agenttesla | 5618efb4038198984ccca27de0dd5850a697038d9f0c2a9ad26b17bb26cc0f7b

General

Target

hesaphareket.exe
Size

956KB
MD5

f698edb1fcf31bb642bc2e18b3f05813
SHA1

b73dbfbedbe4bc7fad70def31c2bf94ec18ff992
SHA256

5618efb4038198984ccca27de0dd5850a697038d9f0c2a9ad26b17bb26cc0f7b
SHA512

1c5dac5b9ece2316e08ca770f918298be6da37ee2f44b076ae50c3f694b659fde9384077c0f39d598074936db93c068a9a3b66600e83acbaa4a8c8b6befaf30c
SSDEEP

24576:U5Orr6zCDzxWGXyFML1yUWf5ObxB7hPAycTy8s:AzC5WGXmMByUWf5q1Ayc

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:
ab+LNvim5PAo

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
2560	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 2440 set thread context of 2964	2440	hesaphareket.exe	32

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2964	hesaphareket.exe
2964	hesaphareket.exe
2560	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	hesaphareket.exe
Token: SeDebugPrivilege	2560	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2964	hesaphareket.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2560	2440	hesaphareket.exe	31
PID 2440 wrote to memory of 2560	2440	hesaphareket.exe	31
PID 2440 wrote to memory of 2560	2440	hesaphareket.exe	31
PID 2440 wrote to memory of 2560	2440	hesaphareket.exe	31
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32
PID 2440 wrote to memory of 2964	2440	hesaphareket.exe	32

C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- 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\hesaphareket.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2964

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/2440-22-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-1-0x0000000000CC0000-0x0000000000DB6000-memory.dmp

Filesize
984KB

Download
memory/2440-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2440-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2440-5-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-6-0x00000000052F0000-0x0000000005376000-memory.dmp

Filesize
536KB

Download
memory/2440-3-0x0000000000310000-0x0000000000322000-memory.dmp

Filesize
72KB

Download
memory/2964-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-23-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-24-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-27-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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