agenttesla | 4c9059aa76dfa2f817a4bf9cbf18e9f36d9235b6d6eb91af99c99eb68109afe5

General

Target
Recibo de la transacción.PDF.exe
Size 124KB
Sample220504-pc6htsgddm
SHA256 4c9059aa76dfa2f817a4bf9cbf18e9f36d9235b6d6eb91af99c99eb68109afe5
MD5 73bc280b545daa847559f2a55e162f42
SHA1 271d6fc9494e9581d28f1657324deda94da0bbd7
SHA512 401e5fd34d8b776e281f1e167de9b3e1c367d7016f2cf6f8ffa447d3adc8da2bee11a5f0552edcecf11c92711bcd2dee865c936f260d9fd659cf7a078774a7fb
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5352056425:AAGLhl5XHl4SowyUsTAMmyTAeDJxhGWD9io/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Recibo de la transacción.PDF.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 3384	1700	Recibo de la transacción.PDF.exe	102

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
1480	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1700	Recibo de la transacción.PDF.exe
1700	Recibo de la transacción.PDF.exe
3384	MSBuild.exe
3384	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	Recibo de la transacción.PDF.exe
Token: SeDebugPrivilege	3384	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 4184	1700	Recibo de la transacción.PDF.exe	91
PID 1700 wrote to memory of 4184	1700	Recibo de la transacción.PDF.exe	91
PID 1700 wrote to memory of 4184	1700	Recibo de la transacción.PDF.exe	91
PID 4184 wrote to memory of 1480	4184	cmd.exe	93
PID 4184 wrote to memory of 1480	4184	cmd.exe	93
PID 4184 wrote to memory of 1480	4184	cmd.exe	93
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102
PID 1700 wrote to memory of 3384	1700	Recibo de la transacción.PDF.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Recibo de la transacción.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Recibo de la transacción.PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 20
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4184
- - C:\Windows\SysWOW64\timeout.exe
    timeout 20
    3⤵
    - Delays execution with timeout.exe
    PID:1480
- 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:3384

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/1700-130-0x00000000000B0000-0x00000000000D4000-memory.dmp

Download

memory/1700-131-0x00000000050C0000-0x0000000005664000-memory.dmp

Download

memory/1700-132-0x0000000004B10000-0x0000000004BA2000-memory.dmp

Download

memory/1700-133-0x0000000004A90000-0x0000000004A9A000-memory.dmp

Download

memory/3384-137-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/3384-138-0x0000000005220000-0x00000000052BC000-memory.dmp

Download

memory/3384-139-0x00000000060F0000-0x0000000006156000-memory.dmp

Download

memory/3384-140-0x00000000066C0000-0x0000000006710000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads