agenttesla | 3f5bd96c293cb80ca6662ac5a385449403adc86fdc4bb55571637385fc2842cb

General

Target

44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
Size

603KB
MD5

44dbc0b4c82ab5027ca0beee6bef5b3f
SHA1

ae27a4a72c904bf4df7946cf065bb4d8cf8e2694
SHA256

3f5bd96c293cb80ca6662ac5a385449403adc86fdc4bb55571637385fc2842cb
SHA512

accf228f6a127d652568ed811db032cdb6993f0435b284f2927b867481f126b38fd823591446dd3e5d7bd8c31bd31bd67b9834eb867408df37d9d050c7b759db
SSDEEP

12288:TEqbotmUgMi6FJm65fiA5uxL2AyO8c+kJT6YashlM0JT6YashlM:wssmURTF9fydxl9ashlV9ashl

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.citechco.net
Port:
587
Username:
[email protected]
Password:
Webana@321#

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/1600-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4388 set thread context of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
1600	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
1600	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
Token: SeDebugPrivilege	1600	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 1944	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	90
PID 4388 wrote to memory of 1944	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	90
PID 4388 wrote to memory of 1944	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	90
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91
PID 4388 wrote to memory of 1600	4388	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Users\Admin\AppData\Local\Temp\44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe"
  2⤵
  PID:1944
- C:\Users\Admin\AppData\Local\Temp\44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\44dbc0b4c82ab5027ca0beee6bef5b3f_JaffaCakes118.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1600-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-23-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1600-22-0x0000000006670000-0x00000000066C0000-memory.dmp

Filesize
320KB

Download
memory/1600-20-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1600-18-0x0000000005700000-0x0000000005766000-memory.dmp

Filesize
408KB

Download
memory/1600-17-0x0000000005480000-0x0000000005498000-memory.dmp

Filesize
96KB

Download
memory/1600-16-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1600-14-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4388-5-0x00000000056D0000-0x00000000056DA000-memory.dmp

Filesize
40KB

Download
memory/4388-9-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/4388-10-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4388-11-0x0000000006DB0000-0x0000000006E10000-memory.dmp

Filesize
384KB

Download
memory/4388-8-0x00000000058D0000-0x00000000058E2000-memory.dmp

Filesize
72KB

Download
memory/4388-7-0x0000000005910000-0x00000000059AC000-memory.dmp

Filesize
624KB

Download
memory/4388-15-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4388-6-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4388-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/4388-4-0x0000000005540000-0x0000000005596000-memory.dmp

Filesize
344KB

Download
memory/4388-3-0x00000000054A0000-0x0000000005532000-memory.dmp

Filesize
584KB

Download
memory/4388-2-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/4388-1-0x0000000000A70000-0x0000000000B0E000-memory.dmp

Filesize
632KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads