agenttesla | aaf20b9370f24df82c97b0273f52e6bd40f90df8fb8911bb10a70d57a77e775e

General

Target
b287f8ccc908b0bff82c78c4f8de00a2.exe
Size 855KB
Sample221116-mbc4saab78
SHA256 aaf20b9370f24df82c97b0273f52e6bd40f90df8fb8911bb10a70d57a77e775e
MD5 b287f8ccc908b0bff82c78c4f8de00a2
SHA1 2bc25acdefb4700a1ebe153788ddf2ab13731887
SHA512 4a8be71364665da6cfca6528670887f3a170ff125471404da21f6d732be9e6e612194a3d0b098b97051d92ec1c74fe6b2f9bdf64fad0331ede2ba12ef66c191a
SSDEEP 12288:OiU251kKb2iNRcPBG3niyXoUnxXhTNPjnZsnnoXofJALu15aehrrlg7U:Qo/b1UPk3n9XxxxT1moYfZ5xhr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
host39.registrar-servers.com
Port
587
Username
[email protected]
Password
oluchukwu554

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b287f8ccc908b0bff82c78c4f8de00a2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b287f8ccc908b0bff82c78c4f8de00a2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b287f8ccc908b0bff82c78c4f8de00a2.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
41	api.ipify.org
42	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4436 set thread context of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4436	b287f8ccc908b0bff82c78c4f8de00a2.exe
4436	b287f8ccc908b0bff82c78c4f8de00a2.exe
4436	b287f8ccc908b0bff82c78c4f8de00a2.exe
1704	b287f8ccc908b0bff82c78c4f8de00a2.exe
1704	b287f8ccc908b0bff82c78c4f8de00a2.exe
1704	b287f8ccc908b0bff82c78c4f8de00a2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe
Token: SeDebugPrivilege	1704	b287f8ccc908b0bff82c78c4f8de00a2.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 2636	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	89
PID 4436 wrote to memory of 2636	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	89
PID 4436 wrote to memory of 2636	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	89
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90
PID 4436 wrote to memory of 1704	4436	b287f8ccc908b0bff82c78c4f8de00a2.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b287f8ccc908b0bff82c78c4f8de00a2.exe

outlook_win_path 1 IoCs

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	b287f8ccc908b0bff82c78c4f8de00a2.exe

C:\Users\Admin\AppData\Local\Temp\b287f8ccc908b0bff82c78c4f8de00a2.exe
"C:\Users\Admin\AppData\Local\Temp\b287f8ccc908b0bff82c78c4f8de00a2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\b287f8ccc908b0bff82c78c4f8de00a2.exe
  "{path}"
  2⤵
  PID:2636
- C:\Users\Admin\AppData\Local\Temp\b287f8ccc908b0bff82c78c4f8de00a2.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

b287f8ccc908b0bff82c78c4f8de00a2.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b287f8ccc908b0bff82c78c4f8de00a2.exe.log
Size 1KB
SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
MD5 84e77a587d94307c0ac1357eb4d3d46f
SHA1 83cc900f9401f43d181207d64c5adba7a85edc1e
SHA512 aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
MD5 SHA1 SHA512

Submit Download

memory/1704-139-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1704-141-0x00000000064F0000-0x0000000006556000-memory.dmp

Download

memory/1704-142-0x0000000007040000-0x0000000007090000-memory.dmp

Download

memory/4436-132-0x0000000000B00000-0x0000000000BDC000-memory.dmp

Download

memory/4436-133-0x0000000005B90000-0x0000000006134000-memory.dmp

Download

memory/4436-134-0x00000000055E0000-0x0000000005672000-memory.dmp

Download

memory/4436-135-0x0000000005680000-0x000000000571C000-memory.dmp

Download

memory/4436-136-0x0000000005570000-0x000000000557A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads