agenttesla | 990a43d16640d614c878efb810592bc94ededa121ade1938d7a42452ca5a49c0

General

Target

Quotation.exe
Size

774KB
MD5

6dd7542b5145cc3367062c8de480350c
SHA1

d04897139836b9492a3c5036eacac7fc41160dcf
SHA256

10167fec5a00f7ee3805a502684ca59887be73bc350946a0f7989080e06859d8
SHA512

c6c05d1be62e093ef8e5c61e034752e863b322fd546331081769809e5d24c23aa2984960ae48cd6a1f68749535063553ca57606fb27d43a28d28b3af5921e35f

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.pengteh.com
Port:
587
Username:
[email protected]
Password:
am%pjs@8

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/4908-139-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Quotation.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JcoGam = "C:\\Users\\Admin\\AppData\\Roaming\\JcoGam\\JcoGam.exe"	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation.exe

description pid process target process

PID 4628 set thread context of 4908 4628 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

4820 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Quotation.exeQuotation.exe

pid process

4628 Quotation.exe
4908 Quotation.exe
4908 Quotation.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation.exeQuotation.exe

description pid process

Token: SeDebugPrivilege 4628 Quotation.exe
Token: SeDebugPrivilege 4908 Quotation.exe

description	pid	process	target process
PID 4628 set thread context of 4908	4628	Quotation.exe	Quotation.exe

pid	process
4820	schtasks.exe

pid	process
4628	Quotation.exe
4908	Quotation.exe
4908	Quotation.exe

description	pid	process
Token: SeDebugPrivilege	4628	Quotation.exe
Token: SeDebugPrivilege	4908	Quotation.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Quotation.exe

description	pid	process	target process
PID 4628 wrote to memory of 4820	4628	Quotation.exe	schtasks.exe
PID 4628 wrote to memory of 4820	4628	Quotation.exe	schtasks.exe
PID 4628 wrote to memory of 4820	4628	Quotation.exe	schtasks.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe
PID 4628 wrote to memory of 4908	4628	Quotation.exe	Quotation.exe

outlook_office_path 1 IoCs

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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:4628

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DqsjlyXdLYiYQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C42.tmp"
2⤵
- Creates scheduled task(s)
PID:4820

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4908

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\Microsoft\CLR_v4.0_32\UsageLogs\Quotation.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8C42.tmp
Filesize
1KB

MD5
af64c7c713db67ff320a97d9103eac32

SHA1
c70ad840b9026eb599cfd39611a5d152216f1bd2

SHA256
1f5ee5ec2932521ace6e2672188b7b3078c9e23905e11953d529b51b0ea24400

SHA512
ed8832ce342ac6e808f2b33cba7c367e7c5c5d057118dbff30d5ca6f76b3abe83aca7a6e26c15e8b099a09fa8cadb01668c9c680af8711bc36972514ddd67c1e

Download Submit
memory/4628-131-0x0000000007550000-0x00000000075EC000-memory.dmp

Filesize
624KB

Download
memory/4628-132-0x0000000007BA0000-0x0000000008144000-memory.dmp

Filesize
5.6MB

Download
memory/4628-133-0x0000000007690000-0x0000000007722000-memory.dmp

Filesize
584KB

Download
memory/4628-134-0x00000000075F0000-0x00000000075FA000-memory.dmp

Filesize
40KB

Download
memory/4628-135-0x0000000007730000-0x0000000007786000-memory.dmp

Filesize
344KB

Download
memory/4628-130-0x0000000000610000-0x00000000006D8000-memory.dmp

Filesize
800KB

Download
memory/4820-136-0x0000000000000000-mapping.dmp

Download
memory/4908-139-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4908-138-0x0000000000000000-mapping.dmp

Download
memory/4908-141-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/4908-142-0x0000000006610000-0x0000000006660000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads