agenttesla | b5ddeb43afd6bc4075b950d215095d71ab3ba09094d54f979ce9de91df915834

General

Target
PO B 12.exe
Size 580KB
Sample211011-dtmlhagce8
SHA256 b5ddeb43afd6bc4075b950d215095d71ab3ba09094d54f979ce9de91df915834
MD5 a3c456ecc1486eba53b3f5bfc4239801
SHA1 78183902a79cbe8e80147812e1673fff4ba9578f
SHA512 ab84a768ad1dc007402c31b4705bb96c65be22a36bba2565e6d8a65dc6951ede3d8f8a35629ead225c1083ee8201c47939f0367e6e8d4075d325512d7ec11550
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1910194363:AAH66amlxNaIwaIfI1AdRKORBzDDVieupMA/sendDocument

Signatures

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

AgentTesla Payload 5 IoCs

resource	yara_rule
behavioral1/memory/1972-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1972-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1972-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1972-70-0x000000000043771E-mapping.dmp	family_agenttesla
behavioral1/memory/1972-71-0x0000000000400000-0x000000000043C000-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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO B 12.exe
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO B 12.exe
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO B 12.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 1972	1768	PO B 12.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1768	PO B 12.exe
1972	PO B 12.exe
1972	PO B 12.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	PO B 12.exe
Token: SeDebugPrivilege	1972	PO B 12.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1960	1768	PO B 12.exe	27
PID 1768 wrote to memory of 1960	1768	PO B 12.exe	27
PID 1768 wrote to memory of 1960	1768	PO B 12.exe	27
PID 1768 wrote to memory of 1960	1768	PO B 12.exe	27
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28
PID 1768 wrote to memory of 1972	1768	PO B 12.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO B 12.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO B 12.exe

C:\Users\Admin\AppData\Local\Temp\PO B 12.exe
"C:\Users\Admin\AppData\Local\Temp\PO B 12.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\PO B 12.exe
  "C:\Users\Admin\AppData\Local\Temp\PO B 12.exe"
  2⤵
  PID:1960
- C:\Users\Admin\AppData\Local\Temp\PO B 12.exe
  "C:\Users\Admin\AppData\Local\Temp\PO B 12.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1972

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

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Downloads

memory/1768-60-0x0000000000080000-0x0000000000081000-memory.dmp

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memory/1768-62-0x0000000004D80000-0x0000000004D81000-memory.dmp

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memory/1768-63-0x00000000005E0000-0x00000000005F1000-memory.dmp

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memory/1768-64-0x0000000004780000-0x00000000047EB000-memory.dmp

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memory/1972-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1972-66-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1972-68-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1972-67-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1972-69-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1972-71-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1972-73-0x0000000004960000-0x0000000004961000-memory.dmp

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memory/1972-74-0x0000000004961000-0x0000000004962000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads