agenttesla | 2b44cba8f72f0539ac1b96b10decf933339427b7ab2959f4b2f1f7211a3d5bb3

General

Target

eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Size

408KB
MD5

eb575f4502d47d85e7ba7a5655d83bbd
SHA1

61190629a70ca90ae31b2691f17f640fc84d891e
SHA256

2b44cba8f72f0539ac1b96b10decf933339427b7ab2959f4b2f1f7211a3d5bb3
SHA512

c400d24acae083d73f56695154f9b90b22fc71f438f1bf8b67953d9c9c0a7e5cbc5ba2835d657ecc62b87502568a69c1df5f72a0ed2321e4d82fcc6580507065
SSDEEP

12288:xx/Bagt7AIT7apAucNthaRZpIAfRLGoIa2vjFs3WW:xxSITwJcPha7pIAtaa27a3P

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
HEoxefZ9

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
2716	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
2716	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2716	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Token: SeDebugPrivilege	2716	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2864	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2864	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2864	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2864	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2716	2732	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CWGcQKxFZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70EC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2864
- C:\Users\Admin\AppData\Local\Temp\eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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 Information Discovery

1

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp70EC.tmp

Filesize
1KB

MD5
c9eb68b2c753ef37566b9a653cb4d522

SHA1
000f60bc372ffaab509b76a32ff269a40f936d45

SHA256
fbc4eabc9e0fb57450608eb42a6ce8a0fefeff2d48e6d327768b7f9064386564

SHA512
c168811be26683a01ecaa689fdd36b3c3880560ef290ad4bc1574d514fc5808e5e53ba42d89ce0327b7e2b4a0840fc427cdb0c1c7702a43b10523e56f7c6938d

Download Submit
memory/2716-27-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-28-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-20-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2716-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2716-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2716-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2716-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2716-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2716-29-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2732-3-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/2732-1-0x0000000000B80000-0x0000000000BEC000-memory.dmp

Filesize
432KB

Download
memory/2732-2-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2732-26-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-6-0x0000000005350000-0x00000000053B2000-memory.dmp

Filesize
392KB

Download
memory/2732-5-0x0000000005500000-0x0000000005564000-memory.dmp

Filesize
400KB

Download
memory/2732-4-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads