWKRM20201127A.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2208	PIWKRM20201127A.exe
2208	PIWKRM20201127A.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	PIWKRM20201127A.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2208	PIWKRM20201127A.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78
PID 3992 wrote to memory of 2208	3992	PIWKRM20201127A.exe	78

C:\Users\Admin\AppData\Local\Temp\PIWKRM20201127A.exe
"C:\Users\Admin\AppData\Local\Temp\PIWKRM20201127A.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Local\Temp\PIWKRM20201127A.exe
  "C:\Users\Admin\AppData\Local\Temp\PIWKRM20201127A.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2208

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/2208-2-0x0000000000400000-0x000000000043C000-memory.dmp

Download

Analysis

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