agenttesla | 7f274135d183a34dec4f013a9f43bb01320ff9c797e57f5e8c15bd93e5f80113

General

Target

PO.exe
Size

567KB
MD5

0a9256b6cc55be84af07375f8fb72a3e
SHA1

727c7689f52a1d55df71ca092c6c7d5220e79636
SHA256

ec3e3215b535bb6536ecf8df92c6580950a60dcfa406bb3f855de9aab7f6c7a1
SHA512

74ac39f349cd9581eca372799ad0d8fed8d27058b5a5bc77f1b0c31e60375815a37184a1c3ae8a807eb433bcc6c061056a70ac3420330073b625fe4c0b95b7db

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:
tt@@@@@@@@@123456789

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/1992-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1992-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1992-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1992-67-0x0000000000446DCE-mapping.dmp	family_agenttesla
behavioral1/memory/1992-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1992-71-0x0000000000400000-0x000000000044C000-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.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	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.exe

description pid process target process

PID 1964 set thread context of 1992 1964 PO.exe PO.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

1116 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PO.exePO.exe

pid process

1964 PO.exe
1964 PO.exe
1992 PO.exe
1992 PO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO.exePO.exe

description pid process

Token: SeDebugPrivilege 1964 PO.exe
Token: SeDebugPrivilege 1992 PO.exe

description	pid	process	target process
PID 1964 set thread context of 1992	1964	PO.exe	PO.exe

pid	process
1116	schtasks.exe

pid	process
1964	PO.exe
1964	PO.exe
1992	PO.exe
1992	PO.exe

description	pid	process
Token: SeDebugPrivilege	1964	PO.exe
Token: SeDebugPrivilege	1992	PO.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 1964 wrote to memory of 1116	1964	PO.exe	schtasks.exe
PID 1964 wrote to memory of 1116	1964	PO.exe	schtasks.exe
PID 1964 wrote to memory of 1116	1964	PO.exe	schtasks.exe
PID 1964 wrote to memory of 1116	1964	PO.exe	schtasks.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe
PID 1964 wrote to memory of 1992	1964	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.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	PO.exe

outlook_win_path 1 IoCs

Processes:

PO.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	PO.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD76.tmp"
2⤵
- Creates scheduled task(s)
PID:1116

C:\Users\Admin\AppData\Local\Temp\PO.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1992

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\tmpBD76.tmp
Filesize
1KB

MD5
d2aa72e1e0a9b7dcb81af5082540153a

SHA1
69f84c985fea812daa2fcfd1941a7d60facb4a7e

SHA256
c7a368be198491672c06e17b5626878b39a06de3bb28c0f028cc3aff46e43d3d

SHA512
541bbb3c838c14bfc2c91d1394a99a72f76ad8c3534da1215336ffdc3d63922d456af573ced60d5dff7f9e70fc1f7c8f3cd8ad997374356ecb784695ea312692

Download Submit
memory/1116-59-0x0000000000000000-mapping.dmp

Download
memory/1964-57-0x0000000000A00000-0x0000000000A6A000-memory.dmp

Filesize
424KB

Download
memory/1964-54-0x0000000001050000-0x00000000010E2000-memory.dmp

Filesize
584KB

Download
memory/1964-58-0x00000000047C0000-0x0000000004816000-memory.dmp

Filesize
344KB

Download
memory/1964-56-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/1964-55-0x0000000075401000-0x0000000075403000-memory.dmp

Filesize
8KB

Download
memory/1992-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1992-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1992-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1992-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1992-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1992-67-0x0000000000446DCE-mapping.dmp

Download
memory/1992-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1992-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads