agenttesla | a442b02412d266580b4e2bc5a4c4d548a16b5035c345e62f32f6094846e1557f

General

Target

b84PVuQIuQD2g8C.exe
Size

746KB
MD5

64011a7871abb873c822b8b99082e8ab
SHA1

3d463299cda11670351fb5b2c1e0c213bf7563ef
SHA256

a442b02412d266580b4e2bc5a4c4d548a16b5035c345e62f32f6094846e1557f
SHA512

277f1c221a50bd47b7043a2a80e753820fe50818f0bbd06ae5ea6cf45f12df3da3c91cb9134fe52563ad54df3b7b5d65fb965a224fb3203acac7bee4b93a38ce
SSDEEP

12288:7BxGcU5f3AFiAV/NpeCYdUtwd0ITYlo0L8nbezhEBn4DauUkoPO9R4kb:mcU5f3A0CUnddR0lEbYi4DJRoPOX4k

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.essentialapparatus.co.ke
Port:
587
Username:
[email protected]
Password:
Info@2018

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.essentialapparatus.co.ke
Port:
587
Username:
[email protected]
Password:
Info@2018
Email To:
[email protected]

Signatures

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	b84PVuQIuQD2g8C.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b84PVuQIuQD2g8C.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b84PVuQIuQD2g8C.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b84PVuQIuQD2g8C.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tnpak = "C:\\Users\\Admin\\AppData\\Roaming\\Tnpak\\Tnpak.exe"	b84PVuQIuQD2g8C.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 360 set thread context of 1740	360	b84PVuQIuQD2g8C.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
360	b84PVuQIuQD2g8C.exe
360	b84PVuQIuQD2g8C.exe
1740	b84PVuQIuQD2g8C.exe
1740	b84PVuQIuQD2g8C.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	360	b84PVuQIuQD2g8C.exe
Token: SeDebugPrivilege	1740	b84PVuQIuQD2g8C.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27
PID 360 wrote to memory of 1740	360	b84PVuQIuQD2g8C.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b84PVuQIuQD2g8C.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b84PVuQIuQD2g8C.exe

C:\Users\Admin\AppData\Local\Temp\b84PVuQIuQD2g8C.exe
"C:\Users\Admin\AppData\Local\Temp\b84PVuQIuQD2g8C.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:360
- C:\Users\Admin\AppData\Local\Temp\b84PVuQIuQD2g8C.exe
  "C:\Users\Admin\AppData\Local\Temp\b84PVuQIuQD2g8C.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1740

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/360-62-0x0000000000F20000-0x0000000000F5C000-memory.dmp

Filesize
240KB

Download
memory/360-75-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/360-56-0x0000000000B80000-0x0000000000C20000-memory.dmp

Filesize
640KB

Download
memory/360-76-0x0000000004A55000-0x0000000004A66000-memory.dmp

Filesize
68KB

Download
memory/360-59-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/360-58-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/360-60-0x0000000004A55000-0x0000000004A66000-memory.dmp

Filesize
68KB

Download
memory/360-61-0x00000000056F0000-0x0000000005788000-memory.dmp

Filesize
608KB

Download
memory/360-55-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/360-54-0x0000000000F60000-0x0000000001020000-memory.dmp

Filesize
768KB

Download
memory/360-57-0x0000000000610000-0x0000000000626000-memory.dmp

Filesize
88KB

Download
memory/1740-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1740-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1740-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1740-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1740-73-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1740-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1740-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads