agenttesla | 1198a451bd5c647dc451f747b3fe9013f178c393822007ebffb836cdf8431b6a

General

Target

Payment Advice_PDF.exe
Size

720KB
MD5

f1f5f082c707be1fc50b7ce02be2f737
SHA1

0dca633e019efe208610c865c803d977700ff6c3
SHA256

1198a451bd5c647dc451f747b3fe9013f178c393822007ebffb836cdf8431b6a
SHA512

ade7b8dd5c4c7405888aba0ef15f851d4be83aad13fc56efbf18814efa7637de0667dc953a4325d46fdaf843064f9a8d2024c199dba7a2d5e550e25b4ef15fb7

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.huiijingco.com
Port:
587
Username:
[email protected]
Password:
lNLUrZT2

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4004-135-0x0000000000436C5E-mapping.dmp	family_agenttesla
behavioral2/memory/4004-134-0x0000000000400000-0x000000000043C000-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:

Payment Advice_PDF.exe

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

Payment Advice_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_PDF.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:

Payment Advice_PDF.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advice_PDF.exe

description pid process target process

PID 1724 set thread context of 4004 1724 Payment Advice_PDF.exe Payment Advice_PDF.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exePayment Advice_PDF.exe

pid process

904 powershell.exe
4004 Payment Advice_PDF.exe
4004 Payment Advice_PDF.exe
904 powershell.exe
904 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exePayment Advice_PDF.exe

description pid process

Token: SeDebugPrivilege 904 powershell.exe
Token: SeDebugPrivilege 4004 Payment Advice_PDF.exe

description	pid	process	target process
PID 1724 set thread context of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe

pid	process
904	powershell.exe
4004	Payment Advice_PDF.exe
4004	Payment Advice_PDF.exe
904	powershell.exe
904	powershell.exe

description	pid	process
Token: SeDebugPrivilege	904	powershell.exe
Token: SeDebugPrivilege	4004	Payment Advice_PDF.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Payment Advice_PDF.exe

description	pid	process	target process
PID 1724 wrote to memory of 904	1724	Payment Advice_PDF.exe	powershell.exe
PID 1724 wrote to memory of 904	1724	Payment Advice_PDF.exe	powershell.exe
PID 1724 wrote to memory of 904	1724	Payment Advice_PDF.exe	powershell.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe
PID 1724 wrote to memory of 4004	1724	Payment Advice_PDF.exe	Payment Advice_PDF.exe

outlook_office_path 1 IoCs

Processes:

Payment Advice_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_PDF.exe

outlook_win_path 1 IoCs

Processes:

Payment Advice_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_PDF.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:904

C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

2

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

memory/904-148-0x00000000086B0000-0x00000000086B1000-memory.dmp

Filesize
4KB

Download
memory/904-136-0x0000000007900000-0x0000000007901000-memory.dmp

Filesize
4KB

Download
memory/904-171-0x0000000009C70000-0x0000000009C71000-memory.dmp

Filesize
4KB

Download
memory/904-170-0x00000000098A0000-0x00000000098A1000-memory.dmp

Filesize
4KB

Download
memory/904-169-0x000000007E830000-0x000000007E831000-memory.dmp

Filesize
4KB

Download
memory/904-164-0x0000000009740000-0x0000000009741000-memory.dmp

Filesize
4KB

Download
memory/904-157-0x0000000009760000-0x0000000009793000-memory.dmp

Filesize
204KB

Download
memory/904-145-0x00000000050D2000-0x00000000050D3000-memory.dmp

Filesize
4KB

Download
memory/904-142-0x0000000008320000-0x0000000008321000-memory.dmp

Filesize
4KB

Download
memory/904-240-0x00000000050D3000-0x00000000050D4000-memory.dmp

Filesize
4KB

Download
memory/904-150-0x0000000003470000-0x0000000003471000-memory.dmp

Filesize
4KB

Download
memory/904-130-0x0000000003470000-0x0000000003471000-memory.dmp

Filesize
4KB

Download
memory/904-131-0x0000000003470000-0x0000000003471000-memory.dmp

Filesize
4KB

Download
memory/904-132-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/904-133-0x0000000007B10000-0x0000000007B11000-memory.dmp

Filesize
4KB

Download
memory/904-147-0x0000000008200000-0x0000000008201000-memory.dmp

Filesize
4KB

Download
memory/904-144-0x00000000050D0000-0x00000000050D1000-memory.dmp

Filesize
4KB

Download
memory/904-128-0x0000000000000000-mapping.dmp

Download
memory/904-139-0x00000000079A0000-0x00000000079A1000-memory.dmp

Filesize
4KB

Download
memory/904-149-0x00000000089F0000-0x00000000089F1000-memory.dmp

Filesize
4KB

Download
memory/1724-127-0x0000000005E60000-0x0000000005F00000-memory.dmp

Filesize
640KB

Download
memory/1724-129-0x0000000006030000-0x0000000006031000-memory.dmp

Filesize
4KB

Download
memory/1724-118-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/1724-126-0x0000000005F00000-0x0000000005F01000-memory.dmp

Filesize
4KB

Download
memory/1724-125-0x0000000005B90000-0x0000000005B91000-memory.dmp

Filesize
4KB

Download
memory/1724-124-0x0000000005360000-0x0000000005368000-memory.dmp

Filesize
32KB

Download
memory/1724-123-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/1724-122-0x0000000005090000-0x000000000558E000-memory.dmp

Filesize
5.0MB

Download
memory/1724-121-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/1724-120-0x0000000005590000-0x0000000005591000-memory.dmp

Filesize
4KB

Download
memory/4004-134-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4004-146-0x0000000004DD0000-0x00000000052CE000-memory.dmp

Filesize
5.0MB

Download
memory/4004-135-0x0000000000436C5E-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads