agenttesla | f2179971d7a45be56da4188b09ef676fea06722eadfea5065694ac70f4c7ecce

General

Target
new Purchase Order.exe
Size 481KB
Sample211222-lbbqaagacj
SHA256 f2179971d7a45be56da4188b09ef676fea06722eadfea5065694ac70f4c7ecce
MD5 e4a8224a67c3aa0329eb39f9d9f09615
SHA1 d79221437ee2e9edaf4f7cfc873cf0de3bb7903c
SHA512 1dcbc5b1a928c083a87ecc99c875c7a1769d5226f6c6326acf2fc469c09bc02c5906a7128eedbf8ec67dd162a804c8bf7aff7347c4c20636bba999cd17fb2367
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.demo.jeninfo.com
Port
587
Username
[email protected]
Password
%e&qapQ3oNkx

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1452-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1452-125-0x00000000004376DE-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	new Purchase Order.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new Purchase Order.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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	new Purchase Order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 1452	2520	new Purchase Order.exe	69

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1452	new Purchase Order.exe
1452	new Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	new Purchase Order.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69
PID 2520 wrote to memory of 1452	2520	new Purchase Order.exe	69

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new Purchase Order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\new Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\new Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\new Purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\new Purchase Order.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1452

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/1452-124-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1452-136-0x00000000054C1000-0x00000000054C2000-memory.dmp

Download

memory/1452-133-0x00000000061B0000-0x00000000061B1000-memory.dmp

Download

memory/1452-132-0x0000000005640000-0x0000000005641000-memory.dmp

Download

memory/1452-131-0x00000000054C0000-0x00000000054C1000-memory.dmp

Download

memory/2520-119-0x0000000005430000-0x0000000005431000-memory.dmp

Download

memory/2520-123-0x0000000008EE0000-0x0000000008F4B000-memory.dmp

Download

memory/2520-122-0x00000000056A0000-0x00000000056A8000-memory.dmp

Download

memory/2520-121-0x0000000008AD0000-0x0000000008AD1000-memory.dmp

Download

memory/2520-120-0x0000000005560000-0x0000000005A5E000-memory.dmp

Download

memory/2520-115-0x0000000000A50000-0x0000000000A51000-memory.dmp

Download

memory/2520-118-0x0000000005460000-0x0000000005461000-memory.dmp

Download

memory/2520-117-0x0000000005A60000-0x0000000005A61000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads