agenttesla | 6797c9eb17e1ad3b41121bc80db0a97ae642bfca0874c8b7bd391507d2ca5540

General

Target
Aviso de pago.pdf____________________________.exe
Size 54KB
Sample220513-skk4msgge8
SHA256 6797c9eb17e1ad3b41121bc80db0a97ae642bfca0874c8b7bd391507d2ca5540
MD5 05b6b97166b339557424ca035418a640
SHA1 e1699c9c10d6807650fcc35fc76c7744deeb16be
SHA512 0e2c6febd221d1c2e8a465dca46037ab6f826d5780c0ccb7bface146a15d1031124ddd5097b77f275a0714751559a77b8ea4cc4959c37d7ff336c6a3690ee7c8
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.permagraf.com.mx
Port
587
Username
[email protected]
Password
icui4cu2@@
Email to
[email protected]

Signatures

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

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1488-138-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Aviso de pago.pdf____________________________.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 1488	4948	Aviso de pago.pdf____________________________.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2524	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4948	Aviso de pago.pdf____________________________.exe
4948	Aviso de pago.pdf____________________________.exe
1488	MSBuild.exe
1488	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	Aviso de pago.pdf____________________________.exe
Token: SeDebugPrivilege	1488	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 4428	4948	Aviso de pago.pdf____________________________.exe	87
PID 4948 wrote to memory of 4428	4948	Aviso de pago.pdf____________________________.exe	87
PID 4948 wrote to memory of 4428	4948	Aviso de pago.pdf____________________________.exe	87
PID 4428 wrote to memory of 2524	4428	cmd.exe	89
PID 4428 wrote to memory of 2524	4428	cmd.exe	89
PID 4428 wrote to memory of 2524	4428	cmd.exe	89
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91
PID 4948 wrote to memory of 1488	4948	Aviso de pago.pdf____________________________.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Aviso de pago.pdf____________________________.exe
"C:\Users\Admin\AppData\Local\Temp\Aviso de pago.pdf____________________________.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 15
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Windows\SysWOW64\timeout.exe
    timeout 15
    3⤵
    - Delays execution with timeout.exe
    PID:2524
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1488

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:3660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1488-138-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1488-139-0x00000000050E0000-0x000000000517C000-memory.dmp

Download

memory/1488-140-0x0000000005DE0000-0x0000000005E46000-memory.dmp

Download

memory/1488-141-0x0000000006280000-0x000000000628A000-memory.dmp

Download

memory/4948-130-0x0000000000060000-0x0000000000072000-memory.dmp

Download

memory/4948-131-0x00000000067F0000-0x0000000006840000-memory.dmp

Download

memory/4948-132-0x0000000006900000-0x00000000069B2000-memory.dmp

Download

memory/4948-133-0x0000000006F70000-0x0000000007514000-memory.dmp

Download

memory/4948-134-0x0000000006A60000-0x0000000006AF2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads