agenttesla | a201b7cf52a5063cf4f64484d874279e2de1aa7c6c3f29782cf1df7c719964eb

General

Target

e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
Size

841KB
MD5

e043395b884f407c2d3f605e8abc75a4
SHA1

b7410d32451dc6fbb635d937df47749cf1e50e14
SHA256

a201b7cf52a5063cf4f64484d874279e2de1aa7c6c3f29782cf1df7c719964eb
SHA512

69cb4deb332779f0a9a2480bac021c1a6fd5274d247b33570c658999e8c2628f280cacba6b8cfc925be15e9080b92ebf70675ff83f3d729545fdcfe202a5ba82
SSDEEP

12288:TmDn0eq7tjGLlA3LKx8Mbw9f659jXekRIskDnT85:g/qttpM8p66kRio5

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
africa@@@@@

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/2820-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2820-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2820-11-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2820-8-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2820-7-0x0000000000400000-0x000000000044E000-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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30

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	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
2820	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30
PID 2696 wrote to memory of 2820	2696	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\e043395b884f407c2d3f605e8abc75a4_JaffaCakes118.exe
  "{path}"
  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:2820

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/2696-0-0x0000000074601000-0x0000000074602000-memory.dmp

Filesize
4KB

Download
memory/2696-1-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2696-2-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2696-16-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2820-17-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-18-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-19-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-20-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-21-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-22-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-23-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-24-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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