agenttesla | cc48e4f310d824fbd5cfd4a236d25f0ed3c3e1c2379ae8220cefbb2d2d9afa10

General

Target

d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
Size

465KB
MD5

d980643c1c2d283b1a20ef5efb133514
SHA1

b26f5f4dbd42aa5e7e2106c721638132a9bf4486
SHA256

cc48e4f310d824fbd5cfd4a236d25f0ed3c3e1c2379ae8220cefbb2d2d9afa10
SHA512

18014340c0fa5d6a64cb81788fdcd5e4bc6ed4d634893b1042a338e6da2ec31121da412f4394aa5a6acba91e9adc051e5ec3e16f88d71190e221439c47e51ca4
SSDEEP

6144:WEdbB5SOMk1+itLCFL9LLWIZkiigZR09GUff31TF0zUvg0HDj8RngTn0Xmw3JlKt:vbB5SwwFZLWISiiwBUfflTGg3IXmw

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.epaindemgroup.com
Port:
587
Username:
[email protected]
Password:
jpoxPg3q

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/2188-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2188-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2188-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2188-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2188-15-0x0000000000400000-0x000000000043C000-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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2288 set thread context of 2188	2288	d980643c1c2d283b1a20ef5efb133514_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	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
2188	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2188	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2188	2288	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\d980643c1c2d283b1a20ef5efb133514_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d980643c1c2d283b1a20ef5efb133514_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:2188

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/2188-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-23-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2188-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-22-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2188-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2188-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-19-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2188-21-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2188-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2188-20-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2288-0-0x0000000074F41000-0x0000000074F42000-memory.dmp

Filesize
4KB

Download
memory/2288-18-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2288-1-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2288-2-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2288-4-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download
memory/2288-3-0x0000000074F40000-0x00000000754EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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