agenttesla | e068262e4c1807050558428bab480871a43ceb983ab6c427454ffcb1a205aafa

General

Target

z15Payment27_06_2023.exe
Size

644KB
MD5

321850c5a150f6fa4adab3b1772169f3
SHA1

65311a6c52e86cdc07bbc4897defb46d79f26698
SHA256

e068262e4c1807050558428bab480871a43ceb983ab6c427454ffcb1a205aafa
SHA512

80934ca8ce8e579fd670a583950ac17dcb58c399a877375ae4a815958ecdda6e2c22a06e78504f119ee6e9099534c11c56d5154bfb82e853882269bd43f1ce9a
SSDEEP

12288:A2iNMyiRJU/Wcuf+w/FltbzfJSTROpto1WASZZyE/NrqzZhnDENgTUcxSj0p6:A1FFeNT/FlpqROpkWA+d/NrcZN4sSjO6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.kiequiprosmedicos.com
Port:
587
Username:
[email protected]
Password:
V3nta5dav
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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.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 1964 set thread context of 2676	1964	z15Payment27_06_2023.exe	30

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
1964	z15Payment27_06_2023.exe
2676	z15Payment27_06_2023.exe
2676	z15Payment27_06_2023.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	z15Payment27_06_2023.exe
Token: SeDebugPrivilege	2676	z15Payment27_06_2023.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30
PID 1964 wrote to memory of 2676	1964	z15Payment27_06_2023.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe

C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe
"C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe
  "C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1964-0-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1964-1-0x0000000000980000-0x0000000000A28000-memory.dmp

Filesize
672KB

Download
memory/1964-2-0x0000000004E20000-0x0000000004E60000-memory.dmp

Filesize
256KB

Download
memory/1964-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1964-4-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1964-5-0x0000000004E20000-0x0000000004E60000-memory.dmp

Filesize
256KB

Download
memory/1964-6-0x0000000000290000-0x000000000029C000-memory.dmp

Filesize
48KB

Download
memory/1964-7-0x0000000005060000-0x00000000050DC000-memory.dmp

Filesize
496KB

Download
memory/1964-20-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2676-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-24-0x0000000074860000-0x0000000074F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-25-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Filesize
256KB

Download
memory/2676-26-0x0000000074860000-0x0000000074F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-27-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Filesize
256KB

Download

Analysis

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