agenttesla | 9058fb2048b5ce85299b45cbbaab0f50ee2eb485f472251640ae5d59868a91ba

General

Target

CAII000080521.exe
Size

694KB
MD5

552fd40f6b8bc76c5d9d33e5263446e2
SHA1

78ea9c06b3838119c5cf6619230a18b92fb679be
SHA256

9058fb2048b5ce85299b45cbbaab0f50ee2eb485f472251640ae5d59868a91ba
SHA512

e4709f1483f8e56f532acd92453470630ea4f62c54fb2699b83fe841d04929b5ddba8d4b97b9158e9363794fc9c8ed87286aeee3c718a0fbd80dd5a9cfdafbdf

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bandarsteel.com
Port:
587
Username:
[email protected]
Password:
factory123

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2024-15-0x0000000000446F7E-mapping.dmp	family_agenttesla
behavioral1/memory/2024-17-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/2024-18-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
1912	application.exe
2024	RegAsm.exe

Loads dropped DLL 3 IoCs

pid	Process
804	CAII000080521.exe
1912	application.exe
2024	RegAsm.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\application = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\application.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1912 set thread context of 2024	1912	application.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
804	CAII000080521.exe
804	CAII000080521.exe
804	CAII000080521.exe
1912	application.exe
1912	application.exe
1912	application.exe
2024	RegAsm.exe
2024	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	804	CAII000080521.exe
Token: SeDebugPrivilege	1912	application.exe
Token: SeDebugPrivilege	2024	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 1764	804	CAII000080521.exe	24
PID 804 wrote to memory of 1764	804	CAII000080521.exe	24
PID 804 wrote to memory of 1764	804	CAII000080521.exe	24
PID 804 wrote to memory of 1764	804	CAII000080521.exe	24
PID 1764 wrote to memory of 1848	1764	cmd.exe	26
PID 1764 wrote to memory of 1848	1764	cmd.exe	26
PID 1764 wrote to memory of 1848	1764	cmd.exe	26
PID 1764 wrote to memory of 1848	1764	cmd.exe	26
PID 804 wrote to memory of 1912	804	CAII000080521.exe	29
PID 804 wrote to memory of 1912	804	CAII000080521.exe	29
PID 804 wrote to memory of 1912	804	CAII000080521.exe	29
PID 804 wrote to memory of 1912	804	CAII000080521.exe	29
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30
PID 1912 wrote to memory of 2024	1912	application.exe	30

C:\Users\Admin\AppData\Local\Temp\CAII000080521.exe
"C:\Users\Admin\AppData\Local\Temp\CAII000080521.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
    3⤵
    - Adds Run key to start application
    PID:1848
- C:\Users\Admin\AppData\Roaming\application.exe
  "C:\Users\Admin\AppData\Roaming\application.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
    "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2024-17-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2024-18-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download

Analysis

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