agenttesla | 25b053a977a63f13c383b7e3de256e5c20ea50524325211e8d1ee415bdbe5671

General

Target

ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
Size

750KB
MD5

ec7367b9beb277067a569bccabc5ad93
SHA1

92155ec04724b64fe833cc16b2d5c6e6e44d6a81
SHA256

25b053a977a63f13c383b7e3de256e5c20ea50524325211e8d1ee415bdbe5671
SHA512

2bde97416c5f008811e406d36ba74f616500132e70e3f8b806d4af30b6b3f2182a86471049e17663c43bb21c1aebb9e4bbacd33d7bc29884900589f3f5bc1a4a
SSDEEP

12288:G/XajMQHg/CBwuO5fO0xLoeIFxMnFth2/SqT3wUCkAvu5LEzjKCQ4ifhqGsPgayJ:G/XaIbOOqF2nLY/Sq1CkAGYjK54TH

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.caisvn.com
Port:
587
Username:
[email protected]
Password:
PTVXgsM4

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/2872-24-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2872-22-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2872-20-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2872-16-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2872-14-0x0000000000400000-0x0000000000466000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 2872	2012	ec7367b9beb277067a569bccabc5ad93_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	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
2872	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
2872	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
Token: SeDebugPrivilege	2872	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31
PID 2012 wrote to memory of 2872	2012	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec7367b9beb277067a569bccabc5ad93_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:2012
- C:\Users\Admin\AppData\Local\Temp\ec7367b9beb277067a569bccabc5ad93_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ec7367b9beb277067a569bccabc5ad93_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:2872

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/2012-27-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-1-0x0000000000CA0000-0x0000000000D64000-memory.dmp

Filesize
784KB

Download
memory/2012-2-0x0000000004210000-0x00000000042AC000-memory.dmp

Filesize
624KB

Download
memory/2012-3-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-4-0x00000000004B0000-0x00000000004C8000-memory.dmp

Filesize
96KB

Download
memory/2012-5-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/2012-6-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-7-0x00000000055F0000-0x0000000005678000-memory.dmp

Filesize
544KB

Download
memory/2012-8-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/2012-9-0x0000000005890000-0x00000000058F8000-memory.dmp

Filesize
416KB

Download
memory/2012-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/2872-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-22-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-25-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-26-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-24-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-28-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-29-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download

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