agenttesla | 8cf5bee9b6bb22024d08818c93083105e43033e5e3889492cd6161eb15f6d2b2

General

Target

29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
Size

1.1MB
MD5

29f786e2130af67df21cb5810e181ee7
SHA1

0d90ab0a8e2b0d24a416cb0c198d2f98ba8bea93
SHA256

8cf5bee9b6bb22024d08818c93083105e43033e5e3889492cd6161eb15f6d2b2
SHA512

b0689c0e1ef6d1806f9e3869fcd2511e30c7d3dac689735e8242b1032072a4b472f7b3f2145acf9625cb5fe5bb19689f080d1fa0a959749244ba144ca48afc4c
SSDEEP

24576:uo2A4dQY/G61yhgte8X4DD5r5B2FfCTBDi/NJKao7:xbDY/F1yhg7a1reKmJKl7

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.digicon.com.mx/
Port:
21
Username:
[email protected]
Password:
sailor@123

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/2452-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2452-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2452-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2452-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2452-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	29f786e2130af67df21cb5810e181ee7_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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29f786e2130af67df21cb5810e181ee7_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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\gqxRqe = "C:\\Users\\Admin\\AppData\\Roaming\\gqxRqe\\gqxRqe.exe"	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1076 set thread context of 2452	1076	29f786e2130af67df21cb5810e181ee7_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	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2452	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
2452	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2452	1076	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\29f786e2130af67df21cb5810e181ee7_JaffaCakes118.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2452

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

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

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Downloads

memory/1076-21-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1076-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1076-1-0x0000000001240000-0x0000000001362000-memory.dmp

Filesize
1.1MB

Download
memory/1076-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1076-4-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1076-5-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1076-6-0x0000000006200000-0x00000000062A2000-memory.dmp

Filesize
648KB

Download
memory/1076-3-0x0000000000350000-0x000000000036A000-memory.dmp

Filesize
104KB

Download
memory/1076-7-0x0000000000B50000-0x0000000000B8E000-memory.dmp

Filesize
248KB

Download
memory/2452-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2452-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2452-20-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-23-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-24-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-25-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-28-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-29-0x0000000074970000-0x000000007505E000-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