agenttesla | 3f887df553df9b5424a935f528508097d535994888a890544feb47b51cefa7b9

Analysis

max time kernel
77s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2022 18:00

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General

Target

tMEGigbd7Zd4VqB.exe
Size

659KB
MD5

95b05936828a3d1568d2f1117292ae71
SHA1

2afd6bc70157b58ee24d7110aa3b20b0750d7498
SHA256

fc8e47fe406ad8b04edb2c6781bccf991b0c63e5e74124398010c2b3d79c13cd
SHA512

d9fa38b3b3e451d9db87fc173234e625bdd16c18161e71607c984ebdbbce1fe9fa46bd0064f0eec081c803aad595d2fc726e85fe497c48949cdbf4677c68deb3
SSDEEP

12288:rqI9q4YmH9n9VAPeFZbVicj12OCT4pNcNjGQ8xdYA6NBPFwCS2O70sOT0:GIL9nlxvR2EMjLoeA6fFFi0f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5380301623:AAEiiAoD9x5hD8Dpz7EhZFXpW2UQGzFYtzs/sendDocument

Signatures

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

Processes:

tMEGigbd7Zd4VqB.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tMEGigbd7Zd4VqB.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tMEGigbd7Zd4VqB.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tMEGigbd7Zd4VqB.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

tMEGigbd7Zd4VqB.exe

description pid process target process

PID 4896 set thread context of 2776 4896 tMEGigbd7Zd4VqB.exe tMEGigbd7Zd4VqB.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tMEGigbd7Zd4VqB.exe

pid process

2776 tMEGigbd7Zd4VqB.exe
2776 tMEGigbd7Zd4VqB.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tMEGigbd7Zd4VqB.exe

description pid process

Token: SeDebugPrivilege 2776 tMEGigbd7Zd4VqB.exe

description	pid	process	target process
PID 4896 set thread context of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe

pid	process
2776	tMEGigbd7Zd4VqB.exe
2776	tMEGigbd7Zd4VqB.exe

description	pid	process
Token: SeDebugPrivilege	2776	tMEGigbd7Zd4VqB.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

tMEGigbd7Zd4VqB.exe

description	pid	process	target process
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe
PID 4896 wrote to memory of 2776	4896	tMEGigbd7Zd4VqB.exe	tMEGigbd7Zd4VqB.exe

outlook_office_path 1 IoCs

Processes:

tMEGigbd7Zd4VqB.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tMEGigbd7Zd4VqB.exe

outlook_win_path 1 IoCs

Processes:

tMEGigbd7Zd4VqB.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tMEGigbd7Zd4VqB.exe

C:\Users\Admin\AppData\Local\Temp\tMEGigbd7Zd4VqB.exe
"C:\Users\Admin\AppData\Local\Temp\tMEGigbd7Zd4VqB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4896

C:\Users\Admin\AppData\Local\Temp\tMEGigbd7Zd4VqB.exe
"C:\Users\Admin\AppData\Local\Temp\tMEGigbd7Zd4VqB.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2776-138-0x0000000000000000-mapping.dmp

Download
memory/2776-139-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2776-140-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download
memory/4896-132-0x0000000000AE0000-0x0000000000B8C000-memory.dmp

Filesize
688KB

Download
memory/4896-133-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/4896-134-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/4896-135-0x00000000055D0000-0x00000000055DA000-memory.dmp

Filesize
40KB

Download
memory/4896-136-0x0000000007A50000-0x0000000007AEC000-memory.dmp

Filesize
624KB

Download
memory/4896-137-0x0000000008140000-0x00000000081A6000-memory.dmp

Filesize
408KB

Download