agenttesla | cdaeee154a00a752e76a6a8c2c5d05727b968bc85c89653524c119e09021b357

General

Target

e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
Size

436KB
MD5

e997286bf6f454e056c7c56369182c7a
SHA1

cf725b605c049ccc1ecccedac2839af072171b1c
SHA256

cdaeee154a00a752e76a6a8c2c5d05727b968bc85c89653524c119e09021b357
SHA512

64d08183f2bd5dfd3b8ff1bdc47f8b11861e6cc859388a22f90c05c5cc5214285a1d0c16ca607943c62249a316be8c9e793d057e5d9cc81c70b01a96acaa1c51
SSDEEP

12288:WYLpBtJDAysupDDU8OpT7Yx9TFuxXwpJ:nbP5wToTFu

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
Good1234@@@

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/2796-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-10-0x0000000000400000-0x000000000043C000-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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2796	1960	e997286bf6f454e056c7c56369182c7a_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	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2796	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
2796	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31
PID 1960 wrote to memory of 2796	1960	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e997286bf6f454e056c7c56369182c7a_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2796

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/1960-0-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/1960-1-0x0000000000090000-0x0000000000104000-memory.dmp

Filesize
464KB

Download
memory/1960-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1960-3-0x00000000002A0000-0x00000000002A8000-memory.dmp

Filesize
32KB

Download
memory/1960-4-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/1960-5-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1960-6-0x00000000048D0000-0x0000000004928000-memory.dmp

Filesize
352KB

Download
memory/1960-7-0x00000000007A0000-0x00000000007E0000-memory.dmp

Filesize
256KB

Download
memory/1960-21-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-19-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-20-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-22-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-23-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-24-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download

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