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
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV and NOA.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

INV and NOA.exe

description pid process target process

PID 1400 set thread context of 1276 1400 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

2044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

INV and NOA.exeINV and NOA.exe

pid process

1400 INV and NOA.exe
1276 INV and NOA.exe
1276 INV and NOA.exe
1276 INV and NOA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INV and NOA.exeINV and NOA.exe

description pid process

Token: SeDebugPrivilege 1400 INV and NOA.exe
Token: SeDebugPrivilege 1276 INV and NOA.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1400 set thread context of 1276	1400	INV and NOA.exe	INV and NOA.exe

pid	process
2044	schtasks.exe

pid	process
1400	INV and NOA.exe
1276	INV and NOA.exe
1276	INV and NOA.exe
1276	INV and NOA.exe

description	pid	process
Token: SeDebugPrivilege	1400	INV and NOA.exe
Token: SeDebugPrivilege	1276	INV and NOA.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

INV and NOA.exe

description	pid	process	target process
PID 1400 wrote to memory of 2044	1400	INV and NOA.exe	schtasks.exe
PID 1400 wrote to memory of 2044	1400	INV and NOA.exe	schtasks.exe
PID 1400 wrote to memory of 2044	1400	INV and NOA.exe	schtasks.exe
PID 1400 wrote to memory of 2044	1400	INV and NOA.exe	schtasks.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	INV and NOA.exe	INV and NOA.exe
PID 1400 wrote to memory of 1276	1400	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-1-5-21-3845472200-3839195424-595303356-1000\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-1-5-21-3845472200-3839195424-595303356-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrorzNZhIKQsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp568A.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

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:1276

Network

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\tmp568A.tmp
Filesize
1KB

MD5
e0dc4b21f3bff34ea00d2bad991db7cc

SHA1
7813cfb66541028af5138025c8190016075f7d4a

SHA256
05dd6486ff5037a30c2f3b3873260e9433db352ba5a39c681ed525b435c37051

SHA512
15817c1b6a7a50da54d1eb02972d1a756a677aac4b282211349e34a23a49093e2cc4e94a86696f02621ae5ed45df25b24130425a4473f41b0a3062fd584971a5

Download Submit
memory/1276-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-67-0x0000000000437B8E-mapping.dmp

Download
memory/1276-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1400-54-0x00000000012A0000-0x000000000138A000-memory.dmp

Filesize
936KB

Download
memory/1400-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/1400-56-0x0000000000210000-0x0000000000222000-memory.dmp

Filesize
72KB

Download
memory/1400-58-0x00000000055D0000-0x000000000564C000-memory.dmp

Filesize
496KB

Download
memory/1400-57-0x0000000005770000-0x0000000005832000-memory.dmp

Filesize
776KB

Download
memory/2044-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads