agenttesla | b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855

General

Target

b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
Size

493KB
MD5

f3312645edff631f811742eb991c16a4
SHA1

271b9852ef6fc79c2edaba5706404268c2a0244e
SHA256

b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855
SHA512

cba75ce9640c93a623d9fd440f59f484ad0984ea4a6836c335c1914a40539c1542c8bf22ea51903598f5fa06d5ccab1f3db8eef736d6d9630096604146ecd8e0
SSDEEP

12288:RUi2iNQePo/xOoqSW9Dvbk1u/AO1irieZ1QIAptQWMmsxt2:RUi1Q/koq5zEO1+dyIAp+Waxt2

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.karanex.com
Port:
587
Username:
[email protected]
Password:
zarazita404

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2828-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2828-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2828-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2828-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2828-17-0x0000000000400000-0x000000000043C000-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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.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	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2828	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
2828	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2828	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31
PID 2380 wrote to memory of 2828	2380	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe	31

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	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.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	b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe

C:\Users\Admin\AppData\Local\Temp\b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
"C:\Users\Admin\AppData\Local\Temp\b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe
  "C:\Users\Admin\AppData\Local\Temp\b9dd9c8a2563c1d52c5db53306eb6ddc81381b93c8e924f196d00cfa12171855.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2828

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/2380-19-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-1-0x0000000000920000-0x00000000009A2000-memory.dmp

Filesize
520KB

Download
memory/2380-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x00000000002C0000-0x00000000002CE000-memory.dmp

Filesize
56KB

Download
memory/2380-4-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000004F90000-0x0000000004FF0000-memory.dmp

Filesize
384KB

Download
memory/2380-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2828-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-18-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-20-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-21-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-22-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-23-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-24-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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