agenttesla | ce9b39a6296a41339678e75b6004ce70ddfd839a496a058e0eb025cfa0a1e833

General

Target

SALE ORDER.exe
Size

463KB
MD5

563ace61f357fe73207c546cbec9c0cd
SHA1

6cc9bbe6704f4a54105502672d246e97d3c9688e
SHA256

9beb57914c705bfd2a1bfaca1bd2f4beca2a2cd8dff49229558bca04774a360a
SHA512

a48b165149fdd63b2ea95bafec0b4a22ca615530dabcb206a584d38d8cc3d7f4d1da3b64dc6096eaa4507d9bc98f115930384258873513b64b856b94d6934cda

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dieseltronic.com.pe
Port:
587
Username:
[email protected]
Password:
Asdiesel2019@?%%%,

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2000-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-69-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/2000-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

SALE ORDER.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts SALE ORDER.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	SALE ORDER.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

SALE ORDER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SALE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SALE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SALE ORDER.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SALE ORDER.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	SALE ORDER.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SALE ORDER.exe

description pid process target process

PID 520 set thread context of 2000 520 SALE ORDER.exe SALE ORDER.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

612 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SALE ORDER.exeSALE ORDER.exe

pid process

520 SALE ORDER.exe
2000 SALE ORDER.exe
2000 SALE ORDER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SALE ORDER.exeSALE ORDER.exe

description pid process

Token: SeDebugPrivilege 520 SALE ORDER.exe
Token: SeDebugPrivilege 2000 SALE ORDER.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SALE ORDER.exe

pid process

2000 SALE ORDER.exe

description	pid	process	target process
PID 520 set thread context of 2000	520	SALE ORDER.exe	SALE ORDER.exe

pid	process
612	schtasks.exe

pid	process
520	SALE ORDER.exe
2000	SALE ORDER.exe
2000	SALE ORDER.exe

description	pid	process
Token: SeDebugPrivilege	520	SALE ORDER.exe
Token: SeDebugPrivilege	2000	SALE ORDER.exe

pid	process
2000	SALE ORDER.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

SALE ORDER.exe

description	pid	process	target process
PID 520 wrote to memory of 612	520	SALE ORDER.exe	schtasks.exe
PID 520 wrote to memory of 612	520	SALE ORDER.exe	schtasks.exe
PID 520 wrote to memory of 612	520	SALE ORDER.exe	schtasks.exe
PID 520 wrote to memory of 612	520	SALE ORDER.exe	schtasks.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe
PID 520 wrote to memory of 2000	520	SALE ORDER.exe	SALE ORDER.exe

outlook_office_path 1 IoCs

Processes:

SALE ORDER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SALE ORDER.exe

outlook_win_path 1 IoCs

Processes:

SALE ORDER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SALE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\SALE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\SALE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:520

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jbRaoNBxNzlTq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CA6.tmp"
2⤵
- Creates scheduled task(s)
PID:612

C:\Users\Admin\AppData\Local\Temp\SALE ORDER.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

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\tmp8CA6.tmp

MD5
a42961e12441c28b43b07e547ed81154

SHA1
8d74bfd899b958727b836ded2ce9cebbcd83d13e

SHA256
59df6c6969d8a5dd681bc78d34cfa9b8385fc1a8c3841d31fc895955a056ac6a

SHA512
c3ed5601e730ce35ce5fc6b92bf57b810304e08bea66d0c7ab2df48e75dff5513f0de97699f4767637af350fdd3ead11715eec54ae13f7c7a8e3975a886c1a14

Download Submit
memory/520-55-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/520-57-0x0000000075901000-0x0000000075903000-memory.dmp

Filesize
8KB

Download
memory/520-58-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/520-59-0x00000000002D0000-0x00000000002D5000-memory.dmp

Filesize
20KB

Download
memory/520-60-0x0000000005180000-0x00000000051F5000-memory.dmp

Filesize
468KB

Download
memory/520-61-0x0000000005400000-0x0000000005438000-memory.dmp

Filesize
224KB

Download
memory/612-62-0x0000000000000000-mapping.dmp

Download
memory/2000-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2000-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2000-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2000-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2000-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2000-69-0x000000000043763E-mapping.dmp

Download
memory/2000-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2000-72-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/2000-73-0x0000000004B71000-0x0000000004B72000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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