agenttesla | 0a600564d101a021102f379d342261be5d059653276136f0b94b087f8bcf0cc2

General

Target

Over.exe
Size

565KB
MD5

93da8515438ce678f4524bb46b730944
SHA1

63298cd943c95a626e6b129cb0628011304ef0c7
SHA256

b064d18c661ab69f54f7a4f1c1ea167553a6a324a859271a17203f2741a22c8e
SHA512

694f7cbf1593a42db90e951afbb7e590637f20e127165add34f5e049050abf1fcc0237a9c5b172fc47a2acd2e58814de9bad856880e8e13f49430322c87271cb

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mexicanproduct.com.mx
Port:
587
Username:
produccion@mexicanproduct.com.mx
Password:
Produccion2020.

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/984-63-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/984-65-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/984-64-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/984-66-0x000000000044983E-mapping.dmp	family_agenttesla
behavioral1/memory/984-68-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/984-70-0x0000000000400000-0x000000000044E000-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:

Over.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Over.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Over.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Over.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Over.exe

description pid process target process

PID 732 set thread context of 984 732 Over.exe Over.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2008 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Over.exeOver.exe

pid process

732 Over.exe
984 Over.exe
984 Over.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Over.exeOver.exe

description pid process

Token: SeDebugPrivilege 732 Over.exe
Token: SeDebugPrivilege 984 Over.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Over.exe

pid process

984 Over.exe

description	pid	process	target process
PID 732 set thread context of 984	732	Over.exe	Over.exe

pid	process
2008	schtasks.exe

pid	process
732	Over.exe
984	Over.exe
984	Over.exe

description	pid	process
Token: SeDebugPrivilege	732	Over.exe
Token: SeDebugPrivilege	984	Over.exe

pid	process
984	Over.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Over.exe

description	pid	process	target process
PID 732 wrote to memory of 2008	732	Over.exe	schtasks.exe
PID 732 wrote to memory of 2008	732	Over.exe	schtasks.exe
PID 732 wrote to memory of 2008	732	Over.exe	schtasks.exe
PID 732 wrote to memory of 2008	732	Over.exe	schtasks.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe
PID 732 wrote to memory of 984	732	Over.exe	Over.exe

outlook_office_path 1 IoCs

Processes:

Over.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Over.exe

outlook_win_path 1 IoCs

Processes:

Over.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Over.exe

C:\Users\Admin\AppData\Local\Temp\Over.exe
"C:\Users\Admin\AppData\Local\Temp\Over.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:732

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XAznNXTNlFz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB32A.tmp"
2⤵
- Creates scheduled task(s)
PID:2008

C:\Users\Admin\AppData\Local\Temp\Over.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:984

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\tmpB32A.tmp
Filesize
1KB

MD5
0c5c0a1a60cbdd9cf1d2a5daa117d7b9

SHA1
7864cafb9a04217c58867b1a813a8b33db443e9e

SHA256
9978fed34c88506edaf89b2048cc9fe928174367d18923c3aeabc4275d4eab98

SHA512
b36664b6a2928befda05cd45cd5e806c7af388beefdd5d59a6cd9f8f4e80eb38b05826f661e94269703b4bf598d0b1afd1163638bb03fa726db35d0e8df85957

Download Submit
memory/732-55-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/732-56-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/732-57-0x00000000042D0000-0x0000000004326000-memory.dmp

Filesize
344KB

Download
memory/732-54-0x0000000000920000-0x00000000009B4000-memory.dmp

Filesize
592KB

Download
memory/984-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/984-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/984-63-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/984-65-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/984-64-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/984-66-0x000000000044983E-mapping.dmp

Download
memory/984-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/984-70-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2008-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads