agenttesla | 4f292f3a32f19fbb2b43bb9defa01b89d010712ca518f2ab0e7d0fa76760aa01

General

Target

Quotation.exe
Size

687KB
MD5

df9d06efd44cacfd15067deb44fb7d91
SHA1

85dcefdefe1b612eb3d053721c3d475bc248787e
SHA256

eb4900d71cfd218e3eb1eb920e96d4466796772830d964424ae42878ef9b2f8d
SHA512

7f8bf4196e319da4415ae9c37ad1f3bab53ecff6255e80986d954468e460b889540aa3084506df30c037a4363ae4e5edfc0ea5adbe21e477e2bac10e7f9c47e7

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

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

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/5108-138-0x0000000000400000-0x000000000044C000-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 2540 set thread context of 5108 2540 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

1128 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Quotation.exeQuotation.exe

pid process

2540 Quotation.exe
2540 Quotation.exe
2540 Quotation.exe
5108 Quotation.exe
5108 Quotation.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation.exeQuotation.exe

description pid process

Token: SeDebugPrivilege 2540 Quotation.exe
Token: SeDebugPrivilege 5108 Quotation.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation.exe

pid process

5108 Quotation.exe

description	pid	process	target process
PID 2540 set thread context of 5108	2540	Quotation.exe	Quotation.exe

pid	process
1128	schtasks.exe

pid	process
2540	Quotation.exe
2540	Quotation.exe
2540	Quotation.exe
5108	Quotation.exe
5108	Quotation.exe

description	pid	process
Token: SeDebugPrivilege	2540	Quotation.exe
Token: SeDebugPrivilege	5108	Quotation.exe

pid	process
5108	Quotation.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Quotation.exe

description	pid	process	target process
PID 2540 wrote to memory of 1128	2540	Quotation.exe	schtasks.exe
PID 2540 wrote to memory of 1128	2540	Quotation.exe	schtasks.exe
PID 2540 wrote to memory of 1128	2540	Quotation.exe	schtasks.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	Quotation.exe	Quotation.exe
PID 2540 wrote to memory of 5108	2540	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:2540

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zcCILgqNJi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp685F.tmp"
2⤵
- Creates scheduled task(s)
PID:1128

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:5108

Network

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp685F.tmp

Filesize
1KB

MD5
1e4b04909c12cb29542bc1d31dd35bc1

SHA1
6d22a75ab6ae8374eb039ed273dbc2a985f97033

SHA256
efe83e541399572492bbf9f1e5f51511b763acda30bbf6070217511112930669

SHA512
6fd55983de70e35d04232ee79486178a751e237b96ff0efccc36dff480e3e6a5df5dd7c7468b8d12c73b5d54533808604d57d68526fdb00faaa7b05d58fe4e9e

Download Submit
memory/1128-135-0x0000000000000000-mapping.dmp

Download
memory/2540-130-0x0000000000410000-0x00000000004C2000-memory.dmp

Filesize
712KB

Download
memory/2540-131-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/2540-132-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/2540-133-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/2540-134-0x0000000008D60000-0x0000000008DFC000-memory.dmp

Filesize
624KB

Download
memory/5108-137-0x0000000000000000-mapping.dmp

Download
memory/5108-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5108-139-0x0000000006800000-0x0000000006866000-memory.dmp

Filesize
408KB

Download
memory/5108-140-0x0000000006B40000-0x0000000006B90000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads