agenttesla | 7ea9948c57cafa82f3554fca698d90c3f733edee53614b436c78afac1c230e2f

General

Target

damianozx.exe
Size

775KB
MD5

f045a6a5d98c2185e81c7bbbecdda8db
SHA1

0abf29b75d172c50f1de299ac93ddd9c7fb6bb36
SHA256

7ea9948c57cafa82f3554fca698d90c3f733edee53614b436c78afac1c230e2f
SHA512

a4c5798b97e76bdabd715b724bb747dc0bd0b914f96759266ed2edf21366c78eb6c657bc4d6972ee35c2fdeb06d509c4d0e5c5af0f1076e8aac69840db9ecdd5
SSDEEP

12288:y/6kUjDdl99h0Td87xHd0FZM1otvIV5ZWlQFxZvI7yqWg:86TjDb99osxH9qI5ZGQjitWg

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

Processes:

damianozx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	damianozx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	damianozx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	damianozx.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B33A1654-D75E-410F-BAEB-ED74BFC90885}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{1366A24C-6BAB-46E6-9893-4890FBA1B26B}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

damianozx.exe

description pid process target process

PID 1544 set thread context of 2100 1544 damianozx.exe damianozx.exe

description	pid	process	target process
PID 1544 set thread context of 2100	1544	damianozx.exe	damianozx.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

damianozx.exe

pid process

2100 damianozx.exe
2100 damianozx.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

damianozx.exe

description pid process

Token: SeDebugPrivilege 2100 damianozx.exe

pid	process
2100	damianozx.exe
2100	damianozx.exe

description	pid	process
Token: SeDebugPrivilege	2100	damianozx.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

damianozx.exe

description	pid	process	target process
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe
PID 1544 wrote to memory of 2100	1544	damianozx.exe	damianozx.exe

outlook_office_path 1 IoCs

Processes:

damianozx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	damianozx.exe

outlook_win_path 1 IoCs

Processes:

damianozx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	damianozx.exe

C:\Users\Admin\AppData\Local\Temp\damianozx.exe
"C:\Users\Admin\AppData\Local\Temp\damianozx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544

C:\Users\Admin\AppData\Local\Temp\damianozx.exe
"C:\Users\Admin\AppData\Local\Temp\damianozx.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2100

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\damianozx.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/1544-132-0x00000000002D0000-0x0000000000398000-memory.dmp

Filesize
800KB

Download
memory/1544-133-0x0000000005220000-0x00000000057C4000-memory.dmp

Filesize
5.6MB

Download
memory/1544-134-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/1544-135-0x0000000004D40000-0x0000000004D4A000-memory.dmp

Filesize
40KB

Download
memory/1544-136-0x0000000007480000-0x000000000751C000-memory.dmp

Filesize
624KB

Download
memory/1544-137-0x0000000007620000-0x0000000007686000-memory.dmp

Filesize
408KB

Download
memory/2100-138-0x0000000000000000-mapping.dmp

Download
memory/2100-139-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2100-141-0x00000000061D0000-0x0000000006220000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads