agenttesla | ca211fa9a62ed048d36a51492b5bbd7a39934b1afb94fbd888d1a4bd7f54fe43

Analysis

max time kernel
146s
max time network
119s
platform
windows7_x64
resource
win7-en-20211208
submitted
17/01/2022, 03:33

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General

Target
Order01.exe
Size 424KB
Sample220117-d37m2aghbp
SHA256 ca211fa9a62ed048d36a51492b5bbd7a39934b1afb94fbd888d1a4bd7f54fe43
MD5 93db1d0c6373f358b68194a5189e3854
SHA1 2250f763ccfb93dcbf693a88e31a6f3bf7b81a48
SHA512 05e5aaf3ab4d76ecaa55b71375cd4497c5d0cf249c06007c756eced49ab00ad761dbfcb14f9deb7f4e2a2db4c0630e29242612bbc62a6481377376f310602fe6
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.escueladeseguridadmaritima.com
Port
587
Username
[email protected]
Password
JUsatelite2020

Signatures

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

AgentTesla Payload 7 IoCs

resource	yara_rule
behavioral1/memory/1360-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-70-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/1360-71-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-72-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/592-74-0x00000000025D0000-0x000000000321A000-memory.dmp	family_agenttesla

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order01.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order01.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order01.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\myApp = "C:\\Users\\Admin\\AppData\\Roaming\\myApp\\myApp.exe"	Order01.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 1360	1612	Order01.exe	31

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

pid	Process
1492	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1612	Order01.exe
1612	Order01.exe
1360	Order01.exe
1360	Order01.exe
592	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	Order01.exe
Token: SeDebugPrivilege	1360	Order01.exe
Token: SeDebugPrivilege	592	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 592	1612	Order01.exe	27
PID 1612 wrote to memory of 592	1612	Order01.exe	27
PID 1612 wrote to memory of 592	1612	Order01.exe	27
PID 1612 wrote to memory of 592	1612	Order01.exe	27
PID 1612 wrote to memory of 1492	1612	Order01.exe	29
PID 1612 wrote to memory of 1492	1612	Order01.exe	29
PID 1612 wrote to memory of 1492	1612	Order01.exe	29
PID 1612 wrote to memory of 1492	1612	Order01.exe	29
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31
PID 1612 wrote to memory of 1360	1612	Order01.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order01.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order01.exe

C:\Users\Admin\AppData\Local\Temp\Order01.exe
"C:\Users\Admin\AppData\Local\Temp\Order01.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OgBIJWZqIcWVO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:592
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OgBIJWZqIcWVO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp97FB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1492
- C:\Users\Admin\AppData\Local\Temp\Order01.exe
  "C:\Users\Admin\AppData\Local\Temp\Order01.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:1360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/592-76-0x00000000025D0000-0x000000000321A000-memory.dmp

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memory/592-74-0x00000000025D0000-0x000000000321A000-memory.dmp

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memory/592-75-0x00000000025D0000-0x000000000321A000-memory.dmp

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memory/1360-71-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1360-77-0x0000000000501000-0x0000000000502000-memory.dmp

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memory/1360-73-0x0000000000500000-0x0000000000501000-memory.dmp

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memory/1360-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1360-66-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1360-67-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1360-68-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1360-69-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1360-72-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1612-55-0x0000000000E10000-0x0000000000E80000-memory.dmp

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memory/1612-60-0x0000000005AE0000-0x0000000005B50000-memory.dmp

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memory/1612-59-0x0000000000420000-0x0000000000430000-memory.dmp

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memory/1612-58-0x0000000004D10000-0x0000000004D11000-memory.dmp

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memory/1612-57-0x00000000763F1000-0x00000000763F3000-memory.dmp

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memory/1612-56-0x0000000000E10000-0x0000000000E80000-memory.dmp

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