agenttesla | 7ddacf946c3de29255d826fbce407672c991285e15bf4a0e33f28561847b7d6f

General

Target

Swift_Copy.exe
Size

436KB
MD5

a3cda996e2b93785deeac0dae2f6cbe6
SHA1

218d5c95f0ac830408a7a9c3c5bc5328768ba05c
SHA256

86db57c0bc187639ab985ffa4dd383a2704273aada862ff21b62de85c6f88748
SHA512

b30bc0a47154e46b4f607711bc131146628fab61b0754301e2443f3575db3fdf4a1255117af2c0a5cb59e855713ffc389993f87f423805bd1d457987eb480c8d
SSDEEP

6144:FCvZQF2uFxbIBMPryJc3Nz7jCbT3Cdeh2kPYjj1XzVB8PQqZ:FCuFfbNyq3NzXCvCdMCN

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thereccorp.com
Port:
587
Username:
[email protected]
Password:
O@123456
Email To:
[email protected]

Signatures

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

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 1576	1700	Swift_Copy.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1576	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28
PID 1700 wrote to memory of 1576	1700	Swift_Copy.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Swift_Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Swift_Copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1576

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1576-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1576-68-0x0000000004DF0000-0x0000000004E30000-memory.dmp

Filesize
256KB

Download
memory/1576-89-0x0000000004DF0000-0x0000000004E30000-memory.dmp

Filesize
256KB

Download
memory/1576-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1576-58-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1576-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1576-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1576-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1576-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1576-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1700-54-0x0000000001240000-0x00000000012B4000-memory.dmp

Filesize
464KB

Download
memory/1700-55-0x0000000000200000-0x0000000000248000-memory.dmp

Filesize
288KB

Download
memory/1700-57-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/1700-56-0x0000000004860000-0x00000000048A0000-memory.dmp

Filesize
256KB

Download

Analysis

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