agenttesla | 2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a

General

Target

2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
Size

500KB
MD5

803209d566cd6e72a286b1a1e34b8033
SHA1

52cb8876449c2c25c0134a14d06566a35f5061fe
SHA256

2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a
SHA512

352af56edec02f551d755795b93cb96df6fb77ba5920207213d0f02abf5da502defeb96cc634f2e9af3190dc678ff330209d1ec4f68b7888652b7258f3d43578
SSDEEP

12288:1gtyo7MrKdhNIY+nZ0YfGcf6OVgbImp0Zpsq:1woe+ZZRfGcZ

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.tniexpressworldwide.com
Port:
587
Username:
[email protected]
Password:
DeEPFYi3

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/4644-13-0x0000000000400000-0x000000000043C000-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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97

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	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
4644	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
4644	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
Token: SeDebugPrivilege	4644	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97
PID 2860 wrote to memory of 4644	2860	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe

C:\Users\Admin\AppData\Local\Temp\2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
"C:\Users\Admin\AppData\Local\Temp\2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\2bd31a304caab1ae7b36af8d89119f435e0e9b4908e069247571ab63df7faa2a.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4644

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/2860-12-0x0000000009280000-0x00000000092BE000-memory.dmp

Filesize
248KB

Download
memory/2860-6-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/2860-2-0x0000000004F60000-0x0000000004FCC000-memory.dmp

Filesize
432KB

Download
memory/2860-3-0x0000000009970000-0x0000000009F14000-memory.dmp

Filesize
5.6MB

Download
memory/2860-4-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/2860-5-0x0000000005180000-0x000000000521C000-memory.dmp

Filesize
624KB

Download
memory/2860-11-0x0000000007200000-0x0000000007284000-memory.dmp

Filesize
528KB

Download
memory/2860-7-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/2860-8-0x0000000005370000-0x0000000005384000-memory.dmp

Filesize
80KB

Download
memory/2860-9-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/2860-1-0x0000000000490000-0x0000000000514000-memory.dmp

Filesize
528KB

Download
memory/2860-10-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/2860-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/2860-16-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4644-15-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4644-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4644-17-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4644-18-0x0000000006560000-0x0000000006578000-memory.dmp

Filesize
96KB

Download
memory/4644-19-0x0000000006610000-0x0000000006676000-memory.dmp

Filesize
408KB

Download
memory/4644-20-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4644-21-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4644-22-0x0000000005620000-0x0000000005670000-memory.dmp

Filesize
320KB

Download
memory/4644-23-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4644-24-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download

Analysis

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