agenttesla | 7ae543ce1435c66e2596958da3d62fe842561072b5b36aca00df3be65e70833d

General

Target
c757708d622d63f7897a0b07faa6f5e9.exe
Size 1.2MB
Sample221005-m5p1faebc9
SHA256 7ae543ce1435c66e2596958da3d62fe842561072b5b36aca00df3be65e70833d
MD5 c757708d622d63f7897a0b07faa6f5e9
SHA1 343e4c07aebcb8bb7be5b866338c8e29ec899a54
SHA512 8856b3f0104e1bccb58fe2bea94c113af7f3b1771cbca89ff94e841f3f20ce905fbc5370861d18d35633e79d44cd58ba60bb40f63a271997c8052de997f8fa5c
SSDEEP 12288:XqcMUzK4HTNHe4f2nfD0+f746vhQxTsyFrSdhEYHNRlHAVFgi+HJHmGuXSlkoGtI:XqcMYuD0+f77QxTsy0sUEtkJbFCFU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
ftp
Host
ftp.valvulasthermovalve.cl
Port
21
Username
[email protected]
Password
LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.valvulasthermovalve.cl/
Port
21
Username
[email protected]
Password
LILKOOLL14!!

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c757708d622d63f7897a0b07faa6f5e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c757708d622d63f7897a0b07faa6f5e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c757708d622d63f7897a0b07faa6f5e9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4396 set thread context of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1532	c757708d622d63f7897a0b07faa6f5e9.exe
1532	c757708d622d63f7897a0b07faa6f5e9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	c757708d622d63f7897a0b07faa6f5e9.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4396	c757708d622d63f7897a0b07faa6f5e9.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4396	c757708d622d63f7897a0b07faa6f5e9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92
PID 4396 wrote to memory of 1532	4396	c757708d622d63f7897a0b07faa6f5e9.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c757708d622d63f7897a0b07faa6f5e9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c757708d622d63f7897a0b07faa6f5e9.exe

C:\Users\Admin\AppData\Local\Temp\c757708d622d63f7897a0b07faa6f5e9.exe
"C:\Users\Admin\AppData\Local\Temp\c757708d622d63f7897a0b07faa6f5e9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\Temp\c757708d622d63f7897a0b07faa6f5e9.exe
  "C:\Users\Admin\AppData\Local\Temp\c757708d622d63f7897a0b07faa6f5e9.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1532

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

c757708d622d63f7897a0b07faa6f5e9.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c757708d622d63f7897a0b07faa6f5e9.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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memory/1532-139-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1532-141-0x0000000006920000-0x0000000006970000-memory.dmp

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memory/4396-132-0x0000000000420000-0x0000000000552000-memory.dmp

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memory/4396-133-0x0000000005410000-0x00000000059B4000-memory.dmp

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memory/4396-134-0x0000000004F00000-0x0000000004F92000-memory.dmp

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memory/4396-135-0x00000000050B0000-0x00000000050BA000-memory.dmp

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memory/4396-136-0x0000000008B20000-0x0000000008BBC000-memory.dmp

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memory/4396-137-0x0000000008BC0000-0x0000000008C26000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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