agenttesla | 39d6538d17f4e0983148dde9c80565090d7eb512ad3ea31d9fecc3c9d1530208

General

Target

dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Size

623KB
MD5

dd34d67dd51995a69d89f8e3c10f4d8c
SHA1

ee8b35798bac9ddc82f111eec49708d0b1ee541f
SHA256

39d6538d17f4e0983148dde9c80565090d7eb512ad3ea31d9fecc3c9d1530208
SHA512

a0fd468dfddfd08e56481c73ff3b3a24a50e7292a5606568219587ac83a1b87e27258ef8863d16d61d19618029709e346dcbe82f600f6c9cb8d4f64fe168e309
SSDEEP

12288:/WHfdI046Mnq0UnsO5lJkKzUvoPUu9YpoKUJF5VjgGDlRaZ0Ix7hkb6nat:/Ua237VRwrxtnat

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldhiyafainteriors.com
Port:
587
Username:
[email protected]
Password:
dhiyafa@987

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/2808-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2808	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
2808	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31
PID 1728 wrote to memory of 2808	1728	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x0000000000E10000-0x0000000000EB2000-memory.dmp

Filesize
648KB

Download
memory/1728-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-3-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/1728-4-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1728-5-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-6-0x0000000004ED0000-0x0000000004F52000-memory.dmp

Filesize
520KB

Download
memory/1728-7-0x0000000004330000-0x000000000436C000-memory.dmp

Filesize
240KB

Download
memory/1728-21-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-20-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-22-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-23-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-24-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-25-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-26-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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