agenttesla | f9aa683158e2b07e7fdef14d6cb9c9b8034714a460bf9df6f90c7e58e2b1d47d

General

Target

TT Wire.exe
Size

872KB
MD5

276ab8f48c98e1c60608ee43d1825eef
SHA1

b13d5bc0386ee638eb2b4ba1708b6e3674e6eec9
SHA256

f9aa683158e2b07e7fdef14d6cb9c9b8034714a460bf9df6f90c7e58e2b1d47d
SHA512

696aaf81a04a6f1f5ceffdf49d14dcb66c79e718716c5b393b8d5e0ea3d77a91b68f38cd2708f6184b13964b034c840a00f4b73216b18f6dbbde339e9be806a8
SSDEEP

12288:XHKQ4A7s08hR64ngp2NAxGNHXx2ACFw4uTjzWADqjJ5nH:XC08znHNAQdXxSLjrH

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.bluemaster.es
Port:
587
Username:
[email protected]
Password:
F5a&T4w&

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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT Wire.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT Wire.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT Wire.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 112 set thread context of 912	112	TT Wire.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
112	TT Wire.exe
112	TT Wire.exe
912	TT Wire.exe
912	TT Wire.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	112	TT Wire.exe
Token: SeDebugPrivilege	912	TT Wire.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1072	112	TT Wire.exe	27
PID 112 wrote to memory of 1072	112	TT Wire.exe	27
PID 112 wrote to memory of 1072	112	TT Wire.exe	27
PID 112 wrote to memory of 1072	112	TT Wire.exe	27
PID 112 wrote to memory of 1020	112	TT Wire.exe	29
PID 112 wrote to memory of 1020	112	TT Wire.exe	29
PID 112 wrote to memory of 1020	112	TT Wire.exe	29
PID 112 wrote to memory of 1020	112	TT Wire.exe	29
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30
PID 112 wrote to memory of 912	112	TT Wire.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT Wire.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT Wire.exe

C:\Users\Admin\AppData\Local\Temp\TT Wire.exe
"C:\Users\Admin\AppData\Local\Temp\TT Wire.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BFKdBSyxg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF26B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1072
- C:\Users\Admin\AppData\Local\Temp\TT Wire.exe
  "{path}"
  2⤵
  PID:1020
- C:\Users\Admin\AppData\Local\Temp\TT Wire.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF26B.tmp

Filesize
1KB

MD5
e5ee4a66b3892788edc55edbc6c8a4a3

SHA1
de943b46ab2ca419ef36ce0deff7f09158646c7e

SHA256
674ddecccac0c2e58536441eae165949259c0c45190d705c2a6e0104dc0be6b1

SHA512
2fe2d2268c2940bba624b09a17604c3b1a02d3f26c7a1c6ec1e0a2ec760eb222287c6403e3bb21aec277415fcb7d8c2a5223f6bcf7509dd53baa35b0a11b05a5

Download Submit
memory/112-57-0x0000000004FF0000-0x0000000005074000-memory.dmp

Filesize
528KB

Download
memory/112-55-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/112-54-0x0000000000E20000-0x0000000000F00000-memory.dmp

Filesize
896KB

Download
memory/112-58-0x0000000000B70000-0x0000000000BAA000-memory.dmp

Filesize
232KB

Download
memory/112-56-0x0000000000470000-0x0000000000490000-memory.dmp

Filesize
128KB

Download
memory/912-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/912-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/912-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/912-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/912-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/912-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/912-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads