agenttesla | 54640459e29ae0685e2a9981cb3bf57690623a1b4d3ce61aeee3c1fe6ac3a196

General

Target

2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Size

573KB
MD5

149b334f85bbd7a24ab55c53ab03ba8e
SHA1

de025845597e99ceaefbe481dcac1629134138ec
SHA256

54640459e29ae0685e2a9981cb3bf57690623a1b4d3ce61aeee3c1fe6ac3a196
SHA512

32904758695e6368d2fafb54ebf6d17e0d990cabe885a94aeaf59e46b8f1159e9d78d34234e2dcb181db75855e476c625aba2e989f02456820790c7d1fe96835
SSDEEP

12288:crtmE2OVIDRhIbCLm/A4xQ9ZYCuzNB0JfiwSdYSui8:c72NhIm6oxYxNsfiTdYSuV

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 4 IoCs

resource	yara_rule
behavioral1/memory/2308-7-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2308-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2308-4-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/2308-14-0x0000000000400000-0x000000000044B000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 2308	2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 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	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2308	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
2308	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2308	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2528	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	30
PID 2504 wrote to memory of 2528	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	30
PID 2504 wrote to memory of 2528	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	30
PID 2504 wrote to memory of 2528	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	30
PID 2504 wrote to memory of 2316	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	31
PID 2504 wrote to memory of 2316	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	31
PID 2504 wrote to memory of 2316	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	31
PID 2504 wrote to memory of 2316	2504	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	31
PID 2316 wrote to memory of 2308	2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	32
PID 2316 wrote to memory of 2308	2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	32
PID 2316 wrote to memory of 2308	2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	32
PID 2316 wrote to memory of 2308	2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	32
PID 2316 wrote to memory of 2308	2316	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
  "C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe"
  2⤵
  PID:2528
- C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
  "C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: RenamesItself
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/2308-10-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2308-26-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2308-13-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-8-0x0000000074791000-0x0000000074792000-memory.dmp

Filesize
4KB

Download
memory/2308-9-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-12-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2308-24-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-11-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2308-15-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-16-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2308-17-0x0000000001380000-0x0000000001415000-memory.dmp

Filesize
596KB

Download
memory/2316-3-0x00000000001D0000-0x00000000002D0000-memory.dmp

Filesize
1024KB

Download
memory/2504-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download

Analysis

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