agenttesla | 27ff307b514230b2363e2284e1d57df50bc8a59b5cf8c732dc32d5587d472c64

General

Target

hesaphareketi__20241001.exe
Size

700KB
MD5

5eaafeca7053687b46ecffad93c82418
SHA1

457566502545fecd8ea9f2249b755135cd03b69b
SHA256

27ff307b514230b2363e2284e1d57df50bc8a59b5cf8c732dc32d5587d472c64
SHA512

2f05d5e83132e75aa92b629c5ea8147be87ab7818a08d847ffbd4d688f86fcf68b50ebbe9796952140f3fcb0b31f1726b51e4a6cb1aada2b2d59da1cd74482e1
SSDEEP

12288:jeKw3uC2FoKHj3920VH89VuXdJlAVPQTiOR76+yt8j6KGtm2fv6msi:xw/cVHbQ0V1VcPQebbG6IwCK

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

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
1624	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 1976 set thread context of 3060	1976	hesaphareketi__20241001.exe	33

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	hesaphareketi__20241001.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hesaphareketi__20241001.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3060	hesaphareketi__20241001.exe
3060	hesaphareketi__20241001.exe
1624	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	hesaphareketi__20241001.exe
Token: SeDebugPrivilege	1624	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3060	hesaphareketi__20241001.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1624	1976	hesaphareketi__20241001.exe	31
PID 1976 wrote to memory of 1624	1976	hesaphareketi__20241001.exe	31
PID 1976 wrote to memory of 1624	1976	hesaphareketi__20241001.exe	31
PID 1976 wrote to memory of 1624	1976	hesaphareketi__20241001.exe	31
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33
PID 1976 wrote to memory of 3060	1976	hesaphareketi__20241001.exe	33

C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- 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\hesaphareketi__20241001.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1624
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi__20241001.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3060

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/1976-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/1976-1-0x0000000000D70000-0x0000000000E26000-memory.dmp

Filesize
728KB

Download
memory/1976-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1976-3-0x0000000000530000-0x000000000054E000-memory.dmp

Filesize
120KB

Download
memory/1976-4-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/1976-5-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1976-6-0x0000000000920000-0x00000000009A2000-memory.dmp

Filesize
520KB

Download
memory/1976-25-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/3060-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3060-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-24-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/3060-23-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/3060-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3060-28-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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