agenttesla | 44f3cb31cb0eaececb35e3d1bdf180b088a5e09cbddfea663c564b3913433473

General

Target

payroll.exe
Size

703KB
MD5

5d92e59673df06713a2a37f7a4fbdafc
SHA1

c188318d7a1e6367317c5c541145241ca1afe6f9
SHA256

2b80556f6cd49c291e54b1f0d7d3f15664958412ea6d2c36273e356de9081966
SHA512

54a638bc3bb6ba6ca40a0e73e75335a2be24c3e03de293b08ce1891d617e1f123cf09ac7ea6df682ce668b47f6503fc0c882c57171b45302f1114f5c9348f55b

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:
Logmein1

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2028-58-0x0000000000380000-0x00000000003D2000-memory.dmp	family_agenttesla
behavioral1/memory/2028-57-0x0000000000380000-0x00000000003D2000-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:

payroll.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

payroll.exe

description pid process target process

PID 1904 set thread context of 2028 1904 payroll.exe payroll.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

payroll.exepayroll.exe

pid process

1904 payroll.exe
2028 payroll.exe
2028 payroll.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

payroll.exe

pid process

1904 payroll.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

payroll.exe

description pid process

Token: SeDebugPrivilege 2028 payroll.exe

description	pid	process	target process
PID 1904 set thread context of 2028	1904	payroll.exe	payroll.exe

pid	process
1904	payroll.exe
2028	payroll.exe
2028	payroll.exe

pid	process
1904	payroll.exe

description	pid	process
Token: SeDebugPrivilege	2028	payroll.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

payroll.exepayroll.exe

description	pid	process	target process
PID 1904 wrote to memory of 2028	1904	payroll.exe	payroll.exe
PID 1904 wrote to memory of 2028	1904	payroll.exe	payroll.exe
PID 1904 wrote to memory of 2028	1904	payroll.exe	payroll.exe
PID 1904 wrote to memory of 2028	1904	payroll.exe	payroll.exe
PID 2028 wrote to memory of 432	2028	payroll.exe	netsh.exe
PID 2028 wrote to memory of 432	2028	payroll.exe	netsh.exe
PID 2028 wrote to memory of 432	2028	payroll.exe	netsh.exe
PID 2028 wrote to memory of 432	2028	payroll.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

payroll.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	payroll.exe

outlook_win_path 1 IoCs

Processes:

payroll.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	payroll.exe

C:\Users\Admin\AppData\Local\Temp\payroll.exe
"C:\Users\Admin\AppData\Local\Temp\payroll.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1904

C:\Users\Admin\AppData\Local\Temp\payroll.exe
"C:\Users\Admin\AppData\Local\Temp\payroll.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2028

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/432-61-0x0000000000000000-mapping.dmp

Download
memory/1904-54-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1904-56-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2028-55-0x00000000004AE140-mapping.dmp

Download
memory/2028-58-0x0000000000380000-0x00000000003D2000-memory.dmp

Filesize
328KB

Download
memory/2028-57-0x0000000000380000-0x00000000003D2000-memory.dmp

Filesize
328KB

Download
memory/2028-60-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads