agenttesla | 1ce24db77fddb5022011d0407f93d6217b84ad6e18bf9be127bd8d2808423b73

Analysis

max time kernel
134s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23/05/2023, 10:09

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General

Target

INTERNETCACHE.exe
Size

681KB
MD5

d29f7f2967179adb21e755ef4e2fb713
SHA1

cb4f893ae6c02fd6ea734661149d28f321afadf2
SHA256

1ce24db77fddb5022011d0407f93d6217b84ad6e18bf9be127bd8d2808423b73
SHA512

19e0c6262d14a8394aeaa5caefe84da356197fe07807bf29016ea24012f20b718e43b0cbc6ff074002e974f0533a0a9836fd73aceea229b32eafe5c52a0b7094
SSDEEP

12288:CiTB2QwWASA359TWdc7qN+J8Z8OkJ744qs9dH:X5LaFWdj+6Z8OP4qs

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/

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-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
14	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 2248	1996	INTERNETCACHE.exe	84

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1996	INTERNETCACHE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	INTERNETCACHE.exe
Token: SeDebugPrivilege	2248	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84
PID 1996 wrote to memory of 2248	1996	INTERNETCACHE.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\INTERNETCACHE.exe
"C:\Users\Admin\AppData\Local\Temp\INTERNETCACHE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1996-133-0x0000000000ED0000-0x0000000000F80000-memory.dmp

Filesize
704KB

Download
memory/1996-134-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/1996-135-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/1996-136-0x0000000005A50000-0x0000000005AEC000-memory.dmp

Filesize
624KB

Download
memory/1996-137-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/1996-138-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/1996-139-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/2248-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2248-142-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/2248-143-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download
memory/2248-144-0x0000000006CC0000-0x0000000006D10000-memory.dmp

Filesize
320KB

Download
memory/2248-145-0x0000000006EE0000-0x00000000070A2000-memory.dmp

Filesize
1.8MB

Download
memory/2248-146-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download