agenttesla | c610f73e30114e8b05d5077870b71af41e4ab99b94c6eef2f23da7e33512af87

General

Target

f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
Size

1.7MB
MD5

f31d2f9763209683c9fd4ba9054025b6
SHA1

43b07a6d360c33c6726403001071b3480f9122bd
SHA256

c610f73e30114e8b05d5077870b71af41e4ab99b94c6eef2f23da7e33512af87
SHA512

a60889ab66882755900af1219527f4094a746f0a52942a08ddecd612b2d6ec0b7678f434749324256d748e5ad86b88de3963434743d8aaf1e3dba710b243f708
SSDEEP

768:rvx78YUYgkbgYWpmkO5gN9g6oCAmYrAaCgKgEFNX0UgxDmHD9h4gPgcR+gMEOgUj:rvbZ

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.energstylgroup.com
Port:
587
Username:
[email protected]
Password:
Urchman231

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/3760-6-0x0000000000400000-0x000000000043C000-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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f31d2f9763209683c9fd4ba9054025b6_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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\icloud = "C:\\Users\\Admin\\AppData\\Roaming\\icloud\\icloud.exe"	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88

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	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3760	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
3760	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3760	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88
PID 1448 wrote to memory of 3760	1448	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f31d2f9763209683c9fd4ba9054025b6_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3760

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/1448-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/1448-1-0x0000000000890000-0x0000000000A3C000-memory.dmp

Filesize
1.7MB

Download
memory/1448-2-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/1448-3-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/1448-4-0x0000000002B60000-0x0000000002BA2000-memory.dmp

Filesize
264KB

Download
memory/1448-5-0x00000000059C0000-0x0000000005F64000-memory.dmp

Filesize
5.6MB

Download
memory/1448-10-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3760-8-0x0000000005680000-0x0000000005712000-memory.dmp

Filesize
584KB

Download
memory/3760-7-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3760-9-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3760-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3760-11-0x0000000005A80000-0x0000000005A98000-memory.dmp

Filesize
96KB

Download
memory/3760-12-0x0000000006520000-0x0000000006586000-memory.dmp

Filesize
408KB

Download
memory/3760-13-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3760-14-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3760-16-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/3760-17-0x0000000006B10000-0x0000000006B1A000-memory.dmp

Filesize
40KB

Download
memory/3760-18-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3760-19-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads