agenttesla | 1bb76901f992100d6b323a70b3324f4850aea1d069c3d956f344de94d93ebc33

Analysis

max time kernel
161s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 13:02

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General

Target

c99a0bb64cc818859f4902fd4ae7e2c3.exe
Size

922KB
MD5

c99a0bb64cc818859f4902fd4ae7e2c3
SHA1

eddd538e95e2cc45fad2aa182cc946fc39aa216a
SHA256

6fdbf010d593e3a490049da3e72a79e11e82e0f1a98bfc5b3ffd939f88482a87
SHA512

c868d7337fd4d084f55bfa0c417f22ee07ca8896fa7b778232bb31b2a5aeb61e2e30e0d784993c5e12aa2f01aee943689155de1046b925255266a71a8a84fb2f
SSDEEP

24576:F2oYiJNmEKUgBw7Flo7CgzXYCx1ojzYvq2Fv:F2oYiTmEKU0sgNXxvS2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.focuzauto.com
Port:
587
Username:
[email protected]
Password:
Gdn4ford@2016

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.focuzauto.com
Port:
587
Username:
[email protected]
Password:
Gdn4ford@2016
Email To:
[email protected]

Signatures

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

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	c99a0bb64cc818859f4902fd4ae7e2c3.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c99a0bb64cc818859f4902fd4ae7e2c3.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c99a0bb64cc818859f4902fd4ae7e2c3.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c99a0bb64cc818859f4902fd4ae7e2c3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4684 set thread context of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1512	c99a0bb64cc818859f4902fd4ae7e2c3.exe
1512	c99a0bb64cc818859f4902fd4ae7e2c3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	c99a0bb64cc818859f4902fd4ae7e2c3.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 2448	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	109
PID 4684 wrote to memory of 2448	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	109
PID 4684 wrote to memory of 2448	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	109
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111
PID 4684 wrote to memory of 1512	4684	c99a0bb64cc818859f4902fd4ae7e2c3.exe	111

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c99a0bb64cc818859f4902fd4ae7e2c3.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c99a0bb64cc818859f4902fd4ae7e2c3.exe

C:\Users\Admin\AppData\Local\Temp\c99a0bb64cc818859f4902fd4ae7e2c3.exe
"C:\Users\Admin\AppData\Local\Temp\c99a0bb64cc818859f4902fd4ae7e2c3.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\coisZJxTipvU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8999.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\c99a0bb64cc818859f4902fd4ae7e2c3.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8999.tmp

Filesize
1KB

MD5
ff468c3386f12aad404f6338f473970f

SHA1
ec62fb87b0c41da2b844b72ef8628239edc939d2

SHA256
b473598452a0cd3b4275dd79a53723dbd417b4f6e13a29a1b3fac9b58f9766c6

SHA512
1236fbb53e660b6851e3b53c4ba45d83eaf578dca6d4e4e9f5d9c0dd209a0272968ce7d432b953f16047e063bd67cbeee311ba5ae2fa91d6e1dc3893481f0c3a

Download Submit
memory/1512-24-0x0000000006030000-0x0000000006080000-memory.dmp

Filesize
320KB

Download
memory/1512-23-0x0000000004E60000-0x0000000004E70000-memory.dmp

Filesize
64KB

Download
memory/1512-22-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1512-21-0x00000000051E0000-0x0000000005246000-memory.dmp

Filesize
408KB

Download
memory/1512-20-0x0000000004E00000-0x0000000004E18000-memory.dmp

Filesize
96KB

Download
memory/1512-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1512-16-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4684-5-0x00000000057E0000-0x0000000005B34000-memory.dmp

Filesize
3.3MB

Download
memory/4684-6-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4684-10-0x0000000006320000-0x000000000632A000-memory.dmp

Filesize
40KB

Download
memory/4684-11-0x0000000006F90000-0x000000000704C000-memory.dmp

Filesize
752KB

Download
memory/4684-12-0x0000000005040000-0x00000000050B4000-memory.dmp

Filesize
464KB

Download
memory/4684-8-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/4684-7-0x00000000062F0000-0x0000000006300000-memory.dmp

Filesize
64KB

Download
memory/4684-9-0x00000000062F0000-0x0000000006300000-memory.dmp

Filesize
64KB

Download
memory/4684-19-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4684-0-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4684-4-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/4684-3-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download
memory/4684-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/4684-1-0x0000000000B60000-0x0000000000C4C000-memory.dmp

Filesize
944KB

Download