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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3988-139-0x0000000000400000-0x000000000044C000-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

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

Quotation.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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 4076 set thread context of 3988 4076 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

3008 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Quotation.exeQuotation.exe

pid process

4076 Quotation.exe
4076 Quotation.exe
4076 Quotation.exe
4076 Quotation.exe
4076 Quotation.exe
3988 Quotation.exe
3988 Quotation.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation.exeQuotation.exe

description pid process

Token: SeDebugPrivilege 4076 Quotation.exe
Token: SeDebugPrivilege 3988 Quotation.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation.exe

pid process

3988 Quotation.exe

description	pid	process	target process
PID 4076 set thread context of 3988	4076	Quotation.exe	Quotation.exe

pid	process
3008	schtasks.exe

pid	process
4076	Quotation.exe
4076	Quotation.exe
4076	Quotation.exe
4076	Quotation.exe
4076	Quotation.exe
3988	Quotation.exe
3988	Quotation.exe

description	pid	process
Token: SeDebugPrivilege	4076	Quotation.exe
Token: SeDebugPrivilege	3988	Quotation.exe

pid	process
3988	Quotation.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Quotation.exe

description	pid	process	target process
PID 4076 wrote to memory of 3008	4076	Quotation.exe	schtasks.exe
PID 4076 wrote to memory of 3008	4076	Quotation.exe	schtasks.exe
PID 4076 wrote to memory of 3008	4076	Quotation.exe	schtasks.exe
PID 4076 wrote to memory of 3464	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3464	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3464	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe
PID 4076 wrote to memory of 3988	4076	Quotation.exe	Quotation.exe

outlook_office_path 1 IoCs

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB381.tmp"
2⤵
- Creates scheduled task(s)
PID:3008

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"{path}"
2⤵
PID:3464

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:3988

Network

MITRE ATT&CK Matrix ATT&CK 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB381.tmp
Filesize
1KB

MD5
f0194d140d5655b77acfe5c633086ba1

SHA1
8cd43646855f664a0ebcff81adb01c0681a9363e

SHA256
31fb428c38ed87cd3c15ca9020c0dd95120ff487e25a9886be7acf1c7c9c5e46

SHA512
abf16211ad68556400043b1a50b9753bbcdb25e433a1c7bc982afcd3c9bfa48207f063f90130d1f5fe1eb8c335ef06159d9fe740cff7f9e0cb6bca6d8e422a14

Download Submit
memory/3008-135-0x0000000000000000-mapping.dmp

Download
memory/3464-137-0x0000000000000000-mapping.dmp

Download
memory/3988-138-0x0000000000000000-mapping.dmp

Download
memory/3988-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3988-140-0x0000000006540000-0x00000000065A6000-memory.dmp

Filesize
408KB

Download
memory/3988-141-0x0000000006AB0000-0x0000000006B00000-memory.dmp

Filesize
320KB

Download
memory/4076-130-0x0000000000A90000-0x0000000000B18000-memory.dmp

Filesize
544KB

Download
memory/4076-131-0x0000000005AE0000-0x0000000006084000-memory.dmp

Filesize
5.6MB

Download
memory/4076-132-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/4076-133-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/4076-134-0x0000000008EE0000-0x0000000008F7C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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