agenttesla | 6757fdf010a7f13414a4d7285597b0b7b950d7766bdc591c87ab4176ec15a477

Analysis

max time kernel
133s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 00:58

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General

Target

PO82107048.exe
Size

684KB
MD5

04e91a7f1546da0a85e5fc3fd8eaa999
SHA1

ab550405abd86070d515bc690bb5192e89d0902a
SHA256

8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7
SHA512

be04801af3deebc3d1fa52be8983124187b3c3fb3454a188fcf10e0de6f74fb9c976d592325528805b52fae5e9a37d49292d3248da22cc2849a85885448faff9
SSDEEP

12288:IIbWET/mr9K+22BEEzFatn/0jRgRvFY1lwlib+nKQzC3YnnbnepLTx7:tWtb3BEq1mYDXZonbYLTx7

Score

10^/10

agenttesla collection execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

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

Processes:

powershell.exe

pid process

1736 powershell.exe

pid	process
1736	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:

PO82107048.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	PO82107048.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO82107048.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82107048.exe
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82107048.exe
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82107048.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO82107048.exe

description pid process target process

PID 3180 set thread context of 3676 3180 PO82107048.exe PO82107048.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1736 powershell.exe
1736 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO82107048.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3676 PO82107048.exe
Token: SeDebugPrivilege 1736 powershell.exe

description	pid	process	target process
PID 3180 set thread context of 3676	3180	PO82107048.exe	PO82107048.exe

pid	process
1736	powershell.exe
1736	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3676	PO82107048.exe
Token: SeDebugPrivilege	1736	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO82107048.exe

description	pid	process	target process
PID 3180 wrote to memory of 1736	3180	PO82107048.exe	powershell.exe
PID 3180 wrote to memory of 1736	3180	PO82107048.exe	powershell.exe
PID 3180 wrote to memory of 1736	3180	PO82107048.exe	powershell.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe
PID 3180 wrote to memory of 3676	3180	PO82107048.exe	PO82107048.exe

outlook_office_path 1 IoCs

Processes:

PO82107048.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82107048.exe

outlook_win_path 1 IoCs

Processes:

PO82107048.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82107048.exe

C:\Users\Admin\AppData\Local\Temp\PO82107048.exe
"C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3180

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\PO82107048.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Users\Admin\AppData\Local\Temp\PO82107048.exe
"C:\Users\Admin\AppData\Local\Temp\PO82107048.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3676

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

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\__PSScriptPolicyTest_3pxjsg4o.0t5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1736-48-0x0000000007E70000-0x00000000084EA000-memory.dmp

Filesize
6.5MB

Download
memory/1736-49-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/1736-32-0x0000000005EC0000-0x0000000006214000-memory.dmp

Filesize
3.3MB

Download
memory/1736-61-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1736-56-0x0000000007B50000-0x0000000007B58000-memory.dmp

Filesize
32KB

Download
memory/1736-55-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/1736-54-0x0000000007A70000-0x0000000007A84000-memory.dmp

Filesize
80KB

Download
memory/1736-53-0x0000000007A60000-0x0000000007A6E000-memory.dmp

Filesize
56KB

Download
memory/1736-52-0x0000000007A30000-0x0000000007A41000-memory.dmp

Filesize
68KB

Download
memory/1736-51-0x0000000007AB0000-0x0000000007B46000-memory.dmp

Filesize
600KB

Download
memory/1736-50-0x00000000078A0000-0x00000000078AA000-memory.dmp

Filesize
40KB

Download
memory/1736-33-0x0000000006510000-0x000000000652E000-memory.dmp

Filesize
120KB

Download
memory/1736-21-0x0000000005550000-0x0000000005572000-memory.dmp

Filesize
136KB

Download
memory/1736-47-0x0000000007520000-0x00000000075C3000-memory.dmp

Filesize
652KB

Download
memory/1736-35-0x00000000074E0000-0x0000000007512000-memory.dmp

Filesize
200KB

Download
memory/1736-17-0x0000000002BE0000-0x0000000002C16000-memory.dmp

Filesize
216KB

Download
memory/1736-18-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1736-19-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1736-20-0x00000000056A0000-0x0000000005CC8000-memory.dmp

Filesize
6.2MB

Download
memory/1736-22-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download
memory/1736-46-0x0000000006AC0000-0x0000000006ADE000-memory.dmp

Filesize
120KB

Download
memory/1736-36-0x0000000070FF0000-0x000000007103C000-memory.dmp

Filesize
304KB

Download
memory/1736-34-0x00000000065A0000-0x00000000065EC000-memory.dmp

Filesize
304KB

Download
memory/3180-8-0x0000000002B30000-0x0000000002B40000-memory.dmp

Filesize
64KB

Download
memory/3180-6-0x0000000005430000-0x0000000005452000-memory.dmp

Filesize
136KB

Download
memory/3180-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

Filesize
5.6MB

Download
memory/3180-14-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/3180-4-0x0000000005280000-0x000000000528A000-memory.dmp

Filesize
40KB

Download
memory/3180-5-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/3180-0-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/3180-3-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/3180-7-0x0000000005310000-0x000000000531C000-memory.dmp

Filesize
48KB

Download
memory/3180-10-0x0000000010860000-0x00000000108FC000-memory.dmp

Filesize
624KB

Download
memory/3180-9-0x00000000065F0000-0x0000000006660000-memory.dmp

Filesize
448KB

Download
memory/3180-1-0x0000000000630000-0x00000000006E2000-memory.dmp

Filesize
712KB

Download
memory/3676-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3676-13-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/3676-15-0x0000000005060000-0x00000000050C6000-memory.dmp

Filesize
408KB

Download
memory/3676-57-0x00000000064D0000-0x0000000006520000-memory.dmp

Filesize
320KB

Download
memory/3676-59-0x00000000066F0000-0x00000000068B2000-memory.dmp

Filesize
1.8MB

Download
memory/3676-16-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/3676-62-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download