agenttesla | 5e110b46db054e7b3b2e12592791e89e76d8baf65c215c1a577ec2016c3c81e5

Analysis

max time kernel
126s
max time network
128s
platform
windows10_x64
resource
win10v20201028
submitted
09/11/2020, 20:52

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General

Target
INVOICE.pdf.exe
Size 577KB
Sample201109-dbyf5bwacj
SHA256 5e110b46db054e7b3b2e12592791e89e76d8baf65c215c1a577ec2016c3c81e5
MD5 6942da375f003dcf5cb70035ade208d5
SHA1 4fcfb8ddc61e18c479109b660b7fcc266b700bf8
SHA512 bfacdbb65e369ee411e386df4f49f0368eec5dfd0d949e0557294605ed1526dc9fc652762d2938468c459292559e14370da270f4de4feef22ad10a5f6517ab94
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.yandex.ru
Port
587
Username
[email protected]
Password
kingmoney12345

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/188-0-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral2/memory/188-1-0x0000000000447BDE-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 636 set thread context of 188	636	INVOICE.pdf.exe	78

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
636	INVOICE.pdf.exe
636	INVOICE.pdf.exe
636	INVOICE.pdf.exe
188	INVOICE.pdf.exe
188	INVOICE.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	INVOICE.pdf.exe
Token: SeDebugPrivilege	188	INVOICE.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
188	INVOICE.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78
PID 636 wrote to memory of 188	636	INVOICE.pdf.exe	78

C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/188-0-0x0000000000400000-0x000000000044C000-memory.dmp

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