agenttesla | 46fcae3b6b6c7a56346b59c2c314c572b6420032d6fca0cf627923f3fc801d47

General

Target

Remittance.exe
Size

528KB
MD5

5748b9b19c0b360457a29cbb85f362cd
SHA1

758bd048d3ae308cbf79a39fb6ad9552509fb65b
SHA256

46fcae3b6b6c7a56346b59c2c314c572b6420032d6fca0cf627923f3fc801d47
SHA512

8f13a16a12663a9552535effac3516a154ea37eae2864056fc7c733f122b86afc188c3c0cb9eef7f5c5c59ef080c7750c28a94d47328c754c7fe250195c47aec
SSDEEP

6144:3cAfZdsbm57TkQMpHIYlej5TtqiK4byOXsG0UL19s18EETdO98EGWQCUwO1bLptF:3ZUbmtTf+IR5xbyOp0UHUpIPEGWQzL

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.experthvac.ro
Port:
21
Username:
[email protected]
Password:
-8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_

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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1324 set thread context of 3796	1324	Remittance.exe	100

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1324	Remittance.exe
1324	Remittance.exe
1324	Remittance.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	Remittance.exe
Token: SeDebugPrivilege	3796	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100
PID 1324 wrote to memory of 3796	1324	Remittance.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Remittance.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- 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
  - outlook_office_path
  - outlook_win_path
  PID:3796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1324-10-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/1324-7-0x0000000006300000-0x0000000006342000-memory.dmp

Filesize
264KB

Download
memory/1324-0-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1324-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/1324-4-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/1324-5-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/1324-6-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/1324-17-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1324-8-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/1324-12-0x00000000073C0000-0x00000000073C6000-memory.dmp

Filesize
24KB

Download
memory/1324-2-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/1324-1-0x0000000000F50000-0x0000000000FDA000-memory.dmp

Filesize
552KB

Download
memory/1324-9-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1324-13-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/1324-11-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/3796-23-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download
memory/3796-16-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3796-18-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download
memory/3796-19-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/3796-20-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/3796-21-0x0000000006B60000-0x0000000006D22000-memory.dmp

Filesize
1.8MB

Download
memory/3796-22-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3796-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

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