agenttesla | 65f47b6044414100359d76cd579fe73fdea872525b9da1b4cc2e7b665d571d17

General

Target
Payment Remittance Advice 09022022.exe
Size 571KB
Sample220906-pckw5acfa5
SHA256 65f47b6044414100359d76cd579fe73fdea872525b9da1b4cc2e7b665d571d17
MD5 78cf78960f9a81583923738dd8aa6c01
SHA1 7156f09867f5f23597d0c8c258b2cf9dc2ccea0f
SHA512 3c164995ed4caa89abecddd3c82262b70b4bcbd66800670d7ec44b7b789fb946d7edb0d8bf144e59a543d289618e3acf0da29d7efbde25a12d88f915254985ca
SSDEEP 12288:SbRFhkQ9Ki7cSFa9eXkyYUsIHgWxEcLzDYE0+Mp2Mf:uLhii7cl9k0UsKicnDaF2Mf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mx.stackmail.com
Port
587
Username
[email protected]
Password
Hx8497e97

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
%2B
Port
21
Username
application/x-www-form-urlencoded
Password
image/jpg

C2

p=

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Payment Remittance Advice 09022022.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Adobe.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 2360	2476	buyinn.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2556	Payment Remittance Advice 09022022.exe
2476	buyinn.exe
2476	buyinn.exe
2476	buyinn.exe
2476	buyinn.exe
2360	InstallUtil.exe
2360	InstallUtil.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2556	Payment Remittance Advice 09022022.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	Payment Remittance Advice 09022022.exe
Token: SeDebugPrivilege	2476	buyinn.exe
Token: SeDebugPrivilege	2360	InstallUtil.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2476	2556	Payment Remittance Advice 09022022.exe	82
PID 2556 wrote to memory of 2476	2556	Payment Remittance Advice 09022022.exe	82
PID 2556 wrote to memory of 2476	2556	Payment Remittance Advice 09022022.exe	82
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 3720	2476	buyinn.exe	86
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87
PID 2476 wrote to memory of 2360	2476	buyinn.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Payment Remittance Advice 09022022.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Remittance Advice 09022022.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\buyinn.exe
  "C:\Users\Admin\AppData\Local\Temp\buyinn.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:3720
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2360-141-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/2360-142-0x00000000067D0000-0x0000000006836000-memory.dmp

Download

memory/2360-143-0x0000000006D20000-0x0000000006D70000-memory.dmp

Download

memory/2556-132-0x0000000000E70000-0x0000000000F04000-memory.dmp

Download

memory/2556-133-0x00000000055E0000-0x000000000567C000-memory.dmp

Download

memory/2556-134-0x0000000006840000-0x0000000006DE4000-memory.dmp

Download

memory/2556-135-0x0000000006490000-0x0000000006522000-memory.dmp

Download

memory/2556-136-0x0000000006630000-0x000000000663A000-memory.dmp

Download

memory/2556-137-0x0000000008C60000-0x000000000918C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads