agenttesla | 5979d11d335b4bed595bcff0cac6f729febd9720fc014466437e90dd51238bae

General

Target

shipment documents.exe
Size

370KB
MD5

4f267c8f0648a52ff6b06816e724949a
SHA1

5f127ece1dcc7fa1d94dd3328bb8e368bd470628
SHA256

d9351ce503256f14f917a5cb7adfcdcf07a9364973fc324dc9517d407c6bdd0a
SHA512

fd528d37848a1fdff3a92aa44441b3445fc1b7f12ad41dc01f4d4c74dd2bb21d5bfa2f03377d9942918cf3f2bf1ca7421beb7e2557a8f5fbc21836cb9a99ece1

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.sankapatrol.com
Port:
587
Username:
[email protected]
Password:
OFFICE@2020

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/936-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/936-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/936-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/936-64-0x000000000044732E-mapping.dmp	family_agenttesla
behavioral1/memory/936-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/936-68-0x0000000000400000-0x000000000044C000-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:

shipment documents.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shipment documents.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shipment documents.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shipment documents.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

shipment documents.exe

description pid process target process

PID 2020 set thread context of 936 2020 shipment documents.exe shipment documents.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

1356 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

shipment documents.exe

pid process

936 shipment documents.exe
936 shipment documents.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

shipment documents.exe

description pid process

Token: SeDebugPrivilege 936 shipment documents.exe

description	pid	process	target process
PID 2020 set thread context of 936	2020	shipment documents.exe	shipment documents.exe

pid	process
1356	schtasks.exe

pid	process
936	shipment documents.exe
936	shipment documents.exe

description	pid	process
Token: SeDebugPrivilege	936	shipment documents.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

shipment documents.exe

description	pid	process	target process
PID 2020 wrote to memory of 1356	2020	shipment documents.exe	schtasks.exe
PID 2020 wrote to memory of 1356	2020	shipment documents.exe	schtasks.exe
PID 2020 wrote to memory of 1356	2020	shipment documents.exe	schtasks.exe
PID 2020 wrote to memory of 1356	2020	shipment documents.exe	schtasks.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe
PID 2020 wrote to memory of 936	2020	shipment documents.exe	shipment documents.exe

outlook_office_path 1 IoCs

Processes:

shipment documents.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shipment documents.exe

outlook_win_path 1 IoCs

Processes:

shipment documents.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shipment documents.exe

C:\Users\Admin\AppData\Local\Temp\shipment documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipment documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tYIAcvUEttPVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF799.tmp"
2⤵
- Creates scheduled task(s)
PID:1356

C:\Users\Admin\AppData\Local\Temp\shipment documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipment documents.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:936

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

System Information Discovery

1

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\Temp\tmpF799.tmp

Filesize
1KB

MD5
714f7c33460097b3f2af06e3966b9a9a

SHA1
22f6aad6c5a764938893ab4597327ad3c93c90b5

SHA256
8c9aa1841cea17ff7da0aaf05a9dfaa13beac12e685804bfe5ded11e81c84fe2

SHA512
d217147ac3c588138e7d1116221a2cfe47b1ce49fd02552dbb5f2b1142d3e03959fdc3ff05dfe6b3e4e437f0a91bb9f4264d8ac753520d6192ed1baba08b7e9a

Download Submit
memory/936-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-64-0x000000000044732E-mapping.dmp

Download
memory/936-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/936-70-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/936-71-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/1356-56-0x0000000000000000-mapping.dmp

Download
memory/2020-55-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2020-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads