agenttesla | bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb

General

Target

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
Size

619KB
MD5

1a51856f9fbaa90527b586b8d7030b7d
SHA1

5877a4fd3f228ce10e7d7e8b51f0ea1c7bac47f7
SHA256

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb
SHA512

21e7d2b77ffb22655731c23da2b349720152b4e4840629d43624fc587cb8e13b865f2fae39d4e836f48ce24f37834e0c792f1fc9828f85fedc3410a142d847a2
SSDEEP

12288:i+mbcP9Nn3KG1HO2U2leTbtilHjxzlcP7FhMQsC6dHcnR2dMstiZJpNGz5dFgMF5:iV4P9B3KMHfDkZilHjc8CMHvd/tiZJ

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
polar.argondns.net
Port:
587
Username:
[email protected]
Password:
r_z3nttsB1+u

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4800-3-0x0000000000400000-0x0000000000452000-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

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

description	pid	process	target process
PID 3200 set thread context of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

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

Processes:

netsh.exe

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

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exebf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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

Processes:

netsh.exe

pid process

3060 netsh.exe

pid	process
3060	netsh.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exebf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

pid	process
3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exebf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

description	pid	process
Token: SeDebugPrivilege	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
Token: SeDebugPrivilege	4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

pid process

4800 bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

pid	process
4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exebf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

description	pid	process	target process
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 3200 wrote to memory of 4800	3200	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
PID 4800 wrote to memory of 3060	4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	netsh.exe
PID 4800 wrote to memory of 3060	4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	netsh.exe
PID 4800 wrote to memory of 3060	4800	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

outlook_win_path 1 IoCs

Processes:

bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

C:\Users\Admin\AppData\Local\Temp\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
"C:\Users\Admin\AppData\Local\Temp\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4800
- - 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:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

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_v2.0_32\UsageLogs\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe.log

Filesize
496B

MD5
7baa6583f69f63f7230df9bf98448356

SHA1
fe9eb85b57192362da704a3c130377fe83862320

SHA256
a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

SHA512
0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

Download Submit
memory/3200-0-0x00000000746A2000-0x00000000746A3000-memory.dmp

Filesize
4KB

Download
memory/3200-1-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/3200-2-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/3200-9-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4800-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4800-7-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4800-8-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4800-6-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4800-10-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4800-11-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/4800-12-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads