agenttesla | 4a1fb344e8dfcaf7b270fff3827e5b36c4d7b6bb10a19bfa94925a24005017eb

Analysis

max time kernel
93s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 01:33

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General

Target

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
Size

778KB
MD5

4fd5ae8446fc97f481011ebe56bee23b
SHA1

438e310a2a92cc1d889c29dada25d9a15ffbf0eb
SHA256

6927f5860d17522a78a4e93599a9dc4230fa920f37665c5775250d02e18e9568
SHA512

f2fdb70e40f889e0bd86b6527e5ceb28a224e2cb0ec71c7192d5e6fb2c855a12510f109f6132521a877dd71c35d972990a5b19412bbea5d9034628cc1178fc36
SSDEEP

12288:j7jnKo7r7xDKW49kF9rIz38om4LsI0nF/dBhdRfviOxbCDTh5F:j7Wo7vNK9gNe8oBqF1TXfviW2Dt5

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

Processes:

powershell.exe

pid	Process
4964	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.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

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe

description	pid	Process	procid_target
PID 4660 set thread context of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96

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

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exeCN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepowershell.exe

pid	Process
1660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
1660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
4964	powershell.exe
4964	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
Token: SeDebugPrivilege	4964	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe

pid	Process
1660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe

description	pid	Process	procid_target
PID 4660 wrote to memory of 4964	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	94
PID 4660 wrote to memory of 4964	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	94
PID 4660 wrote to memory of 4964	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	94
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96
PID 4660 wrote to memory of 1660	4660	CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe	96

C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
"C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4660
- 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\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4964
- C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
  "C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_heqvd110.tn4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1660-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1660-36-0x00000000062F0000-0x0000000006340000-memory.dmp

Filesize
320KB

Download
memory/1660-18-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/1660-62-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/1660-15-0x0000000005510000-0x0000000005576000-memory.dmp

Filesize
408KB

Download
memory/1660-13-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4660-4-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/4660-8-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/4660-9-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4660-10-0x0000000006780000-0x0000000006804000-memory.dmp

Filesize
528KB

Download
memory/4660-7-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/4660-6-0x00000000066E0000-0x000000000677C000-memory.dmp

Filesize
624KB

Download
memory/4660-14-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4660-5-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4660-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/4660-3-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/4660-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/4660-1-0x00000000006D0000-0x0000000000798000-memory.dmp

Filesize
800KB

Download
memory/4964-22-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/4964-48-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/4964-21-0x0000000005300000-0x0000000005322000-memory.dmp

Filesize
136KB

Download
memory/4964-23-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4964-19-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4964-33-0x0000000005D80000-0x00000000060D4000-memory.dmp

Filesize
3.3MB

Download
memory/4964-34-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/4964-35-0x0000000006360000-0x00000000063AC000-memory.dmp

Filesize
304KB

Download
memory/4964-17-0x0000000005750000-0x0000000005D78000-memory.dmp

Filesize
6.2MB

Download
memory/4964-37-0x0000000007270000-0x00000000072A2000-memory.dmp

Filesize
200KB

Download
memory/4964-38-0x00000000703D0000-0x000000007041C000-memory.dmp

Filesize
304KB

Download
memory/4964-20-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4964-49-0x00000000072B0000-0x0000000007353000-memory.dmp

Filesize
652KB

Download
memory/4964-50-0x0000000007C30000-0x00000000082AA000-memory.dmp

Filesize
6.5MB

Download
memory/4964-51-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/4964-52-0x0000000007650000-0x000000000765A000-memory.dmp

Filesize
40KB

Download
memory/4964-53-0x0000000007860000-0x00000000078F6000-memory.dmp

Filesize
600KB

Download
memory/4964-54-0x00000000077E0000-0x00000000077F1000-memory.dmp

Filesize
68KB

Download
memory/4964-55-0x0000000007810000-0x000000000781E000-memory.dmp

Filesize
56KB

Download
memory/4964-56-0x0000000007820000-0x0000000007834000-memory.dmp

Filesize
80KB

Download
memory/4964-57-0x0000000007920000-0x000000000793A000-memory.dmp

Filesize
104KB

Download
memory/4964-58-0x0000000007900000-0x0000000007908000-memory.dmp

Filesize
32KB

Download
memory/4964-61-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4964-16-0x0000000002980000-0x00000000029B6000-memory.dmp

Filesize
216KB

Download