agenttesla | b528fb4eed7042c51b8ceea829129e945abcffd7b6c11eb00171e13cbf3b0e8d

General

Target

K.V.L. EUR 5,418.41 20230131144411-PDF.exe
Size

815KB
MD5

2acddc678ea970cfb45042c954b8a268
SHA1

e27c3436cb48d0b49adc30b19a5471d6960de709
SHA256

1fed6157fe887393791035cca1424ff56a3416202a55c58a6b44f902b6d5d873
SHA512

670e65b75b155dc63948d6d730f90e814c1c385ba26e04853dfa01070f52da3fa6ec6b4aa296adaf5c4de271ca3fbf2bb50e85456685270a9ecf0325b92f244e
SSDEEP

24576:+MqsFHlWxMiQW/O4ue7AjtsVNL2HzCBjHKP+M:yulYMiQWmS7WtMcHzCwP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.rediffrnail.com
Port:
587
Username:
[email protected]
Password:
VhQ)^ti5
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	K.V.L. EUR 5,418.41 20230131144411-PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	K.V.L. EUR 5,418.41 20230131144411-PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	K.V.L. EUR 5,418.41 20230131144411-PDF.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 2004 set thread context of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
520	powershell.exe
268	K.V.L. EUR 5,418.41 20230131144411-PDF.exe
268	K.V.L. EUR 5,418.41 20230131144411-PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	K.V.L. EUR 5,418.41 20230131144411-PDF.exe
Token: SeDebugPrivilege	520	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 520	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	28
PID 2004 wrote to memory of 520	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	28
PID 2004 wrote to memory of 520	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	28
PID 2004 wrote to memory of 520	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	28
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30
PID 2004 wrote to memory of 268	2004	K.V.L. EUR 5,418.41 20230131144411-PDF.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	K.V.L. EUR 5,418.41 20230131144411-PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	K.V.L. EUR 5,418.41 20230131144411-PDF.exe

C:\Users\Admin\AppData\Local\Temp\K.V.L. EUR 5,418.41 20230131144411-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\K.V.L. EUR 5,418.41 20230131144411-PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\K.V.L. EUR 5,418.41 20230131144411-PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:520
- C:\Users\Admin\AppData\Local\Temp\K.V.L. EUR 5,418.41 20230131144411-PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\K.V.L. EUR 5,418.41 20230131144411-PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

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

memory/268-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-74-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/268-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/268-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-73-0x00000000024A0000-0x00000000024E0000-memory.dmp

Filesize
256KB

Download
memory/2004-55-0x00000000020E0000-0x0000000002120000-memory.dmp

Filesize
256KB

Download
memory/2004-60-0x0000000004CC0000-0x0000000004CF2000-memory.dmp

Filesize
200KB

Download
memory/2004-59-0x0000000005EE0000-0x0000000005F4A000-memory.dmp

Filesize
424KB

Download
memory/2004-54-0x0000000000AA0000-0x0000000000B70000-memory.dmp

Filesize
832KB

Download
memory/2004-58-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/2004-57-0x00000000020E0000-0x0000000002120000-memory.dmp

Filesize
256KB

Download
memory/2004-56-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download

Analysis

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