agenttesla | ed9248192c85ed4a3053e0c5bf1763cb1e39ed9514122a29542e439461c89f9b

General

Target

8bf173aff4199d406af58097f9a02434.exe
Size

727KB
MD5

8bf173aff4199d406af58097f9a02434
SHA1

95bf3e1a2ba4c7b7992e4aa7e3291fca187b50a8
SHA256

ed9248192c85ed4a3053e0c5bf1763cb1e39ed9514122a29542e439461c89f9b
SHA512

ff3436ff08dd861b8868f996e548337ef5b644fe3e2dbb007e925fda6f26740382c81e01d19ba7dc8387ed594a3c0bf408f8e535e0874a4783fed85fa9a16b65
SSDEEP

12288:vf1Z6SljSn+1fyjVsjQbM+AqVX5zspuvwQ:n1Z5PfyjG8I+PzYKwQ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidcheckng.com
Port:
587
Username:
[email protected]
Password:
@Rapidcheckng#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8bf173aff4199d406af58097f9a02434.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8bf173aff4199d406af58097f9a02434.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8bf173aff4199d406af58097f9a02434.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
43	api.ipify.org
44	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4864	8bf173aff4199d406af58097f9a02434.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	8bf173aff4199d406af58097f9a02434.exe
Token: SeDebugPrivilege	1584	8bf173aff4199d406af58097f9a02434.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.exe	88
PID 4864 wrote to memory of 1584	4864	8bf173aff4199d406af58097f9a02434.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	8bf173aff4199d406af58097f9a02434.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	8bf173aff4199d406af58097f9a02434.exe

C:\Users\Admin\AppData\Local\Temp\8bf173aff4199d406af58097f9a02434.exe
"C:\Users\Admin\AppData\Local\Temp\8bf173aff4199d406af58097f9a02434.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\8bf173aff4199d406af58097f9a02434.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8bf173aff4199d406af58097f9a02434.exe.log

Filesize
1KB

MD5
bb3d30439ec1e6435c3eac4df8c1d2e3

SHA1
c901d5946e53ae0a9e2417c8dfaf5786a0037422

SHA256
182adf89e57f80a92db9a5e13105cd59544f37855ca35f98116a0182ddd3b2e6

SHA512
d3547aadf665ce2552b3dfa350b80a5e813aa346870fb2b05a3b998096eebf563143bffe964e0f7243761b79420d1adf02f735779902901d1a41a1f35c557572

Download Submit
memory/1584-141-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1584-148-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/1584-147-0x00000000075C0000-0x0000000007782000-memory.dmp

Filesize
1.8MB

Download
memory/1584-146-0x0000000007390000-0x00000000073E0000-memory.dmp

Filesize
320KB

Download
memory/1584-145-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/1584-144-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4864-136-0x0000000004D40000-0x0000000004DD2000-memory.dmp

Filesize
584KB

Download
memory/4864-140-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4864-139-0x0000000004F40000-0x0000000004F96000-memory.dmp

Filesize
344KB

Download
memory/4864-138-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/4864-137-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4864-133-0x00000000001D0000-0x000000000028C000-memory.dmp

Filesize
752KB

Download
memory/4864-135-0x0000000005250000-0x00000000057F4000-memory.dmp

Filesize
5.6MB

Download
memory/4864-134-0x0000000004C00000-0x0000000004C9C000-memory.dmp

Filesize
624KB

Download

Analysis

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