agenttesla | 4a2a1daa1760a7423f2b755dea3b32ccb7efc5a4b3ddd866f1de2eafcbf7c9d0

General

Target

promisecrypted.exe
Size

691KB
MD5

47bb488aeb3ce0e005ac5e1a9d57bfda
SHA1

63d44c1fb00ec4910d9ad95cc15daf6e86ed3cdd
SHA256

85f9449b3bf138291017bff513ccc66cdbbb81478098149bf6ddaf44410c235e
SHA512

f1426c35ec3f265d028e4f70867f4e62b95b39842abbd7ca8cae395fec34de27ce9d58849f7a4a8f6acfa4aeb7fe3abf643eeb9e5a8c1c9139940f2be91b2169

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.insooryaexpresscargo.com
Port:
587
Username:
[email protected]
Password:
GuG5GK(3m7*Z

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.insooryaexpresscargo.com
Port:
587
Username:
[email protected]
Password:
GuG5GK(3m7*Z

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
behavioral4/memory/2984-133-0x0000000000A10000-0x0000000000A62000-memory.dmp	family_agenttesla
behavioral4/memory/2984-132-0x0000000000A10000-0x0000000000A62000-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:

promisecrypted.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	promisecrypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	promisecrypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	promisecrypted.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

promisecrypted.exe

description pid process target process

PID 1496 set thread context of 2984 1496 promisecrypted.exe promisecrypted.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

promisecrypted.exepromisecrypted.exe

pid process

1496 promisecrypted.exe
1496 promisecrypted.exe
2984 promisecrypted.exe
2984 promisecrypted.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

promisecrypted.exe

pid process

1496 promisecrypted.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

promisecrypted.exe

description pid process

Token: SeDebugPrivilege 2984 promisecrypted.exe

description	pid	process	target process
PID 1496 set thread context of 2984	1496	promisecrypted.exe	promisecrypted.exe

pid	process
1496	promisecrypted.exe
1496	promisecrypted.exe
2984	promisecrypted.exe
2984	promisecrypted.exe

pid	process
1496	promisecrypted.exe

description	pid	process
Token: SeDebugPrivilege	2984	promisecrypted.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

promisecrypted.exepromisecrypted.exe

description	pid	process	target process
PID 1496 wrote to memory of 2984	1496	promisecrypted.exe	promisecrypted.exe
PID 1496 wrote to memory of 2984	1496	promisecrypted.exe	promisecrypted.exe
PID 1496 wrote to memory of 2984	1496	promisecrypted.exe	promisecrypted.exe
PID 2984 wrote to memory of 884	2984	promisecrypted.exe	netsh.exe
PID 2984 wrote to memory of 884	2984	promisecrypted.exe	netsh.exe
PID 2984 wrote to memory of 884	2984	promisecrypted.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

promisecrypted.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	promisecrypted.exe

outlook_win_path 1 IoCs

Processes:

promisecrypted.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	promisecrypted.exe

C:\Users\Admin\AppData\Local\Temp\promisecrypted.exe
"C:\Users\Admin\AppData\Local\Temp\promisecrypted.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1496

C:\Users\Admin\AppData\Local\Temp\promisecrypted.exe
"C:\Users\Admin\AppData\Local\Temp\promisecrypted.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2984

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/884-135-0x0000000000000000-mapping.dmp

Download
memory/1496-131-0x0000000002260000-0x0000000002267000-memory.dmp

Filesize
28KB

Download
memory/2984-130-0x0000000000000000-mapping.dmp

Download
memory/2984-133-0x0000000000A10000-0x0000000000A62000-memory.dmp

Filesize
328KB

Download
memory/2984-132-0x0000000000A10000-0x0000000000A62000-memory.dmp

Filesize
328KB

Download
memory/2984-134-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads