agenttesla | 3cdb85efd62add89d7945f62faf3c578d7fa6b5ec68573b1d774265afd46a8ad

General

Target

file.exe
Size

845KB
MD5

f613d92e22e3da552ca70021c267c826
SHA1

3790fd94d2fa8712e81aabd11910a2fe4b6c8514
SHA256

3cdb85efd62add89d7945f62faf3c578d7fa6b5ec68573b1d774265afd46a8ad
SHA512

4da46153652b8963a053bc80bf6b3716bcb3e20fe4eb6c17a60e3bef3922ef9b7479d9d5b2ac6c5e9cafb9b16a9aa7fe309684b82546b74e52008e304f30b218

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
qwerty123@@@

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
behavioral2/memory/64-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/64-13-0x000000000043747E-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 4800 set thread context of 64 4800 file.exe file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

64 file.exe
64 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 64 file.exe

description	pid	process	target process
PID 4800 set thread context of 64	4800	file.exe	file.exe

pid	process
64	file.exe
64	file.exe

description	pid	process
Token: SeDebugPrivilege	64	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe
PID 4800 wrote to memory of 64	4800	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4800

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:64

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\file.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/64-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/64-21-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/64-20-0x0000000005640000-0x0000000005641000-memory.dmp

Filesize
4KB

Download
memory/64-15-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/64-13-0x000000000043747E-mapping.dmp

Download
memory/4800-6-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/4800-10-0x0000000004950000-0x0000000004962000-memory.dmp

Filesize
72KB

Download
memory/4800-11-0x0000000005820000-0x0000000005895000-memory.dmp

Filesize
468KB

Download
memory/4800-9-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/4800-8-0x0000000004910000-0x0000000004911000-memory.dmp

Filesize
4KB

Download
memory/4800-7-0x0000000004A20000-0x0000000004A21000-memory.dmp

Filesize
4KB

Download
memory/4800-2-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/4800-5-0x0000000004980000-0x0000000004981000-memory.dmp

Filesize
4KB

Download
memory/4800-3-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download

Analysis

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