agenttesla | f1deaf13217f6e0b728e9995a07db0f8a1ee3b83e606ed806d641b9c7bfd1875

General

Target

Quotation.exe
Size

518KB
MD5

c4b00cd74ab74bdb219e5f174764c532
SHA1

cda3ba0e81d59defb7ced807976b1a41347175cf
SHA256

757811211cb9b67549000151e38132dabe4f0791589ca1559cca94e9993cd7cc
SHA512

7d0f7841450fd2c26a0b15b020357c6c9913b1d69f03526967b6cf6caf5170cb1d0c83bd1abda0456a8c0864f94ad61be4372de1fb717048fb62eb820c55a1ae

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
mmm777

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1168-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1168-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1168-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1168-67-0x00000000004478EE-mapping.dmp	family_agenttesla
behavioral1/memory/1168-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1168-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Quotation.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Quotation.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
T1081
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
T1081
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
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Quotation.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation.exe

description pid process target process

PID 1708 set thread context of 1168 1708 Quotation.exe Quotation.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1992 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Quotation.exeQuotation.exe

pid process

1708 Quotation.exe
1708 Quotation.exe
1708 Quotation.exe
1168 Quotation.exe
1168 Quotation.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation.exeQuotation.exe

description pid process

Token: SeDebugPrivilege 1708 Quotation.exe
Token: SeDebugPrivilege 1168 Quotation.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation.exe

pid process

1168 Quotation.exe

description	pid	process	target process
PID 1708 set thread context of 1168	1708	Quotation.exe	Quotation.exe

pid	process
1992	schtasks.exe

pid	process
1708	Quotation.exe
1708	Quotation.exe
1708	Quotation.exe
1168	Quotation.exe
1168	Quotation.exe

description	pid	process
Token: SeDebugPrivilege	1708	Quotation.exe
Token: SeDebugPrivilege	1168	Quotation.exe

pid	process
1168	Quotation.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Quotation.exe

description	pid	process	target process
PID 1708 wrote to memory of 1992	1708	Quotation.exe	schtasks.exe
PID 1708 wrote to memory of 1992	1708	Quotation.exe	schtasks.exe
PID 1708 wrote to memory of 1992	1708	Quotation.exe	schtasks.exe
PID 1708 wrote to memory of 1992	1708	Quotation.exe	schtasks.exe
PID 1708 wrote to memory of 1952	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1952	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1952	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1952	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe
PID 1708 wrote to memory of 1168	1708	Quotation.exe	Quotation.exe

outlook_office_path 1 IoCs

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

outlook_win_path 1 IoCs

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAF.tmp"
2⤵
- Creates scheduled task(s)
PID:1992

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"{path}"
2⤵
PID:1952

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1168

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCAF.tmp
Filesize
1KB

MD5
d9b3fb55144055bf53049ae44e24a2b4

SHA1
e01d7cbee7c35cac28b467f84e92b7a48d32d61e

SHA256
7b950a718804352c3350d97782b2db4cd0e4fa78d1fded8b7f56edfa9df4a437

SHA512
001c56ee85bf76eb22969026c4ddd0f784052c37144642d8124b4fe0db1893bba55b2f5c4739a5a8cb54cdab5b1ea37ad830b34c429fdac0b8f93a4d5acc052c

Download Submit
memory/1168-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1168-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1168-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1168-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1168-67-0x00000000004478EE-mapping.dmp

Download
memory/1168-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1168-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1168-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1708-54-0x0000000001130000-0x00000000011B8000-memory.dmp

Filesize
544KB

Download
memory/1708-55-0x00000000758D1000-0x00000000758D3000-memory.dmp

Filesize
8KB

Download
memory/1708-56-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/1708-58-0x0000000001080000-0x00000000010D6000-memory.dmp

Filesize
344KB

Download
memory/1708-57-0x00000000045C0000-0x000000000462A000-memory.dmp

Filesize
424KB

Download
memory/1992-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads