agenttesla | a8954e0e9bbcba4e8aaf123b30d5ac875a8f6735988a9b5fd98e91a83b997b2f

General

Target

PO#200513DCC025R-1.exe
Size

818KB
MD5

8c6804dfc7687bddaf345be3fe9bb1e8
SHA1

5c5497178a0df1d3889b8484610aeeb267aa480e
SHA256

b925f4f11ff1dbf71b77029f2fac8c760dbca123c9a3225ba29057b177e290d6
SHA512

097974d106f748420529971c6159f64e00c8eba4820da3697b858f48aadfac811b06c7d0b26a600f69fc889e17eb296ba56680c0c1ebed45d2116f425059a260

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.daiphatfood.com.vn
Port:
587
Username:
[email protected]
Password:
jn&6kG~_w;;A

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/1284-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1284-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1284-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1284-66-0x0000000000446BAE-mapping.dmp	family_agenttesla
behavioral1/memory/1284-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1284-70-0x0000000000400000-0x000000000044C000-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:

PO#200513DCC025R-1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#200513DCC025R-1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#200513DCC025R-1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#200513DCC025R-1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#200513DCC025R-1.exe

description pid process target process

PID 700 set thread context of 1284 700 PO#200513DCC025R-1.exe PO#200513DCC025R-1.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

1412 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO#200513DCC025R-1.exePO#200513DCC025R-1.exe

pid process

700 PO#200513DCC025R-1.exe
1284 PO#200513DCC025R-1.exe
1284 PO#200513DCC025R-1.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#200513DCC025R-1.exePO#200513DCC025R-1.exe

description pid process

Token: SeDebugPrivilege 700 PO#200513DCC025R-1.exe
Token: SeDebugPrivilege 1284 PO#200513DCC025R-1.exe

description	pid	process	target process
PID 700 set thread context of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe

pid	process
1412	schtasks.exe

pid	process
700	PO#200513DCC025R-1.exe
1284	PO#200513DCC025R-1.exe
1284	PO#200513DCC025R-1.exe

description	pid	process
Token: SeDebugPrivilege	700	PO#200513DCC025R-1.exe
Token: SeDebugPrivilege	1284	PO#200513DCC025R-1.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO#200513DCC025R-1.exe

description	pid	process	target process
PID 700 wrote to memory of 1412	700	PO#200513DCC025R-1.exe	schtasks.exe
PID 700 wrote to memory of 1412	700	PO#200513DCC025R-1.exe	schtasks.exe
PID 700 wrote to memory of 1412	700	PO#200513DCC025R-1.exe	schtasks.exe
PID 700 wrote to memory of 1412	700	PO#200513DCC025R-1.exe	schtasks.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe
PID 700 wrote to memory of 1284	700	PO#200513DCC025R-1.exe	PO#200513DCC025R-1.exe

outlook_office_path 1 IoCs

Processes:

PO#200513DCC025R-1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#200513DCC025R-1.exe

outlook_win_path 1 IoCs

Processes:

PO#200513DCC025R-1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#200513DCC025R-1.exe

C:\Users\Admin\AppData\Local\Temp\PO#200513DCC025R-1.exe
"C:\Users\Admin\AppData\Local\Temp\PO#200513DCC025R-1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:700

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aySFPd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD04B.tmp"
2⤵
- Creates scheduled task(s)
PID:1412

C:\Users\Admin\AppData\Local\Temp\PO#200513DCC025R-1.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1284

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\tmpD04B.tmp
Filesize
1KB

MD5
27e667a10523fe9ec57cdfd45bbed961

SHA1
38f3c5da6d627a2d9324b45412b782063c2b7fb1

SHA256
878317c5291e450a0b88ae39522d5a0cc902dafdb232c90f0272d8cdddcc0106

SHA512
404db922489f9159e5e4a37048753395c87f0a3dcc591731f0ede1f5bc6881389413b2414481b1a89bbaefaa4ee0e94026a0306816170e4d56a62d73b295260b

Download Submit
memory/700-55-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download
memory/700-56-0x0000000004940000-0x0000000004994000-memory.dmp

Filesize
336KB

Download
memory/700-57-0x0000000076721000-0x0000000076723000-memory.dmp

Filesize
8KB

Download
memory/700-54-0x00000000013E0000-0x00000000014B2000-memory.dmp

Filesize
840KB

Download
memory/1284-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1284-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1284-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1284-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1284-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1284-66-0x0000000000446BAE-mapping.dmp

Download
memory/1284-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1284-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1412-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads