agenttesla | 3a1b8abd7d2b6342f5ec31f3d61b7ba3b12d7d67244c5d6e379fd403620b60f5

General

Target

e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
Size

517KB
MD5

e24b703300666a1a5ca0493661554672
SHA1

51fdb761b14f0a1d234b589b9cafacf5ae466889
SHA256

3a1b8abd7d2b6342f5ec31f3d61b7ba3b12d7d67244c5d6e379fd403620b60f5
SHA512

f7fc05a4e44524508076b4eff86594209bdea43815d84f9d3a29bfee330aaacb0edb7972f06d998030e59b20b174723c3382fd13ee11bea9a719b38355c66c9d
SSDEEP

12288:N2occ0W3VTVB4g8s3+R3IYlP1sY0wexK2IjoW:N2rc0Wmm+R3xltD03l

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.palletsolutions.ca
Port:
587
Username:
[email protected]
Password:
h~Q+QV.(M2?!

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/2604-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2604-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2604-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2604-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2604-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2604	2824	e24b703300666a1a5ca0493661554672_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	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
2604	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
2604	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
Token: SeDebugPrivilege	2604	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2604	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2604	2824	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e24b703300666a1a5ca0493661554672_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e24b703300666a1a5ca0493661554672_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:2824
- C:\Users\Admin\AppData\Local\Temp\e24b703300666a1a5ca0493661554672_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e24b703300666a1a5ca0493661554672_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/2604-23-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-26-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-25-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-24-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-21-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-27-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-5-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-22-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-6-0x00000000044D0000-0x0000000004532000-memory.dmp

Filesize
392KB

Download
memory/2824-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2824-4-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2824-3-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download
memory/2824-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-1-0x0000000000890000-0x0000000000918000-memory.dmp

Filesize
544KB

Download

Analysis

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