agenttesla | 276f9055909174b4cf05748f028a3f0cf9c33bc371200b1d0e9c366a1b92e003

General

Target

Quotation - 00645.exe
Size

811KB
MD5

42f4ad74b08ac8e44928083706bc422a
SHA1

6e7082c542a8a1ed54fa7287d163e64eba98ee4f
SHA256

ba38c374f40119a4acbdab2bc171043b87bae2d299b2628f2a02da87e851c97f
SHA512

a281a626525da1db4b166711e7cbc23e76ce7bcfaf9d8e5f550461b9b7016bd834961ee2824134334c20c011434c61b8b5a44d3e9e8d875c8380883f3adfafad
SSDEEP

12288:08ps2o+FgfSy9Sm9LrvwJhlfydchnczs04mIXeY14:08pHhdy9SBffjhcoZhV1

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2664-16-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2664-14-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2664-12-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2664-9-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2664-8-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

2348 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 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

pid	process
2348	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Quotation - 00645.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation - 00645.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation - 00645.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation - 00645.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation - 00645.exe

description pid process target process

PID 2488 set thread context of 2664 2488 Quotation - 00645.exe Quotation - 00645.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2348 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation - 00645.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2664 Quotation - 00645.exe
Token: SeDebugPrivilege 2348 powershell.exe

description	pid	process	target process
PID 2488 set thread context of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe

pid	process
2348	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2664	Quotation - 00645.exe
Token: SeDebugPrivilege	2348	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Quotation - 00645.exe

description	pid	process	target process
PID 2488 wrote to memory of 2348	2488	Quotation - 00645.exe	powershell.exe
PID 2488 wrote to memory of 2348	2488	Quotation - 00645.exe	powershell.exe
PID 2488 wrote to memory of 2348	2488	Quotation - 00645.exe	powershell.exe
PID 2488 wrote to memory of 2348	2488	Quotation - 00645.exe	powershell.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe
PID 2488 wrote to memory of 2664	2488	Quotation - 00645.exe	Quotation - 00645.exe

outlook_office_path 1 IoCs

Processes:

Quotation - 00645.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation - 00645.exe

outlook_win_path 1 IoCs

Processes:

Quotation - 00645.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation - 00645.exe

C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2488

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\Quotation - 00645.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2348

C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation - 00645.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2664

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2488-17-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-1-0x0000000000D70000-0x0000000000E42000-memory.dmp

Filesize
840KB

Download
memory/2488-2-0x00000000004D0000-0x00000000004EA000-memory.dmp

Filesize
104KB

Download
memory/2488-3-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-4-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/2488-5-0x0000000005150000-0x00000000051C0000-memory.dmp

Filesize
448KB

Download
memory/2488-0-0x000000007422E000-0x000000007422F000-memory.dmp

Filesize
4KB

Download
memory/2664-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2664-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2664-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2664-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2664-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2664-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2664-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads