agenttesla | 71cb968489deceea097dc3728f6659660b8ad14c66dc580cbb19c0b7510e34f0

General

Target

PACKING LIST.exe
Size

656KB
MD5

5a956b6815a66d33e7d27d83e50d3645
SHA1

fd10381ba32e39e77abc4e343c19f5bc2c6fece6
SHA256

bd9b51b852ac034bd33b8aa9102b28a64e3248012b2d013e2fbc69fbbac3394a
SHA512

997c4cc1bb8aad13ea1bac1bbec0cd0ed171829ff858019188ba7c88c3f3e757fc362a21485d6037f95e20df5846bd9131b2c0f084bd24cf0ba37641eca7247a

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cybix.in
Port:
587
Username:
[email protected]
Password:
cybix@16july

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/576-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/576-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/576-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/576-66-0x000000000044704E-mapping.dmp	family_agenttesla
behavioral1/memory/576-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/576-68-0x0000000000400000-0x000000000044C000-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:

PACKING LIST.exe

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

PACKING LIST.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	PACKING LIST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PACKING LIST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PACKING LIST.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:

PACKING LIST.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

PACKING LIST.exe

description pid process target process

PID 1800 set thread context of 576 1800 PACKING LIST.exe PACKING LIST.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

1744 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PACKING LIST.exePACKING LIST.exe

pid process

1800 PACKING LIST.exe
1800 PACKING LIST.exe
1800 PACKING LIST.exe
576 PACKING LIST.exe
576 PACKING LIST.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PACKING LIST.exePACKING LIST.exe

description pid process

Token: SeDebugPrivilege 1800 PACKING LIST.exe
Token: SeDebugPrivilege 576 PACKING LIST.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PACKING LIST.exe

pid process

576 PACKING LIST.exe

description	pid	process	target process
PID 1800 set thread context of 576	1800	PACKING LIST.exe	PACKING LIST.exe

pid	process
1744	schtasks.exe

pid	process
1800	PACKING LIST.exe
1800	PACKING LIST.exe
1800	PACKING LIST.exe
576	PACKING LIST.exe
576	PACKING LIST.exe

description	pid	process
Token: SeDebugPrivilege	1800	PACKING LIST.exe
Token: SeDebugPrivilege	576	PACKING LIST.exe

pid	process
576	PACKING LIST.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PACKING LIST.exe

description	pid	process	target process
PID 1800 wrote to memory of 1744	1800	PACKING LIST.exe	schtasks.exe
PID 1800 wrote to memory of 1744	1800	PACKING LIST.exe	schtasks.exe
PID 1800 wrote to memory of 1744	1800	PACKING LIST.exe	schtasks.exe
PID 1800 wrote to memory of 1744	1800	PACKING LIST.exe	schtasks.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe
PID 1800 wrote to memory of 576	1800	PACKING LIST.exe	PACKING LIST.exe

outlook_office_path 1 IoCs

Processes:

PACKING LIST.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	PACKING LIST.exe

outlook_win_path 1 IoCs

Processes:

PACKING LIST.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	PACKING LIST.exe

C:\Users\Admin\AppData\Local\Temp\PACKING LIST.exe
"C:\Users\Admin\AppData\Local\Temp\PACKING LIST.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:1800

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rxXvel" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE15.tmp"
2⤵
- Creates scheduled task(s)
PID:1744

C:\Users\Admin\AppData\Local\Temp\PACKING LIST.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:576

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

3

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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE15.tmp
Filesize
1KB

MD5
6bdc50a86603e7a9de389ab1ae4f0804

SHA1
b849edaa917bc17e943e2ad658aa29f9d37c84da

SHA256
8ce5d05b4998e27890225a200bfcca0b1af4b51bbbb2683d079cd61045fec3aa

SHA512
5eaf4184e80238fc3e8b4783c4820f2532fc6d096dd418595d0192fe8c6e83ed9d1d9718ccf4125f79cda930401478f70a0dfab321dcbb58e5846f1d73d1caf3

Download Submit
memory/576-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/576-66-0x000000000044704E-mapping.dmp

Download
memory/576-71-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/576-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/576-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/576-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/576-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/576-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/576-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1744-58-0x0000000000000000-mapping.dmp

Download
memory/1800-54-0x0000000000BB0000-0x0000000000C5A000-memory.dmp

Filesize
680KB

Download
memory/1800-56-0x0000000004200000-0x0000000004262000-memory.dmp

Filesize
392KB

Download
memory/1800-55-0x0000000000240000-0x0000000000250000-memory.dmp

Filesize
64KB

Download
memory/1800-57-0x0000000002060000-0x00000000020AC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads