agenttesla | c1a5a50629d48e6259bd63ebc5e9d31d6b076b30edc1b3bd138e10fcc03a29c8

General

Target

Order.exe
Size

733KB
MD5

f98e4ca30b7509d7e58dc1f1c892bca3
SHA1

ead5e654675beecf472895aaf781bea0337689ff
SHA256

c1a5a50629d48e6259bd63ebc5e9d31d6b076b30edc1b3bd138e10fcc03a29c8
SHA512

7a5312aa43dea2b5b167080d73c98a029a90677bce4289ea8c88d12523e113388596c7eeebde13b7d36b486997110eddeb7e7d30a2a974f8296da52b8e376742

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
onlinemonitor12@yandex.com
Password:
chosen@@@123

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/432-25-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/432-27-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/432-26-0x000000000044B99E-mapping.dmp	family_agenttesla
behavioral1/memory/432-28-0x0000000000400000-0x0000000000450000-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:

Order.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Order.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Order.exe

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

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

Data from Local System
T1005

Credentials in Files
T1081

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:

Order.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Order.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Order.exe

description pid process target process

PID 1912 set thread context of 432 1912 Order.exe Order.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

1780 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Order.exeOrder.exe

pid process

1912 Order.exe
432 Order.exe
432 Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order.exeOrder.exe

description pid process

Token: SeDebugPrivilege 1912 Order.exe
Token: SeDebugPrivilege 432 Order.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

Order.exeOrder.exe

pid process

1912 Order.exe
1912 Order.exe
432 Order.exe

description	pid	process	target process
PID 1912 set thread context of 432	1912	Order.exe	Order.exe

pid	process
1780	schtasks.exe

pid	process
1912	Order.exe
432	Order.exe
432	Order.exe

description	pid	process
Token: SeDebugPrivilege	1912	Order.exe
Token: SeDebugPrivilege	432	Order.exe

pid	process
1912	Order.exe
1912	Order.exe
432	Order.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Order.exe

description	pid	process	target process
PID 1912 wrote to memory of 1780	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 1780	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 1780	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 1780	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 432	1912	Order.exe	Order.exe

C:\Users\Admin\AppData\Local\Temp\Order.exe
"C:\Users\Admin\AppData\Local\Temp\Order.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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QPcnNesmP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B83.tmp"
2⤵
- Creates scheduled task(s)
PID:1780

C:\Users\Admin\AppData\Local\Temp\Order.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:432

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2B83.tmp
MD5
6829be4fa6866d0bafe895d5f59d671f

SHA1
2ff190c20c846a675b6c70aa4f4d84f4fd1f09df

SHA256
71cda1bc20486ac0da22dbad90869df3e970c1aaee84378f7dd7a678c2f88a94

SHA512
9314b1ea1833b89020d02312d164fce40d0e21e682bd2c7f6674f472e3a7cca9ca1e53847a5f9273eeb52694e45cc8d41d4d00ae7dcea75ef4c20ee2c210c8d5

Download Submit
memory/432-25-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/432-27-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/432-26-0x000000000044B99E-mapping.dmp

Download
memory/432-28-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1780-23-0x0000000000000000-mapping.dmp

Download
memory/1804-22-0x000007FEF6080000-0x000007FEF62FA000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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