agenttesla | b9e657ad61aac62271e5bab6f366cccf52dedcfe5045a77883b0b05cea27d84b

General

Target

Image.exe
Size

462KB
MD5

3f298f73944083913be6602ad5b99ab8
SHA1

be24ce20a8ebc266dfdc4bb04aa6a49654806275
SHA256

4692f4e0ec2163456ca3eb3a20625b55a31601e00b35f2ac96ecadc927ae3969
SHA512

71bf5a990cf3aa6a56a2838f71be9712401944d38a39d6d7708269d68f74ee6e5e22f16d6d9fca7eb9228cf6f39d96bcf1d9b1d784c99093c427a8ca9335d71a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
alibaba.comalibaba.com123

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2036-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2036-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2036-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2036-64-0x000000000044CF8E-mapping.dmp	family_agenttesla
behavioral1/memory/2036-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2036-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Image.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Image.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Image.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Image.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Image.exe

description pid process target process

PID 892 set thread context of 2036 892 Image.exe Image.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Image.exe

pid process

2036 Image.exe
2036 Image.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Image.exe

description pid process

Token: SeDebugPrivilege 2036 Image.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Image.exe

pid process

2036 Image.exe

description	pid	process	target process
PID 892 set thread context of 2036	892	Image.exe	Image.exe

pid	process
2044	schtasks.exe

pid	process
2036	Image.exe
2036	Image.exe

description	pid	process
Token: SeDebugPrivilege	2036	Image.exe

pid	process
2036	Image.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Image.exeImage.exe

description	pid	process	target process
PID 892 wrote to memory of 2044	892	Image.exe	schtasks.exe
PID 892 wrote to memory of 2044	892	Image.exe	schtasks.exe
PID 892 wrote to memory of 2044	892	Image.exe	schtasks.exe
PID 892 wrote to memory of 2044	892	Image.exe	schtasks.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 892 wrote to memory of 2036	892	Image.exe	Image.exe
PID 2036 wrote to memory of 1448	2036	Image.exe	netsh.exe
PID 2036 wrote to memory of 1448	2036	Image.exe	netsh.exe
PID 2036 wrote to memory of 1448	2036	Image.exe	netsh.exe
PID 2036 wrote to memory of 1448	2036	Image.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Image.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Image.exe

outlook_win_path 1 IoCs

Processes:

Image.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Image.exe

C:\Users\Admin\AppData\Local\Temp\Image.exe
"C:\Users\Admin\AppData\Local\Temp\Image.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JffFpSVjszITa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10E3.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

C:\Users\Admin\AppData\Local\Temp\Image.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2036

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1448

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp10E3.tmp
Filesize
1KB

MD5
cb99b565afcd8537077169b8f08ad8da

SHA1
71b3a440509d9632dbe4371bdb5d37701d424325

SHA256
38a65ced06aa103267ffa1079b46ee5cbd1b6da421c8196cdffd09cbe8b0cb20

SHA512
c289d0d8228432c12cd518fc72a0868ba890202b3b5d584bc7a6e4b5c7a348adebb9dcb4aad842ec871bba060c44816899f9e15b0490fee47ae97888ba992981

Download Submit
memory/892-54-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/892-55-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/1448-71-0x0000000000000000-mapping.dmp

Download
memory/2036-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-64-0x000000000044CF8E-mapping.dmp

Download
memory/2036-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2036-70-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads