agenttesla | 679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942

General

Target

679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
Size

645KB
MD5

6b66ea11a8f7baec2dd0c25201f5e421
SHA1

cafc5bfa2c455f6a2faa031cb2d6a3b46e95e9fe
SHA256

679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942
SHA512

d8400b15a93223a290e070c28c75fcc308ea6dc856ce2d2a64fe958eeacef2eaa27fad92efde1da97ae2184d1d2d7297e177ce928a72e27b0d030f9f44702233

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
lochmann2

Signatures

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

AgentTesla Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1776-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1776-65-0x000000000044A27E-mapping.dmp	family_agenttesla
behavioral1/memory/1776-67-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1776-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1776-69-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1776-63-0x0000000000400000-0x0000000000450000-memory.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

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
Key opened	\REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
Key opened	\REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1904 set thread context of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30

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

pid	Process
1724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1776	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
1776	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
Token: SeDebugPrivilege	1776	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1724	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	28
PID 1904 wrote to memory of 1724	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	28
PID 1904 wrote to memory of 1724	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	28
PID 1904 wrote to memory of 1724	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	28
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30
PID 1904 wrote to memory of 1776	1904	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe

C:\Users\Admin\AppData\Local\Temp\679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
"C:\Users\Admin\AppData\Local\Temp\679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xsGSWqW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3ED5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1724
- C:\Users\Admin\AppData\Local\Temp\679095b25876f6f91bb1cf9d2ffe2b8133943aced1255d0f0212540fb4d58942.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\tmp3ED5.tmp

Filesize
1KB

MD5
420700e569ecfef1e716f0258b0040b5

SHA1
a4103f7c55e95fb7ff109afa268a89a732e79f7c

SHA256
69413c5d993bb3bdfb95b76e6488d909dc0a7b0f23f5c0bd66cb470590dd01f2

SHA512
cca5588665e80d673b8179fbcd93f8fe2e9270a54a4f3575a9aba4ffcc2a1031e07f5c5ca528d32c330360cba0081d1664c5bfa283d378d2be319f46cbffe309

Download Submit
memory/1776-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1776-70-0x00000000755F1000-0x00000000755F3000-memory.dmp

Filesize
8KB

Download
memory/1904-56-0x0000000004920000-0x000000000499A000-memory.dmp

Filesize
488KB

Download
memory/1904-55-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/1904-54-0x0000000000990000-0x0000000000A38000-memory.dmp

Filesize
672KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads