agenttesla | 466fdb188d0606dc985d5fd8ff6510566d55741ed4874872a04473135ec2f9ce

General

Target

sydney.exe
Size

632KB
MD5

22f586f44c42f4391e56f4fa69a4a15f
SHA1

e65b058c4e70cd00d589182aa3000f13985bd647
SHA256

466fdb188d0606dc985d5fd8ff6510566d55741ed4874872a04473135ec2f9ce
SHA512

e65ac28edd7dbadf65117c98ba342fabd4d005a34f807162181baabd9f0bb884c47be922853acf4fa514a1ba34bb192e8cd80548ad831561a44f9e326450ae92
SSDEEP

12288:u52iNXuldrjZekhfaYZbgP2d0aahqEYfVNO/:c1FulhZeUf97pahUVN

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sh003.webhostbox.net
Port:
587
Username:
[email protected]
Password:
olu chu kwu 554
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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sydney.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sydney.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sydney.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
32	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4240 set thread context of 4656	4240	sydney.exe	89

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4240	sydney.exe
4240	sydney.exe
4240	sydney.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4240	sydney.exe
Token: SeDebugPrivilege	4656	sydney.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 3976	4240	sydney.exe	88
PID 4240 wrote to memory of 3976	4240	sydney.exe	88
PID 4240 wrote to memory of 3976	4240	sydney.exe	88
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89
PID 4240 wrote to memory of 4656	4240	sydney.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sydney.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	sydney.exe

C:\Users\Admin\AppData\Local\Temp\sydney.exe
"C:\Users\Admin\AppData\Local\Temp\sydney.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Users\Admin\AppData\Local\Temp\sydney.exe
  "{path}"
  2⤵
  PID:3976
- C:\Users\Admin\AppData\Local\Temp\sydney.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4656

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

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Downloads

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

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/4240-136-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/4240-134-0x0000000004FB0000-0x000000000504C000-memory.dmp

Filesize
624KB

Download
memory/4240-133-0x0000000000540000-0x00000000005E4000-memory.dmp

Filesize
656KB

Download
memory/4240-137-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

Filesize
40KB

Download
memory/4240-138-0x0000000005190000-0x00000000051E6000-memory.dmp

Filesize
344KB

Download
memory/4240-139-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4240-140-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4240-135-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4656-141-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4656-144-0x0000000005310000-0x0000000005376000-memory.dmp

Filesize
408KB

Download
memory/4656-145-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/4656-146-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/4656-147-0x0000000006C60000-0x0000000006CB0000-memory.dmp

Filesize
320KB

Download
memory/4656-148-0x0000000006E80000-0x0000000007042000-memory.dmp

Filesize
1.8MB

Download

Analysis

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