agenttesla | 55afc22fd4cacb818e83f41002374f0daa985ecceb62cf090575469be057f7b2

General

Target

original INV_PDF.exe
Size

699KB
MD5

d8770e0a7f9ee1a53bd4362532ecef3f
SHA1

50745b96bc64c065e8f66bc07589961c15f6ed21
SHA256

3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f
SHA512

e5c9a9b14eae8a3b1ab21634388676269ee1da130c8600bcfa78a31f3d48f7706db12cc499f47840843c63af4f6fa720196b96199738bd5af648abb40f1ed0b7
SSDEEP

12288:o3/T3/fVrTtK3/3gCgkhkNRIFzhx+xxyZAcI+KQoKJ/vY2Kcsxgdyi7V8Ane3/zt:orXVrTtK7tR+zyZNTKQoo/vY2exAyi7O

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.metalsbox.com
Port:
587
Username:
[email protected]
Password:
zxcA@@258963
Email To:
[email protected]

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 2800	1824	original INV_PDF.exe	30

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	original INV_PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	original INV_PDF.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2800	original INV_PDF.exe
2800	original INV_PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	original INV_PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2800	original INV_PDF.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30
PID 1824 wrote to memory of 2800	1824	original INV_PDF.exe	30

C:\Users\Admin\AppData\Local\Temp\original INV_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\original INV_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Local\Temp\original INV_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\original INV_PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2800

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

4

T1552

Credentials In Files

3

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

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1824-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1824-1-0x0000000000160000-0x0000000000210000-memory.dmp

Filesize
704KB

Download
memory/1824-2-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1824-3-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/1824-4-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1824-5-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1824-6-0x00000000005D0000-0x00000000005E6000-memory.dmp

Filesize
88KB

Download
memory/1824-7-0x00000000050B0000-0x0000000005132000-memory.dmp

Filesize
520KB

Download
memory/1824-19-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-20-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-21-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-22-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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