agenttesla | 8f4aa88f9bcb1576b013a4bb0a6155f2c8a0c4e30f8e79f1567216337e0e908a

General

Target

Doc_072720206446.exe
Size

527KB
MD5

e4779604597264d5b3027188b7fd08fa
SHA1

095aca48d9e6a83bc8d327457e6b2dffdcb01afd
SHA256

b2755efb7d2ef6f5bc7214e4d02dbd6c48cd299f5477924501e97eee7a088b0a
SHA512

0c93b0a8544468548714fbdbb0545243de9462702b6fbf6a909aa3eb3ac06be0e787dc47cdb0f6ad57e6f04174d26d6339493163b0da656994a08518d51fa2af

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
kelechi12

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/1476-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1476-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1476-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1476-65-0x0000000000446F8E-mapping.dmp	family_agenttesla
behavioral1/memory/1476-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1476-69-0x0000000000400000-0x000000000044C000-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:

Doc_072720206446.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	Doc_072720206446.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc_072720206446.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc_072720206446.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Doc_072720206446.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\fWupL = "C:\\Users\\Admin\\AppData\\Roaming\\fWupL\\fWupL.exe"	Doc_072720206446.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Doc_072720206446.exe

description pid process target process

PID 1880 set thread context of 1476 1880 Doc_072720206446.exe Doc_072720206446.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Doc_072720206446.exeDoc_072720206446.exe

pid process

1880 Doc_072720206446.exe
1880 Doc_072720206446.exe
1476 Doc_072720206446.exe
1476 Doc_072720206446.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Doc_072720206446.exeDoc_072720206446.exe

description pid process

Token: SeDebugPrivilege 1880 Doc_072720206446.exe
Token: SeDebugPrivilege 1476 Doc_072720206446.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Doc_072720206446.exe

pid process

1476 Doc_072720206446.exe

description	pid	process	target process
PID 1880 set thread context of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe

pid	process
1880	Doc_072720206446.exe
1880	Doc_072720206446.exe
1476	Doc_072720206446.exe
1476	Doc_072720206446.exe

description	pid	process
Token: SeDebugPrivilege	1880	Doc_072720206446.exe
Token: SeDebugPrivilege	1476	Doc_072720206446.exe

pid	process
1476	Doc_072720206446.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Doc_072720206446.exe

description	pid	process	target process
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe
PID 1880 wrote to memory of 1476	1880	Doc_072720206446.exe	Doc_072720206446.exe

outlook_office_path 1 IoCs

Processes:

Doc_072720206446.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	Doc_072720206446.exe

outlook_win_path 1 IoCs

Processes:

Doc_072720206446.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	Doc_072720206446.exe

C:\Users\Admin\AppData\Local\Temp\Doc_072720206446.exe
"C:\Users\Admin\AppData\Local\Temp\Doc_072720206446.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\Doc_072720206446.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1476

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

memory/1476-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1476-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1476-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1476-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1476-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1476-65-0x0000000000446F8E-mapping.dmp

Download
memory/1476-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1476-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1880-55-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download
memory/1880-56-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/1880-57-0x0000000007400000-0x0000000007472000-memory.dmp

Filesize
456KB

Download
memory/1880-58-0x0000000000520000-0x0000000000576000-memory.dmp

Filesize
344KB

Download
memory/1880-54-0x0000000000210000-0x000000000029A000-memory.dmp

Filesize
552KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads