agenttesla | d50faa86234469eb85697aee14b7b16b55caca5c0d1229fc0c5904410ddbf1db

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 09:16

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General

Target

Vessel's details_pdf.scr.exe
Size

640KB
MD5

61217d7c7664881d1d97df8a3c539cc4
SHA1

c6f020de1f91d2e82883ad60056429f9ef20684a
SHA256

d50faa86234469eb85697aee14b7b16b55caca5c0d1229fc0c5904410ddbf1db
SHA512

aec3b2061111850e384e847720cf572291d7e9eed8a012345ba34ac855396e1422ce9b8362efe85d857daf08cb63d9df0397daa7d127e08b62ab85fa7cb4a028
SSDEEP

12288:S0gFxlwGD/ERhZ3YtrWPciSFxUTjKjdAwDxnmYXuFGDDhXH:i7zMhhur1iSOjsdAMxmIAO

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://cash4cars.nz
Port:
21
Username:
[email protected]
Password:
-[([pqM~nGA4

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1836	powershell.exe
2736	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Vessel's details_pdf.scr.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 2 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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 3660	4724	Vessel's details_pdf.scr.exe	99

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 5 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	Vessel's details_pdf.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel's details_pdf.scr.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4724	Vessel's details_pdf.scr.exe
1836	powershell.exe
2736	powershell.exe
4724	Vessel's details_pdf.scr.exe
3660	Vessel's details_pdf.scr.exe
3660	Vessel's details_pdf.scr.exe
2736	powershell.exe
1836	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4724	Vessel's details_pdf.scr.exe
Token: SeDebugPrivilege	1836	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	3660	Vessel's details_pdf.scr.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 1836	4724	Vessel's details_pdf.scr.exe	93
PID 4724 wrote to memory of 1836	4724	Vessel's details_pdf.scr.exe	93
PID 4724 wrote to memory of 1836	4724	Vessel's details_pdf.scr.exe	93
PID 4724 wrote to memory of 2736	4724	Vessel's details_pdf.scr.exe	95
PID 4724 wrote to memory of 2736	4724	Vessel's details_pdf.scr.exe	95
PID 4724 wrote to memory of 2736	4724	Vessel's details_pdf.scr.exe	95
PID 4724 wrote to memory of 5108	4724	Vessel's details_pdf.scr.exe	97
PID 4724 wrote to memory of 5108	4724	Vessel's details_pdf.scr.exe	97
PID 4724 wrote to memory of 5108	4724	Vessel's details_pdf.scr.exe	97
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99
PID 4724 wrote to memory of 3660	4724	Vessel's details_pdf.scr.exe	99

C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724
- 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\Vessel's details_pdf.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1836
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mtZujz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtZujz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE9D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5108
- C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
28854213fdaa59751b2b4cfe772289cc

SHA1
fa7058052780f4b856dc2d56b88163ed55deb6ab

SHA256
7c65fe71d47e0de69a15b95d1ee4b433c07a1d6f00f37dd32aee3666bb84a915

SHA512
1e2c928242bdef287b1e8afe8c37427cfd3b7a83c37d4e00e45bcbaa38c9b0bf96f869a062c9bc6bb58ecd36e687a69b21d5b07803e6615a9b632922c1c5ace4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
9d5ca1c6e6f05448710d2de228a93fd1

SHA1
ab8f9c53e7ee25dac6783b36aed472623dc39bdb

SHA256
14926b624e59466e2cc9e22fb4d62aab98aa85a351200ecd6da127623895d0b4

SHA512
f140e89fe9e7b76add70bc33f433af9e0a34a31ff26103634bf83152f98db6292c4bcc0a209f5f13bebaa0c5d433714a1bab5d532bac8626195cfe5a1ae7ff2b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zytgwu4m.g2w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBE9D.tmp

Filesize
1KB

MD5
d726684e0c4fb82bf395fe860552b619

SHA1
cb7d50f0bc5a5e1af4b1a82d943d158eec7d5c18

SHA256
185604cc433d3f7e5643ffb6905b984617f868285f3411628d772d08949ab16e

SHA512
5b79b0f9066ebb8c355addf5b7924ea5463b6ca2b9dac6edb050982294cc9000b6021dcb7ea68ef9e64a9a49be6950e6231e8a1c42f3caf9b37ecda6e58edfb1

Download Submit
memory/1836-67-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1836-46-0x0000000005EC0000-0x0000000006214000-memory.dmp

Filesize
3.3MB

Download
memory/1836-25-0x0000000005DE0000-0x0000000005E46000-memory.dmp

Filesize
408KB

Download
memory/1836-23-0x00000000056D0000-0x00000000056F2000-memory.dmp

Filesize
136KB

Download
memory/1836-26-0x0000000005E50000-0x0000000005EB6000-memory.dmp

Filesize
408KB

Download
memory/1836-18-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1836-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1836-15-0x0000000002B90000-0x0000000002BC6000-memory.dmp

Filesize
216KB

Download
memory/1836-16-0x00000000057B0000-0x0000000005DD8000-memory.dmp

Filesize
6.2MB

Download
memory/1836-17-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-24-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-72-0x0000000006F90000-0x0000000006F9E000-memory.dmp

Filesize
56KB

Download
memory/2736-20-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-21-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-80-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-75-0x0000000007080000-0x0000000007088000-memory.dmp

Filesize
32KB

Download
memory/2736-74-0x00000000070A0000-0x00000000070BA000-memory.dmp

Filesize
104KB

Download
memory/2736-73-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

Filesize
80KB

Download
memory/2736-71-0x0000000006F60000-0x0000000006F71000-memory.dmp

Filesize
68KB

Download
memory/2736-70-0x0000000006FE0000-0x0000000007076000-memory.dmp

Filesize
600KB

Download
memory/2736-69-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

Filesize
40KB

Download
memory/2736-68-0x0000000006D60000-0x0000000006D7A000-memory.dmp

Filesize
104KB

Download
memory/2736-66-0x00000000073A0000-0x0000000007A1A000-memory.dmp

Filesize
6.5MB

Download
memory/2736-49-0x0000000005A30000-0x0000000005A4E000-memory.dmp

Filesize
120KB

Download
memory/2736-50-0x0000000005A70000-0x0000000005ABC000-memory.dmp

Filesize
304KB

Download
memory/2736-52-0x0000000074CA0000-0x0000000074CEC000-memory.dmp

Filesize
304KB

Download
memory/2736-51-0x0000000006BD0000-0x0000000006C02000-memory.dmp

Filesize
200KB

Download
memory/2736-63-0x0000000006C10000-0x0000000006CB3000-memory.dmp

Filesize
652KB

Download
memory/2736-62-0x0000000006B90000-0x0000000006BAE000-memory.dmp

Filesize
120KB

Download
memory/3660-45-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3660-76-0x00000000069C0000-0x0000000006A10000-memory.dmp

Filesize
320KB

Download
memory/4724-10-0x0000000008E40000-0x0000000008EDC000-memory.dmp

Filesize
624KB

Download
memory/4724-4-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/4724-5-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4724-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4724-48-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4724-6-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/4724-7-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4724-8-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4724-3-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/4724-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/4724-1-0x0000000000740000-0x00000000007E6000-memory.dmp

Filesize
664KB

Download
memory/4724-9-0x00000000068A0000-0x0000000006922000-memory.dmp

Filesize
520KB

Download