agenttesla | aad392980897cef80774e04b02996bf378542a67334014b21ff4b8292589c7a7

General

Target

vessel details_pdf.exe
Size

653KB
MD5

296a91d852273bd8f8ea784f814e8e54
SHA1

47a5391f798e645c075a074a7cddfab468e449d5
SHA256

bdf6c1caee139afdf9122554e47a2b1f56dd5598447dced5cf81cafac1dfb7a0
SHA512

0b801c4a4abdff47d84138600eb9db78d68591a12332e2abf00fe0da3b53e51c415a157aae9934bce63ff6ad1c6e7bb8adebcb1bfa12b91f40ec374ce53bd1a6
SSDEEP

12288:W1Bo7KvAGZ2/IwuiwQ6CTCPuNCgHt1WH/ctA9upSNtira7Xs:W/o703ZQ5pGPuMgCH/9upTrag

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://cash4cars.nz
Port:
21
Username:
[email protected]
Password:
-[([pqM~nGA4

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

vessel details_pdf.exe

description pid process target process

PID 1480 set thread context of 2308 1480 vessel details_pdf.exe vessel details_pdf.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1480 set thread context of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

vessel details_pdf.exevessel details_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vessel details_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vessel details_pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vessel details_pdf.exe

pid process

2308 vessel details_pdf.exe
2308 vessel details_pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vessel details_pdf.exe

description pid process

Token: SeDebugPrivilege 2308 vessel details_pdf.exe

pid	process
2308	vessel details_pdf.exe
2308	vessel details_pdf.exe

description	pid	process
Token: SeDebugPrivilege	2308	vessel details_pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

vessel details_pdf.exe

description	pid	process	target process
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe
PID 1480 wrote to memory of 2308	1480	vessel details_pdf.exe	vessel details_pdf.exe

C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1480-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/1480-1-0x0000000000C80000-0x0000000000D2A000-memory.dmp

Filesize
680KB

Download
memory/1480-2-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/1480-3-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/1480-4-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/1480-5-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/1480-6-0x0000000005B80000-0x0000000005C06000-memory.dmp

Filesize
536KB

Download
memory/1480-25-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-24-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-23-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2308-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2308-26-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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