agenttesla | 0c3e2cb8486ccdc6e64b443642f107bfd93752f4bdbc566cc2cf8643aba6f8fe

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2023 02:05

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General

Target

Invoice #290202308.exe
Size

814KB
MD5

5f748b029a17817417949dda750cf225
SHA1

7a674c9b1c0c632f83bd27091bd769ea88daf215
SHA256

b63ed1999685c3144cb61f9091b54f33fbcf657f3ea910b11e57e5cf8f1bf2c7
SHA512

b879652156e2cbf7c248bb7bae0ee8dcf477564770f45c3b634dcca2e87d29b725ff2d50b4fbc0db806a3e8b829c50cdc5349968ddb3ddfafe74b060a823ae29
SSDEEP

12288:LkTcSEZMcd4LmzBaGuIvNtbKq+LoTQ7dyiqWMRK1jFlENQ/FBev+40s:6eIubueTb0cTQJyiaK1jql

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sirisexpress.com
Port:
587
Username:
[email protected]
Password:
SirisEmails@123
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Meijqxurpnn = "C:\\Users\\Admin\\AppData\\Roaming\\Meijqxurpnn.exe"	Invoice #290202308.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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3596 set thread context of 1352	3596	Invoice #290202308.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1352	MSBuild.exe
1352	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	Invoice #290202308.exe
Token: SeDebugPrivilege	1352	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85
PID 3596 wrote to memory of 1352	3596	Invoice #290202308.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Invoice #290202308.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice #290202308.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1352-1089-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/1352-1090-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1352-1091-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/1352-1092-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/1352-1093-0x00000000068F0000-0x0000000006940000-memory.dmp

Filesize
320KB

Download
memory/1352-1095-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/1352-1094-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3596-29-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-37-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-4-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/3596-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/3596-6-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3596-7-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/3596-8-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-9-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-11-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-13-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-15-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-17-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-19-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-21-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-23-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-25-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-27-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-2-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/3596-31-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-33-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-35-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

Filesize
584KB

Download
memory/3596-39-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-41-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-43-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-45-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-47-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-49-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-51-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-53-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-55-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-57-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-59-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-61-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-63-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-65-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-67-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-1-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3596-0-0x00000000003B0000-0x0000000000482000-memory.dmp

Filesize
840KB

Download
memory/3596-69-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-71-0x0000000007990000-0x0000000007A54000-memory.dmp

Filesize
784KB

Download
memory/3596-1084-0x0000000006E40000-0x0000000006E41000-memory.dmp

Filesize
4KB

Download
memory/3596-1088-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download