agenttesla | 09f71363eeae20550c65800031e142057ca1ebe52be382b0cdc4ad35d8ddba1e

General

Target

DOCUMENT.exe
Size

402KB
MD5

80a0e44a0b9428e5c1c22669de4199c2
SHA1

62a712d3b5ffcd9e63a4d91899b05c0fb11e03f3
SHA256

02a155cd37b9928135915cc0ca32e4bb683335d1bc1fadec09bd667917e2c734
SHA512

6a462ab876c1995bc8d1e42be965e31bedb395b831cddd3b8b0b1c68a0610a1efff0615d2baf630d924b03c27556ce763478bbda2a36e125b0b63b43024e8bb3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla Payload 15 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4444-146-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-151-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-160-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-158-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-157-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-155-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-152-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-149-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-147-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-144-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-145-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-143-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-142-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-141-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/4444-138-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

DOCUMENT.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	DOCUMENT.exe

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:

DOCUMENT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DOCUMENT.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Window Updater = "C:\\Users\\Admin\\AppData\\Roaming\\Window Updater\\Window Updater.exe"	DOCUMENT.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

35 checkip.amazonaws.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCUMENT.exe

description pid process target process

PID 412 set thread context of 4444 412 DOCUMENT.exe DOCUMENT.exe
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

Processes:

schtasks.exe

pid process

4836 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DOCUMENT.exeDOCUMENT.exe

pid process

412 DOCUMENT.exe
4444 DOCUMENT.exe
4444 DOCUMENT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOCUMENT.exeDOCUMENT.exe

description pid process

Token: SeDebugPrivilege 412 DOCUMENT.exe
Token: SeDebugPrivilege 4444 DOCUMENT.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DOCUMENT.exe

pid process

4444 DOCUMENT.exe

flow	ioc
35	checkip.amazonaws.com

description	pid	process	target process
PID 412 set thread context of 4444	412	DOCUMENT.exe	DOCUMENT.exe

pid	process
4836	schtasks.exe

pid	process
412	DOCUMENT.exe
4444	DOCUMENT.exe
4444	DOCUMENT.exe

description	pid	process
Token: SeDebugPrivilege	412	DOCUMENT.exe
Token: SeDebugPrivilege	4444	DOCUMENT.exe

pid	process
4444	DOCUMENT.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

DOCUMENT.exe

description	pid	process	target process
PID 412 wrote to memory of 4836	412	DOCUMENT.exe	schtasks.exe
PID 412 wrote to memory of 4836	412	DOCUMENT.exe	schtasks.exe
PID 412 wrote to memory of 4836	412	DOCUMENT.exe	schtasks.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe
PID 412 wrote to memory of 4444	412	DOCUMENT.exe	DOCUMENT.exe

outlook_office_path 1 IoCs

Processes:

DOCUMENT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe

outlook_win_path 1 IoCs

Processes:

DOCUMENT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCUMENT.exe

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:412

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FOjdepUxIdcc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFF9.tmp"
2⤵
- Creates scheduled task(s)
PID:4836

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4444

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOCUMENT.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBFF9.tmp
Filesize
1KB

MD5
b24ce5d4d27eb0282292e5ba9724892a

SHA1
40d7246f90e76219e5e5c2b9484e13fbe269343b

SHA256
1006d646a27c3809c94c08928f783707e46b960bbfb183e83eaf51c3652f710c

SHA512
84222d3907df348eb4e49c6d5682eb1045079b2b98f31d6b11c5834e99f106bed7f29e9d4860608bef018cb6fe72f586d3fab23f8f4bb6882895780fd6f0f46e

Download Submit
memory/412-130-0x0000000000820000-0x000000000088A000-memory.dmp

Filesize
424KB

Download
memory/412-131-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/412-132-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/412-133-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/412-134-0x0000000007E00000-0x0000000007E9C000-memory.dmp

Filesize
624KB

Download
memory/4444-157-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-147-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-160-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-158-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-137-0x0000000000000000-mapping.dmp

Download
memory/4444-155-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-144-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-145-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-143-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-142-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-141-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-162-0x0000000006A40000-0x0000000006A90000-memory.dmp

Filesize
320KB

Download
memory/4444-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4444-161-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/4836-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads