agenttesla | 62bdf39d7109c7e7f16a675e23be3085efe10aef41cff698f83a18427a57c02d

General

Target

2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
Size

723KB
MD5

2a706154bfd5a7bfddb0924141dc6aeb
SHA1

1cb771526a3f1a3b2bded9f4c43fd70613df0108
SHA256

62bdf39d7109c7e7f16a675e23be3085efe10aef41cff698f83a18427a57c02d
SHA512

66dd9aff42f5f3311338ef18c3a11a75204f97a9fe23f0380e844da9e5fd4792405bfaffb43fe739cc56e6ab127d4bd2a3563ecc004d94fe0a5b4c7b1572ef5f
SSDEEP

12288:xtSV942iNeHK7zTe97KsbvOhPQTgYnpXEXF8PbRAh6v8hOR9fH9Ybe5TV+5bN+m7:xtSVu1bfWUPEgYxE+PtAMlYq5xcAm

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.atmmakina.com
Port:
587
Username:
[email protected]
Password:
Atm9990778atm
Email To:
[email protected]

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/2292-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2292-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2292-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2292-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2292-12-0x0000000000400000-0x000000000043C000-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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2a706154bfd5a7bfddb0924141dc6aeb_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	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32

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	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
2292	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
2292	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
Token: SeDebugPrivilege	2292	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2068	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	31
PID 2520 wrote to memory of 2068	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	31
PID 2520 wrote to memory of 2068	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	31
PID 2520 wrote to memory of 2068	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	31
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2292	2520	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe	32

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	2a706154bfd5a7bfddb0924141dc6aeb_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	2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a706154bfd5a7bfddb0924141dc6aeb_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:2520
- C:\Users\Admin\AppData\Local\Temp\2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe"
  2⤵
  PID:2068
- C:\Users\Admin\AppData\Local\Temp\2a706154bfd5a7bfddb0924141dc6aeb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2a706154bfd5a7bfddb0924141dc6aeb_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:2292

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/2292-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2292-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-27-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-26-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-25-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-24-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-21-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2292-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2292-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2292-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2292-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2292-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2292-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-7-0x0000000000910000-0x000000000094C000-memory.dmp

Filesize
240KB

Download
memory/2520-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2520-1-0x0000000000950000-0x0000000000A0C000-memory.dmp

Filesize
752KB

Download
memory/2520-22-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-6-0x00000000082D0000-0x0000000008372000-memory.dmp

Filesize
648KB

Download
memory/2520-5-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-4-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2520-3-0x0000000000750000-0x0000000000766000-memory.dmp

Filesize
88KB

Download
memory/2520-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download

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