agenttesla | 2b44cba8f72f0539ac1b96b10decf933339427b7ab2959f4b2f1f7211a3d5bb3

Analysis

max time kernel
98s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 12:32

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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

Credentials

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

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	eb575f4502d47d85e7ba7a5655d83bbd_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
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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\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-1-5-21-786284298-625481688-3210388970-1000\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 3220 set thread context of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93

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	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
2232	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
2232	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2232	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe
Token: SeDebugPrivilege	2232	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 2756	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	91
PID 3220 wrote to memory of 2756	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	91
PID 3220 wrote to memory of 2756	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	91
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93
PID 3220 wrote to memory of 2232	3220	eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CWGcQKxFZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2756
- 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:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\eb575f4502d47d85e7ba7a5655d83bbd_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA1.tmp

Filesize
1KB

MD5
226cf4465c231f8edc753617d0bf469e

SHA1
0b225b41745ee85d10722dbf5d2931934ea277c5

SHA256
66174d4ecf67401033031c548a13c0cad2e714c3526c5cf277e6c3eb217d759c

SHA512
86e2ca88e5752509e7d440f24953504a065afc98f2b924d038e769d87cc871c34a400a3f6e22bb7e6bb8d821327608dbc85c7027356524534f9b74854039c18a

Download Submit
memory/2232-21-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/2232-27-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/2232-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2232-26-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/2232-25-0x0000000006990000-0x00000000069E0000-memory.dmp

Filesize
320KB

Download
memory/2232-23-0x0000000005AE0000-0x0000000005B46000-memory.dmp

Filesize
408KB

Download
memory/2232-22-0x0000000005A40000-0x0000000005A58000-memory.dmp

Filesize
96KB

Download
memory/2232-20-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/2232-18-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3220-4-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3220-11-0x0000000008AF0000-0x0000000008B52000-memory.dmp

Filesize
392KB

Download
memory/3220-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

Filesize
584KB

Download
memory/3220-10-0x0000000006610000-0x0000000006674000-memory.dmp

Filesize
400KB

Download
memory/3220-1-0x00000000000C0000-0x000000000012C000-memory.dmp

Filesize
432KB

Download
memory/3220-19-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3220-9-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/3220-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/3220-8-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/3220-7-0x00000000050B0000-0x00000000050BA000-memory.dmp

Filesize
40KB

Download
memory/3220-6-0x0000000006140000-0x00000000061DC000-memory.dmp

Filesize
624KB

Download
memory/3220-5-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/3220-2-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download