agenttesla | d0ade5ab3b7e797ab6acd7e776f0fb4f6b6d3b32e1622be8f27f4709646bfead

General

Target

Arrival Notification AWB PL invoice & BL.exe
Size

701KB
MD5

b536f38b18b4d21973e8d2c19620da37
SHA1

63f4a671f9536e5505b572def8375a618fb2919c
SHA256

78ba6f6da444f33682e0878941f2258ea538b85eb1b7b96d7d15e19656327664
SHA512

8520958ec8f32c32811a772f4789ebf313f674b899f7e718e84e4a6c90e2ade41b11b5f0ecebe61a6018192d48e74ccf9db96bf906a2ced896f4a2fe084fd3fb
SSDEEP

6144:3kzwuh8BSfN7Bv16pDBCNUg5v2nZuvBdHI6WTJ1JK6ipY9ID382FI1JtpkmOdd0/:3YwutfN7BvQ02iITJu6tGs+ODpkG

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Credentials

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

Signatures

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

AgentTesla payload 2 IoCs

resource	yara_rule
behavioral2/memory/5464-1-0x00000000009B0000-0x0000000000A66000-memory.dmp	family_agenttesla
behavioral2/memory/5288-12-0x0000000000400000-0x0000000000452000-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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Arrival Notification AWB PL invoice & BL.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Arrival Notification AWB PL invoice & BL.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Arrival Notification AWB PL invoice & BL.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KsVAR = "C:\\Users\\Admin\\AppData\\Roaming\\KsVAR\\KsVAR.exe"	Arrival Notification AWB PL invoice & BL.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5464 set thread context of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Arrival Notification AWB PL invoice & BL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Arrival Notification AWB PL invoice & BL.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
1736	netsh.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5464	Arrival Notification AWB PL invoice & BL.exe
5464	Arrival Notification AWB PL invoice & BL.exe
5464	Arrival Notification AWB PL invoice & BL.exe
5288	Arrival Notification AWB PL invoice & BL.exe
5288	Arrival Notification AWB PL invoice & BL.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5464	Arrival Notification AWB PL invoice & BL.exe
Token: SeDebugPrivilege	5288	Arrival Notification AWB PL invoice & BL.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5464 wrote to memory of 5288	5464	Arrival Notification AWB PL invoice & BL.exe	97
PID 5288 wrote to memory of 1736	5288	Arrival Notification AWB PL invoice & BL.exe	99
PID 5288 wrote to memory of 1736	5288	Arrival Notification AWB PL invoice & BL.exe	99
PID 5288 wrote to memory of 1736	5288	Arrival Notification AWB PL invoice & BL.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Arrival Notification AWB PL invoice & BL.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Arrival Notification AWB PL invoice & BL.exe

C:\Users\Admin\AppData\Local\Temp\Arrival Notification AWB PL invoice & BL.exe
"C:\Users\Admin\AppData\Local\Temp\Arrival Notification AWB PL invoice & BL.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5464
- C:\Users\Admin\AppData\Local\Temp\Arrival Notification AWB PL invoice & BL.exe
  "C:\Users\Admin\AppData\Local\Temp\Arrival Notification AWB PL invoice & BL.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:5288
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:1736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Modify Registry

1

T1112

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

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Arrival Notification AWB PL invoice & BL.exe.log

Filesize
1KB

MD5
fc13935f3038bdde6cb484249fbff668

SHA1
a4c32013e6d59bf1eb1a5119456965de191e62b8

SHA256
de064c569a5f4edaf2da91d7bcb82bab06a35190b699cede1da0aa616a23d676

SHA512
5817275af0f8a48eb1e008d39f62fb3582db9a2d21a806e9f9ee36fbfd799fb17e91f0e3686f4b236724fe78f14ae7f40cd3755f0ec0fb6734ce42f996b798f7

Download Submit
memory/5288-19-0x00000000057E0000-0x00000000057F8000-memory.dmp

Filesize
96KB

Download
memory/5288-21-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5288-33-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5288-32-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5288-31-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/5288-16-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5288-22-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5288-20-0x0000000006510000-0x0000000006576000-memory.dmp

Filesize
408KB

Download
memory/5288-18-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/5288-17-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5288-24-0x0000000006B00000-0x0000000006B50000-memory.dmp

Filesize
320KB

Download
memory/5288-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/5464-4-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/5464-11-0x0000000005D60000-0x0000000005D6A000-memory.dmp

Filesize
40KB

Download
memory/5464-1-0x00000000009B0000-0x0000000000A66000-memory.dmp

Filesize
728KB

Download
memory/5464-10-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5464-9-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5464-15-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5464-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/5464-2-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5464-7-0x0000000005B50000-0x0000000005B5A000-memory.dmp

Filesize
40KB

Download
memory/5464-6-0x00000000060C0000-0x0000000006664000-memory.dmp

Filesize
5.6MB

Download
memory/5464-5-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5464-8-0x0000000005C00000-0x0000000005C92000-memory.dmp

Filesize
584KB

Download
memory/5464-3-0x0000000002EE0000-0x0000000002F00000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads