agenttesla | a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df

General

Target

a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
Size

1.2MB
MD5

5265c936cb7ab568d7810a539bd575ba
SHA1

ef11f1fa110d1b0c7bab6cc53be54928c340ee1d
SHA256

a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df
SHA512

d3d9eac08cd2189b6f900bac03978eb5067dc265ae9f8581379c3ba8200eeeeb5b36bcbadfd58d87ec3078dd9819cbf60ba5dc1b7676e0615d740f05328e6cf8
SSDEEP

24576:YJPc9WJqK9gv/Mcc6jZ2fdVNFeawBSBH1ev1RIAhjLoamMiX4lNmZg0YxegPbUID:gwSgnZ2pFeawBCcjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.anding-tw.com
Port:
587
Username:
[email protected]
Password:
zra1@!G8gQ+i

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

resource	yara_rule
behavioral2/memory/4796-10-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5076 set thread context of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 4 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	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.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

pid	Process
3472	netsh.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 1548	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	93
PID 5076 wrote to memory of 1548	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	93
PID 5076 wrote to memory of 1548	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	93
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 5076 wrote to memory of 4796	5076	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	95
PID 4796 wrote to memory of 3472	4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	96
PID 4796 wrote to memory of 3472	4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	96
PID 4796 wrote to memory of 3472	4796	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe

C:\Users\Admin\AppData\Local\Temp\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe
"C:\Users\Admin\AppData\Local\Temp\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNsoxLTRXlRwm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp12F6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1548
- C:\Users\Admin\AppData\Local\Temp\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.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:4796
- - 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:3472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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\a9d408493677dc861ac487a1afd48f71df09fce06ff34df0ac2685e124f8a4df.exe.log

Filesize
408B

MD5
cd29580176e5cd2cfe25c32540a031b1

SHA1
844900a54849d4622a80fe6e1f60fa570d016d43

SHA256
2ad488ddea8fa2bcdbafade2495ea5573ab36eb0d84dcf171c600514e3078a52

SHA512
28d1b9056572d99e99b31acbcb5b76ba9d546d8527cd666837df40018afb8a3292055428ea7516ba8b98c43d887c82c2456f4dd664d39a73b7c13b0f6d3c528e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp12F6.tmp

Filesize
1KB

MD5
44ba7616e280bacb7764832fe26f6631

SHA1
e5347667437a7bb025f0479167a6f11a9755c08e

SHA256
687e3619af6d03f43347f48d82eb8a7b59084e6ecbfcbf7477b49c487fa5a1b0

SHA512
75fa37e609fc6407d7843f472065d169bd89f96777198743687b321150caf30170e867d1c557238afeaf3f326d0902c6320c587366b0d74b8dbe60a0be651df4

Download Submit
memory/4796-14-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-10-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4796-15-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-16-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-17-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-18-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-19-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/5076-3-0x0000000074812000-0x0000000074813000-memory.dmp

Filesize
4KB

Download
memory/5076-4-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/5076-2-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/5076-1-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/5076-13-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/5076-0-0x0000000074812000-0x0000000074813000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads