agenttesla | 23b733b80abf2a3de431fdc75ec1ce480c4352a92c97d5dba57a3a45cb1030fe

General

Target

82c72d1f6afd188285e2510da83364af2a686ffa.exe
Size

817KB
MD5

49c85634a86ddc630bf63c9a9f20b216
SHA1

82c72d1f6afd188285e2510da83364af2a686ffa
SHA256

23b733b80abf2a3de431fdc75ec1ce480c4352a92c97d5dba57a3a45cb1030fe
SHA512

2082a7dc9a6f73200ed8b4f5d46b6f32b3292b67cb16f2116c5b122922e80fab548f85d0fef2009a6a38fa6341f725267308a3ef10951165cde8cf9059acb1e9
SSDEEP

24576:kxeSqG4yPaKppo5TNrSOsez3ImX86F0xM:kaTS9ez4mXxWi

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.procorpadvisory.com
Port:
587
Username:
[email protected]
Password:
4n!chhbbZ~PO
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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	82c72d1f6afd188285e2510da83364af2a686ffa.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	82c72d1f6afd188285e2510da83364af2a686ffa.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	82c72d1f6afd188285e2510da83364af2a686ffa.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lANdBmK = "C:\\Users\\Admin\\AppData\\Roaming\\lANdBmK\\lANdBmK.exe"	82c72d1f6afd188285e2510da83364af2a686ffa.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
49	api.ipify.org
50	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	82c72d1f6afd188285e2510da83364af2a686ffa.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82
PID 2016 wrote to memory of 4892	2016	82c72d1f6afd188285e2510da83364af2a686ffa.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	82c72d1f6afd188285e2510da83364af2a686ffa.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	82c72d1f6afd188285e2510da83364af2a686ffa.exe

C:\Users\Admin\AppData\Local\Temp\82c72d1f6afd188285e2510da83364af2a686ffa.exe
"C:\Users\Admin\AppData\Local\Temp\82c72d1f6afd188285e2510da83364af2a686ffa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\82c72d1f6afd188285e2510da83364af2a686ffa.exe
  "C:\Users\Admin\AppData\Local\Temp\82c72d1f6afd188285e2510da83364af2a686ffa.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4892

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

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\82c72d1f6afd188285e2510da83364af2a686ffa.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2016-132-0x00000000001A0000-0x0000000000272000-memory.dmp

Filesize
840KB

Download
memory/2016-133-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/2016-134-0x0000000004C00000-0x0000000004C92000-memory.dmp

Filesize
584KB

Download
memory/2016-135-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

Filesize
40KB

Download
memory/2016-136-0x0000000000BF0000-0x0000000000C8C000-memory.dmp

Filesize
624KB

Download
memory/4892-138-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4892-140-0x0000000005370000-0x00000000053D6000-memory.dmp

Filesize
408KB

Download
memory/4892-141-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/4892-142-0x0000000007170000-0x0000000007332000-memory.dmp

Filesize
1.8MB

Download

Analysis

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