agenttesla | 487c1fece9c21991edf8bdb1e5c4391caba01a5f0ebc952928112b0b0f8ee890

General

Target

fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe
Size

855KB
MD5

a9c1fd60dc8362a8a7f504d613b4f66a
SHA1

3337f85b2e148df0bc1e78d8ff244b259284c00e
SHA256

fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87
SHA512

3dfad862e7b5db03d04db8f9883a62e44d81e7bdcbcdc647af4218b8bfabdc2bde04082c6cc7c30d1afc44ebdc7ffca810c42490f5c97fc8d9c046308904b1a5
SSDEEP

12288:vE6NBSJ1F7wr+FEa9YsRXzWLTcEx5lAmKW9Xg3k:MySZ7RXycvW9Xkk

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.exceltruea.com
Port:
587
Username:
[email protected]
Password:
bl es si ng 2 0 2 3
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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
80	api.ipify.org
81	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 852 set thread context of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe
3776	RegSvcs.exe
3776	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe
Token: SeDebugPrivilege	3776	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88
PID 852 wrote to memory of 3776	852	fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe	88

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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe
"C:\Users\Admin\AppData\Local\Temp\fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/852-133-0x0000000000D40000-0x0000000000E1C000-memory.dmp

Filesize
880KB

Download
memory/852-134-0x00000000057E0000-0x000000000587C000-memory.dmp

Filesize
624KB

Download
memory/852-135-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/852-136-0x0000000005920000-0x00000000059B2000-memory.dmp

Filesize
584KB

Download
memory/852-137-0x0000000005B30000-0x0000000005B40000-memory.dmp

Filesize
64KB

Download
memory/852-138-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/852-139-0x0000000005AB0000-0x0000000005B06000-memory.dmp

Filesize
344KB

Download
memory/852-140-0x0000000005B30000-0x0000000005B40000-memory.dmp

Filesize
64KB

Download
memory/3776-141-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3776-143-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/3776-144-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/3776-145-0x0000000006AB0000-0x0000000006B00000-memory.dmp

Filesize
320KB

Download
memory/3776-146-0x0000000006CD0000-0x0000000006E92000-memory.dmp

Filesize
1.8MB

Download
memory/3776-147-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download

Analysis

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