agenttesla | 675e5a2d1850dbf2fd2a6e99bc566e717a3b2221c7fe4c6c0ce28cd14e09f64e

General

Target

file.exe
Size

1.2MB
MD5

b0683925365bc31d28e77520b55a6175
SHA1

2ce8ad01ee917b1307eb706b33fcc7af7276612e
SHA256

675e5a2d1850dbf2fd2a6e99bc566e717a3b2221c7fe4c6c0ce28cd14e09f64e
SHA512

6272ff19d48d60a1477a5e06ac93dca854c49e9193fadd481e76419821fec68e0364e4c8991711f634e98ca990fc142efffdc8f082f7731641be41bff40fb0ad
SSDEEP

24576:e9ntG/qdOxaNr+TcSQwfKYQCXcgyQTEeNPDsDO:ms/qdOxaZsswSYQWPPAeNo

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server196.web-hosting.com
Port:
587
Username:
[email protected]
Password:
lagos@123
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

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

file.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	file.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.

Processes:

flow ioc

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

Processes:

file.exe

description pid process target process

PID 1752 set thread context of 1688 1752 file.exe file.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

file.exe

pid process

1688 file.exe
1688 file.exe
1688 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 1688 file.exe

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

description	pid	process	target process
PID 1752 set thread context of 1688	1752	file.exe	file.exe

pid	process
1688	file.exe
1688	file.exe
1688	file.exe

description	pid	process
Token: SeDebugPrivilege	1688	file.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

file.exe

description	pid	process	target process
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe
PID 1752 wrote to memory of 1688	1752	file.exe	file.exe

outlook_office_path 1 IoCs

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1688-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-66-0x0000000000437C8E-mapping.dmp

Download
memory/1688-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1752-55-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/1752-54-0x0000000000C30000-0x0000000000D62000-memory.dmp

Filesize
1.2MB

Download
memory/1752-59-0x0000000004A20000-0x0000000004A90000-memory.dmp

Filesize
448KB

Download
memory/1752-58-0x0000000006100000-0x00000000061AA000-memory.dmp

Filesize
680KB

Download
memory/1752-57-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/1752-56-0x00000000004B0000-0x00000000004C8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads