agenttesla | 25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561

General

Target

25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
Size

402KB
MD5

5d1e8d61a5b08b9b3c59a55bb960ce52
SHA1

ffcbd954e492154008ad9fd165a5aae9907dfc0b
SHA256

25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561
SHA512

36c30fbce9c99e08de5d643b51d4bbdff7e7f26dcffe87149e387b914fbd615e8c2f03d114a4f4e35e723c84f96c5b6e04d12be32006ccb25f8bebe6d930f2f4
SSDEEP

6144:9YF6GAORVTEcm/w9fiwFmG1OAV9I4GSbeBHwqEn2bqaU3xWYYJahywzG:9YMG319ibdAbNG4e5wmbq3hkvQG

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1990818097:AAEwom4DVSnyX5nLZhtvlrvCnmzUsVj23cE/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2636-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\abobexxx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\abobexxx\\abobexxx.exe"	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
2636	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
2636	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
Token: SeDebugPrivilege	2636	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2636	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 5008	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	100
PID 4044 wrote to memory of 5008	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	100
PID 4044 wrote to memory of 5008	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	100
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101
PID 4044 wrote to memory of 2636	4044	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe

C:\Users\Admin\AppData\Local\Temp\25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
"C:\Users\Admin\AppData\Local\Temp\25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Users\Admin\AppData\Local\Temp\25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
  "C:\Users\Admin\AppData\Local\Temp\25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe"
  2⤵
  PID:5008
- C:\Users\Admin\AppData\Local\Temp\25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe
  "C:\Users\Admin\AppData\Local\Temp\25c0fb71fc8bb0c4805caeb1426bc237cf9b3047beef62e1249dfe5c55a43561.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2636-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2636-23-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-22-0x0000000006600000-0x0000000006650000-memory.dmp

Filesize
320KB

Download
memory/2636-19-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-18-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-17-0x0000000006420000-0x0000000006486000-memory.dmp

Filesize
408KB

Download
memory/2636-16-0x0000000005960000-0x0000000005978000-memory.dmp

Filesize
96KB

Download
memory/2636-15-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-13-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-5-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/4044-10-0x00000000084D0000-0x0000000008530000-memory.dmp

Filesize
384KB

Download
memory/4044-9-0x0000000008570000-0x000000000860C000-memory.dmp

Filesize
624KB

Download
memory/4044-8-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-7-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/4044-14-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-6-0x0000000005B40000-0x0000000005B4E000-memory.dmp

Filesize
56KB

Download
memory/4044-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/4044-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-3-0x0000000005960000-0x00000000059F2000-memory.dmp

Filesize
584KB

Download
memory/4044-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/4044-1-0x0000000000EE0000-0x0000000000F4A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads