agenttesla | b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c

General

Target

b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
Size

644KB
MD5

b879cd6704b4407c21479a3ce1342c1b
SHA1

0cd2ca8132e54acc701375cdf8ca2ed4d0bd4ab1
SHA256

b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c
SHA512

7b9afcfe53f509633f2839e9a73d742956a45c6c98fe0143e039e50a1a9a6303c13d7ae70900a63794bdec6810322bb79422afcdb77169487ef48b3975017673
SSDEEP

12288:NUY/s0yMnHFwms+82k1eHIecCTb9ODqhT4IT3hTy+9vsHvVz/:j1nlwmL82k1eHqi6A0ITlyqGD

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.normagroup.com.tr
Port:
21
Username:
[email protected]
Password:
Qb.X[.j.Yfm[

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2092	powershell.exe

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 2080 set thread context of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2576	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
2576	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
2092	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
Token: SeDebugPrivilege	2092	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2576	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2092	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	28
PID 2080 wrote to memory of 2092	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	28
PID 2080 wrote to memory of 2092	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	28
PID 2080 wrote to memory of 2092	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	28
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30
PID 2080 wrote to memory of 2576	2080	b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe	30

C:\Users\Admin\AppData\Local\Temp\b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
"C:\Users\Admin\AppData\Local\Temp\b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2092
- C:\Users\Admin\AppData\Local\Temp\b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe
  "C:\Users\Admin\AppData\Local\Temp\b7251dc30788a0a2317d9e4b9241be495f4f408570e07689e49164631db9b01c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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 Information Discovery

1

T1082

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/2080-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2080-1-0x0000000000C40000-0x0000000000CE6000-memory.dmp

Filesize
664KB

Download
memory/2080-2-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-3-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2080-4-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-5-0x0000000000210000-0x0000000000222000-memory.dmp

Filesize
72KB

Download
memory/2080-6-0x0000000005360000-0x00000000053E4000-memory.dmp

Filesize
528KB

Download
memory/2080-21-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-20-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-19-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2576-24-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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