agenttesla | 2713d5f063d131de0d8ab8c4768401364b4f512c7b79cf6ab14f8d596a725af2

General

Target

tmp.exe
Size

554KB
MD5

b8de74c80e48286027ad48d108989b89
SHA1

9cbf23aca943aefdc2e46b6447d91bcb98a2d1ce
SHA256

2713d5f063d131de0d8ab8c4768401364b4f512c7b79cf6ab14f8d596a725af2
SHA512

712c9e101b935508c22f5755da49c6497c9149e9f38a849f12c44bd3f2a982c79b04e4a532766066b2ff1c29f152ac790056491f6477c7c75d6fd0c3230d47f9
SSDEEP

12288:nyV7pLKc1PdCuP6onq92W9BkY87f6641fi:yvKctdCuTnOl9vUO1f

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
1234567

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
1234567
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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost# = "C:\\Users\\Admin\\AppData\\Roaming\\svchost#\\svchost#.exe"	tmp.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
33	api.ipify.org
34	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 808 set thread context of 4728	808	tmp.exe	90

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4728	tmp.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90
PID 808 wrote to memory of 4728	808	tmp.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4728

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tmp.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/808-139-0x0000000006F20000-0x0000000006FBC000-memory.dmp

Filesize
624KB

Download
memory/808-135-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/808-136-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download
memory/808-137-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/808-138-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/808-133-0x0000000000850000-0x00000000008E0000-memory.dmp

Filesize
576KB

Download
memory/808-134-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/4728-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4728-143-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/4728-144-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/4728-146-0x00000000075B0000-0x0000000007600000-memory.dmp

Filesize
320KB

Download
memory/4728-147-0x0000000007930000-0x0000000007AF2000-memory.dmp

Filesize
1.8MB

Download
memory/4728-154-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads