agenttesla | b33ad8c19c7d05ef5e089aee474e1c596787329a41323be0ca7401186402ce22

General

Target

INV and NOA.exe
Size

914KB
MD5

eece97d66f499d5bc467b57dc23fd6aa
SHA1

cfd55a1a6de54a074c202169e2d1a050727ead6c
SHA256

b33ad8c19c7d05ef5e089aee474e1c596787329a41323be0ca7401186402ce22
SHA512

ce17d7659d8220ada495ae64e7cf6c63d1f44a462320bab18a50df1009de94e7b9101f54f22ffd4d00788b6a408a189d7c7f54c5c5147abb0e8e7e796fd737e4
SSDEEP

24576:36U376CNSebh0qxoRaDXx3CQbk1vYKtSBObztIskFgqIyX:3TXh0q3zxNbcztIObznkVX

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.southernboilers.org
Port:
587
Username:
[email protected]
Password:
Sksmoke2018#
Email To:
[email protected]

Signatures

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

Processes:

INV and NOA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	INV and NOA.exe

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:

INV and NOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

49 api.ipify.org
50 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

INV and NOA.exe

description pid process target process

PID 1616 set thread context of 3432 1616 INV and NOA.exe INV and NOA.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

752 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

INV and NOA.exeINV and NOA.exe

pid process

1616 INV and NOA.exe
3432 INV and NOA.exe
3432 INV and NOA.exe
3432 INV and NOA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INV and NOA.exeINV and NOA.exe

description pid process

Token: SeDebugPrivilege 1616 INV and NOA.exe
Token: SeDebugPrivilege 3432 INV and NOA.exe

flow	ioc
49	api.ipify.org
50	api.ipify.org

description	pid	process	target process
PID 1616 set thread context of 3432	1616	INV and NOA.exe	INV and NOA.exe

pid	process
752	schtasks.exe

pid	process
1616	INV and NOA.exe
3432	INV and NOA.exe
3432	INV and NOA.exe
3432	INV and NOA.exe

description	pid	process
Token: SeDebugPrivilege	1616	INV and NOA.exe
Token: SeDebugPrivilege	3432	INV and NOA.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

INV and NOA.exe

description	pid	process	target process
PID 1616 wrote to memory of 752	1616	INV and NOA.exe	schtasks.exe
PID 1616 wrote to memory of 752	1616	INV and NOA.exe	schtasks.exe
PID 1616 wrote to memory of 752	1616	INV and NOA.exe	schtasks.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe
PID 1616 wrote to memory of 3432	1616	INV and NOA.exe	INV and NOA.exe

outlook_office_path 1 IoCs

Processes:

INV and NOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe

outlook_win_path 1 IoCs

Processes:

INV and NOA.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe

C:\Users\Admin\AppData\Local\Temp\INV and NOA.exe
"C:\Users\Admin\AppData\Local\Temp\INV and NOA.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrorzNZhIKQsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpECE0.tmp"
2⤵
- Creates scheduled task(s)
PID:752

C:\Users\Admin\AppData\Local\Temp\INV and NOA.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3432

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

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\INV and NOA.exe.log

Filesize
1KB

MD5
7ef67a0a2b1e31df887adcdaf86e4bbd

SHA1
348aad52be33f1a0c477e2ace332ecf91bb0e1a8

SHA256
af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

SHA512
4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpECE0.tmp

Filesize
1KB

MD5
562f8e10af61552f75633133b5025999

SHA1
17a2e4e740fe3c3c259b535cc5b8cce2d9576c58

SHA256
381571b8a83b90bd74e495eef634c26b7da76a054b1911ee3f358b13574b2473

SHA512
12109a266e5719e9541af8f20fc4ef19851adee16bf9ff94a8b226f8d32510424fb933d54880b7a31c3804608a2b32f630d69314e6483d5df3ab2ff449a60e2f

Download Submit
memory/752-137-0x0000000000000000-mapping.dmp

Download
memory/1616-132-0x0000000000B60000-0x0000000000C4A000-memory.dmp

Filesize
936KB

Download
memory/1616-133-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/1616-134-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/1616-135-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/1616-136-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/3432-139-0x0000000000000000-mapping.dmp

Download
memory/3432-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3432-142-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/3432-143-0x0000000006A40000-0x0000000006A90000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads