agenttesla | 6eb7b74ec39eea1a0b9f4aa7e956b1cee9fbd96d4b7cc909de553c6b7b8d5d27

General

Target

PO3340-22052020.exe
Size

544KB
MD5

35c5e71f48be7d9def690629f4ccd29f
SHA1

e0220c136536a09798dcbe6ba3149359a6b05939
SHA256

2a4abd200745105770d74dbf311c5c1b4cfff4ce743cadd3d0cce2060648a119
SHA512

da227731023ff11bb9ea4e391ebfcf27fb83e52cfefd9ea58fbeb3d632bc56bf751c684e4f6c8ec6feb2c7a47df1a3256b07798156bf7af5476ed15f6d0afaa6

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.impressindia.net
Port:
587
Username:
zip@impressindia.net
Password:
!,tR}%PDdI0N

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/1936-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1936-67-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1936-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1936-68-0x000000000044C9FE-mapping.dmp	family_agenttesla
behavioral1/memory/1936-71-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1936-73-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

PO3340-22052020.exe

pid process

1936 PO3340-22052020.exe
Loads dropped DLL 1 IoCs

Processes:

PO3340-22052020.exe

pid process

1448 PO3340-22052020.exe
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

pid	process
1936	PO3340-22052020.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO3340-22052020.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	PO3340-22052020.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3340-22052020.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3340-22052020.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO3340-22052020.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiotl = "\"C:\\Users\\Admin\\audiotl.exe\""	PO3340-22052020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO3340-22052020.exe

description pid process target process

PID 1448 set thread context of 1936 1448 PO3340-22052020.exe PO3340-22052020.exe

description	pid	process	target process
PID 1448 set thread context of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

PO3340-22052020.exePO3340-22052020.exe

pid	process
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1448	PO3340-22052020.exe
1936	PO3340-22052020.exe
1936	PO3340-22052020.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO3340-22052020.exePO3340-22052020.exe

description pid process

Token: SeDebugPrivilege 1448 PO3340-22052020.exe
Token: SeDebugPrivilege 1936 PO3340-22052020.exe

description	pid	process
Token: SeDebugPrivilege	1448	PO3340-22052020.exe
Token: SeDebugPrivilege	1936	PO3340-22052020.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO3340-22052020.exePO3340-22052020.exe

description	pid	process	target process
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1448 wrote to memory of 1936	1448	PO3340-22052020.exe	PO3340-22052020.exe
PID 1936 wrote to memory of 1052	1936	PO3340-22052020.exe	netsh.exe
PID 1936 wrote to memory of 1052	1936	PO3340-22052020.exe	netsh.exe
PID 1936 wrote to memory of 1052	1936	PO3340-22052020.exe	netsh.exe
PID 1936 wrote to memory of 1052	1936	PO3340-22052020.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

PO3340-22052020.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	PO3340-22052020.exe

outlook_win_path 1 IoCs

Processes:

PO3340-22052020.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	PO3340-22052020.exe

C:\Users\Admin\AppData\Local\Temp\PO3340-22052020.exe
"C:\Users\Admin\AppData\Local\Temp\PO3340-22052020.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\PO3340-22052020.exe
"C:\Users\Admin\AppData\Local\Temp\PO3340-22052020.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1936

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1052

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

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\PO3340-22052020.exe
Filesize
544KB

MD5
35c5e71f48be7d9def690629f4ccd29f

SHA1
e0220c136536a09798dcbe6ba3149359a6b05939

SHA256
2a4abd200745105770d74dbf311c5c1b4cfff4ce743cadd3d0cce2060648a119

SHA512
da227731023ff11bb9ea4e391ebfcf27fb83e52cfefd9ea58fbeb3d632bc56bf751c684e4f6c8ec6feb2c7a47df1a3256b07798156bf7af5476ed15f6d0afaa6

Download Submit
\Users\Admin\AppData\Local\Temp\PO3340-22052020.exe
Filesize
544KB

MD5
35c5e71f48be7d9def690629f4ccd29f

SHA1
e0220c136536a09798dcbe6ba3149359a6b05939

SHA256
2a4abd200745105770d74dbf311c5c1b4cfff4ce743cadd3d0cce2060648a119

SHA512
da227731023ff11bb9ea4e391ebfcf27fb83e52cfefd9ea58fbeb3d632bc56bf751c684e4f6c8ec6feb2c7a47df1a3256b07798156bf7af5476ed15f6d0afaa6

Download Submit
memory/1052-75-0x0000000000000000-mapping.dmp

Download
memory/1448-55-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1448-56-0x00000000003B0000-0x00000000003B8000-memory.dmp

Filesize
32KB

Download
memory/1448-57-0x0000000000690000-0x00000000006DC000-memory.dmp

Filesize
304KB

Download
memory/1448-58-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/1448-59-0x0000000000630000-0x0000000000646000-memory.dmp

Filesize
88KB

Download
memory/1448-60-0x0000000000750000-0x0000000000762000-memory.dmp

Filesize
72KB

Download
memory/1448-54-0x00000000008D0000-0x000000000095E000-memory.dmp

Filesize
568KB

Download
memory/1936-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1936-67-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1936-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1936-68-0x000000000044C9FE-mapping.dmp

Download
memory/1936-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1936-71-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1936-73-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1936-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads