agenttesla | a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f | Triage

Analysis

max time kernel
143s
max time network
158s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 21:26

Sharing

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General

Target

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
Size

472KB
MD5

b1ed59d8b5aa3dd544e3ec56e260b484
SHA1

2d8217da42bde43d1eae04f7221ce51e1389e4b6
SHA256

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f
SHA512

de102e60fbeef3e0496616ce321e02b2178ac9dd4e7a868ab816c44131c8eee353c07be8ae5e0ce2868204894b8981cfad7b3532f298f9b1b21331ef71b686ed

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sgsabah.com
Port:
587
Username:
belinda@sgsabah.com
Password:
Newlife8

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3836-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3836-126-0x000000000043768E-mapping.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

Email Collection

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

description	pid	process	target process
PID 4520 set thread context of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.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

2600 schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

pid	process
3836	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
3836	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

description pid process

Token: SeDebugPrivilege 3836 a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

description	pid	process	target process
PID 4520 wrote to memory of 2600	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	schtasks.exe
PID 4520 wrote to memory of 2600	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	schtasks.exe
PID 4520 wrote to memory of 2600	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	schtasks.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
PID 4520 wrote to memory of 3836	4520	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

outlook_office_path 1 IoCs

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

outlook_win_path 1 IoCs

Processes:

a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe

C:\Users\Admin\AppData\Local\Temp\a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
"C:\Users\Admin\AppData\Local\Temp\a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4520

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jpBqeIqzCgNfJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC177.tmp"
2⤵
- Creates scheduled task(s)
PID:2600

C:\Users\Admin\AppData\Local\Temp\a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe
"C:\Users\Admin\AppData\Local\Temp\a06012876cea6d4e0f2aded8aa3f2bc90d31a808c64002fbddc052f9c2306a7f.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Credentials in Files

Discovery

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2600-124-0x0000000000000000-mapping.dmp

Download
memory/3836-136-0x0000000004FC1000-0x0000000004FC2000-memory.dmp

Filesize
4KB

Download
memory/3836-133-0x0000000005D90000-0x0000000005D91000-memory.dmp

Filesize
4KB

Download
memory/3836-132-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/3836-131-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/3836-126-0x000000000043768E-mapping.dmp

Download
memory/3836-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4520-119-0x0000000004B30000-0x000000000502E000-memory.dmp

Filesize
5.0MB

Download
memory/4520-123-0x00000000059B0000-0x0000000005A08000-memory.dmp

Filesize
352KB

Download
memory/4520-122-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/4520-121-0x0000000004F60000-0x0000000004F67000-memory.dmp

Filesize
28KB

Download
memory/4520-120-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/4520-115-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/4520-118-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

Filesize
4KB

Download
memory/4520-117-0x0000000005030000-0x0000000005031000-memory.dmp

Filesize
4KB

Download