agenttesla | 6aa636e89a34830ce278245e0418d24cabeb88e826252bc978654cb26f18a061

General

Target

Remittances For Our China Agent 111.exe
Size

599KB
MD5

f42fa8b891783850ceffbeaf6cfbd883
SHA1

cf7909964f9902c0617fef8a4b3710ae9ab85cfe
SHA256

7dc68f49a36e9441ebdeb8d89f29924c3aa7f8ecf76ff7300da8248d9dac468e
SHA512

6f714b9af0bd3e4b6b3561215fda23a059002b401f33bc808c729606f17da38efda38f92649bc2cde60208110588a6c5b0e8d9cf3ccea7d288c00bf4535f18bd

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.opporajasthan.in
Port:
587
Username:
[email protected]
Password:
Systems@1234

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/592-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/592-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/592-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/592-67-0x0000000000446FDE-mapping.dmp	family_agenttesla
behavioral1/memory/592-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/592-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Remittances For Our China Agent 111.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Remittances For Our China Agent 111.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Remittances For Our China Agent 111.exe

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:

Remittances For Our China Agent 111.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	Remittances For Our China Agent 111.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittances For Our China Agent 111.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittances For Our China Agent 111.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Remittances For Our China Agent 111.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Remittances For Our China Agent 111.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Remittances For Our China Agent 111.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Remittances For Our China Agent 111.exe

description	pid	process	target process
PID 1468 set thread context of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.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

1996 schtasks.exe

pid	process
1996	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Remittances For Our China Agent 111.exeRemittances For Our China Agent 111.exe

pid	process
1468	Remittances For Our China Agent 111.exe
1468	Remittances For Our China Agent 111.exe
1468	Remittances For Our China Agent 111.exe
592	Remittances For Our China Agent 111.exe
592	Remittances For Our China Agent 111.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Remittances For Our China Agent 111.exeRemittances For Our China Agent 111.exe

description	pid	process
Token: SeDebugPrivilege	1468	Remittances For Our China Agent 111.exe
Token: SeDebugPrivilege	592	Remittances For Our China Agent 111.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Remittances For Our China Agent 111.exe

description	pid	process	target process
PID 1468 wrote to memory of 1996	1468	Remittances For Our China Agent 111.exe	schtasks.exe
PID 1468 wrote to memory of 1996	1468	Remittances For Our China Agent 111.exe	schtasks.exe
PID 1468 wrote to memory of 1996	1468	Remittances For Our China Agent 111.exe	schtasks.exe
PID 1468 wrote to memory of 1996	1468	Remittances For Our China Agent 111.exe	schtasks.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe
PID 1468 wrote to memory of 592	1468	Remittances For Our China Agent 111.exe	Remittances For Our China Agent 111.exe

outlook_office_path 1 IoCs

Processes:

Remittances For Our China Agent 111.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	Remittances For Our China Agent 111.exe

outlook_win_path 1 IoCs

Processes:

Remittances For Our China Agent 111.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	Remittances For Our China Agent 111.exe

C:\Users\Admin\AppData\Local\Temp\Remittances For Our China Agent 111.exe
"C:\Users\Admin\AppData\Local\Temp\Remittances For Our China Agent 111.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YiOAJJbXIck" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB54C.tmp"
2⤵
- Creates scheduled task(s)
PID:1996

C:\Users\Admin\AppData\Local\Temp\Remittances For Our China Agent 111.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:592

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB54C.tmp
Filesize
1KB

MD5
19ad08864e5858c93a9c2445725f4a53

SHA1
1620f29af03950b34d11b9b785c19ada943f22a7

SHA256
a72fda3e9903a55af10368fa4b66a7fd6336cc3592ee302634b9384ffdc56320

SHA512
539012fbce3f21b33b03ff009fd58c47068925009f5bec78a509f57ee66564303fe019d7b7b4a2cc4a762169e9adfcd55b0dbd36fa775611ad8205f7d1566010

Download Submit
memory/592-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/592-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/592-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/592-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/592-67-0x0000000000446FDE-mapping.dmp

Download
memory/592-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/592-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/592-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1468-54-0x0000000000E40000-0x0000000000EDC000-memory.dmp

Filesize
624KB

Download
memory/1468-55-0x0000000075371000-0x0000000075373000-memory.dmp

Filesize
8KB

Download
memory/1468-56-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/1468-58-0x0000000005140000-0x000000000518C000-memory.dmp

Filesize
304KB

Download
memory/1468-57-0x0000000005290000-0x00000000052F6000-memory.dmp

Filesize
408KB

Download
memory/1996-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads