agenttesla | 8f2fccdb63062f6aae9189cb8fb4971e118dfa10fa07d9aa726f5ae089b058ac

General

Target

SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.15673.exe
Size

478KB
MD5

ab954cd6874d385822c5cbe6f24a198b
SHA1

4684bfb8b2384cdd1b45c21a2023d8749e08a7bf
SHA256

8f2fccdb63062f6aae9189cb8fb4971e118dfa10fa07d9aa726f5ae089b058ac
SHA512

29cc375d28ad2562f4e56136e94426e5c86d78b30a92eac2286c7b8b7bc82753a6005972c78b0119647852b85541496b73b9297d5e9deff75c69f390cd148c5c
SSDEEP

6144:ZweEVJSSiB/V8oqboYMxmnXYfr5G1GjmxOxZx3dqnJyTiOnlFifSlkdhOmdO1cS2:moqbNM8ITfdxXxFifx5O1Ux

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.360consultancyco.com
Port:
587
Username:
[email protected]
Password:
@360consultancyco.com

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
4900	asuqk.exe
3372	asuqk.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asuqk.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asuqk.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asuqk.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qouqaubawhbna = "C:\\Users\\Admin\\AppData\\Roaming\\fuhojr\\ybdpewf.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\asuqk.exe\""	asuqk.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4900 set thread context of 3372	4900	asuqk.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3372	asuqk.exe
3372	asuqk.exe
3372	asuqk.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4900	asuqk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	asuqk.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3372	asuqk.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 4900	2820	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.15673.exe	81
PID 2820 wrote to memory of 4900	2820	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.15673.exe	81
PID 2820 wrote to memory of 4900	2820	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.15673.exe	81
PID 4900 wrote to memory of 3372	4900	asuqk.exe	83
PID 4900 wrote to memory of 3372	4900	asuqk.exe	83
PID 4900 wrote to memory of 3372	4900	asuqk.exe	83
PID 4900 wrote to memory of 3372	4900	asuqk.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asuqk.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asuqk.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.15673.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.15673.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\asuqk.exe
  "C:\Users\Admin\AppData\Local\Temp\asuqk.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Users\Admin\AppData\Local\Temp\asuqk.exe
    "C:\Users\Admin\AppData\Local\Temp\asuqk.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:3372

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\asuqk.exe

Filesize
285KB

MD5
2d409b674590ad8d3f078b663e6e700c

SHA1
1f3b0fc277056411bdfeddd2ad33e753ecfc3558

SHA256
e813a613117bb5bcae8be176ea9116fe4884c558534a95fa6948fa949185a205

SHA512
9c7a18645d1a287abdf4b266bd7509c13303cc1609ad5071f001913a27d321b1b6e5a773718c60662f1a607a763c192c5f6c6166061c14e94c2c99b77bb6e137

Download Submit
C:\Users\Admin\AppData\Local\Temp\asuqk.exe

Filesize
285KB

MD5
2d409b674590ad8d3f078b663e6e700c

SHA1
1f3b0fc277056411bdfeddd2ad33e753ecfc3558

SHA256
e813a613117bb5bcae8be176ea9116fe4884c558534a95fa6948fa949185a205

SHA512
9c7a18645d1a287abdf4b266bd7509c13303cc1609ad5071f001913a27d321b1b6e5a773718c60662f1a607a763c192c5f6c6166061c14e94c2c99b77bb6e137

Download Submit
C:\Users\Admin\AppData\Local\Temp\asuqk.exe

Filesize
285KB

MD5
2d409b674590ad8d3f078b663e6e700c

SHA1
1f3b0fc277056411bdfeddd2ad33e753ecfc3558

SHA256
e813a613117bb5bcae8be176ea9116fe4884c558534a95fa6948fa949185a205

SHA512
9c7a18645d1a287abdf4b266bd7509c13303cc1609ad5071f001913a27d321b1b6e5a773718c60662f1a607a763c192c5f6c6166061c14e94c2c99b77bb6e137

Download Submit
C:\Users\Admin\AppData\Local\Temp\ritwjtodd.mv

Filesize
296KB

MD5
8de31a4f2b60885876fa6e7af62c8381

SHA1
e07b2341d85c38f59ebdaf51b65cb59242b19b86

SHA256
6f7f83d31abf05441d0f3698316a1bb3e34b6f70973348feb6a513cf5881a196

SHA512
6c2217c26b17b11c99e7345d241c1ee45d14cad897d090121c30eca52437dfd2a131eda31377e3404bfb5935073e12ebb09ff3fb13cd2776b0a9dce0501433c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ttfymtd.aic

Filesize
7KB

MD5
0215cb2be3cbb95f9122808326bd20fd

SHA1
6014753d3c06fd4c5b080c882f5acd0bbcc584ab

SHA256
585e02d34df08ed13921f57e4607e6f4504900e688b1bdae0d8a51bdb071804b

SHA512
9f53dc25549bc32559e845b517b3c444d5c8977d480f00a257b5953b2f9080f34a4262376bf4bcb76ccd3fec3ee4ddef5a965597bea0812e6f80dbf005bcc700

Download Submit
memory/3372-139-0x0000000004AC0000-0x0000000005064000-memory.dmp

Filesize
5.6MB

Download
memory/3372-140-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3372-141-0x0000000004A00000-0x0000000004A9C000-memory.dmp

Filesize
624KB

Download
memory/3372-142-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/3372-143-0x0000000006250000-0x00000000062A0000-memory.dmp

Filesize
320KB

Download
memory/3372-144-0x0000000006350000-0x00000000063E2000-memory.dmp

Filesize
584KB

Download
memory/3372-145-0x0000000006710000-0x000000000671A000-memory.dmp

Filesize
40KB

Download

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