agenttesla | 2941306e0f9d54ab959d9f1e55795d917a9d9a271d6f04d30833bcd288b265fe

General

Target

JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
Size

760KB
MD5

8a3cd25d5fe430df7212ffaedc5f509a
SHA1

5834a19151873096125a95a891144d284f049e72
SHA256

2941306e0f9d54ab959d9f1e55795d917a9d9a271d6f04d30833bcd288b265fe
SHA512

b10ef6c5577483e734b5a4cc1e3935cbc43c58b29b7627d1348309555fce81211cbd5efd587d057156139ae3f440563dba928c4077a1bfc95f6fc6efe99309d8
SSDEEP

12288:wa8UpA6qRSE8+JfIEF/WAK6zPmnWutMIaQ3tCHi25dGgxoJtMbcdMkuvMNptn0UN:WVpK6z+ni89CHrvUMbcvaEqRZG

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
K@maR1-2019Hotelss

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2740-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2740-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2740-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2740-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2740-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.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	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
2740	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
2740	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2740	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
Token: SeDebugPrivilege	2740	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31
PID 1988 wrote to memory of 2740	1988	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a3cd25d5fe430df7212ffaedc5f509a.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:2740

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/1988-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1988-1-0x0000000001220000-0x00000000012E4000-memory.dmp

Filesize
784KB

Download
memory/1988-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-3-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/1988-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1988-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-6-0x0000000005EF0000-0x0000000005F6A000-memory.dmp

Filesize
488KB

Download
memory/1988-7-0x0000000000F30000-0x0000000000F6C000-memory.dmp

Filesize
240KB

Download
memory/1988-23-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-21-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-22-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-24-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-25-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-27-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-28-0x00000000743F0000-0x0000000074ADE000-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