agenttesla | ed6bb146d131de63cc2b09fa374bb0e4e783ab39360e6cf55a3fdf5e65a4767d

General

Target

shipment doc.exe
Size

545KB
MD5

3f447387337591602b837f5b02ab271e
SHA1

33291bad68b6b05efec4eb10c1092a08b7745e85
SHA256

958ada8f665a73d481ad974e482e553d2b4e84e895febe16c4766599d60a7225
SHA512

ceedb818ce417c9aa078bc388f547516feccc5166bcb45c41e085da08e0e4ad8b7f19b249c73e40eec0827cf5f9a21987d5bb7f465d69a4f450e019fc7dd3ae7

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.diva-italia.com
Port:
587
Username:
info@diva-italia.com
Password:
rr.@%5LjgLz7

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/2984-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2984-126-0x000000000043761E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

shipment doc.exe

description pid process target process

PID 3744 set thread context of 2984 3744 shipment doc.exe RegSvcs.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

3944 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

shipment doc.exeRegSvcs.exe

pid process

3744 shipment doc.exe
3744 shipment doc.exe
3744 shipment doc.exe
3744 shipment doc.exe
3744 shipment doc.exe
2984 RegSvcs.exe
2984 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

shipment doc.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3744 shipment doc.exe
Token: SeDebugPrivilege 2984 RegSvcs.exe

description	pid	process	target process
PID 3744 set thread context of 2984	3744	shipment doc.exe	RegSvcs.exe

pid	process
3944	schtasks.exe

pid	process
3744	shipment doc.exe
3744	shipment doc.exe
3744	shipment doc.exe
3744	shipment doc.exe
3744	shipment doc.exe
2984	RegSvcs.exe
2984	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3744	shipment doc.exe
Token: SeDebugPrivilege	2984	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

shipment doc.exe

description	pid	process	target process
PID 3744 wrote to memory of 3944	3744	shipment doc.exe	schtasks.exe
PID 3744 wrote to memory of 3944	3744	shipment doc.exe	schtasks.exe
PID 3744 wrote to memory of 3944	3744	shipment doc.exe	schtasks.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe
PID 3744 wrote to memory of 2984	3744	shipment doc.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\shipment doc.exe
"C:\Users\Admin\AppData\Local\Temp\shipment doc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BqKzAb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC07D.tmp"
2⤵
- Creates scheduled task(s)
PID:3944

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2984-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2984-133-0x0000000005D40000-0x0000000005D41000-memory.dmp

Filesize
4KB

Download
memory/2984-132-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/2984-131-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/2984-126-0x000000000043761E-mapping.dmp

Download
memory/3744-119-0x0000000005880000-0x0000000005D7E000-memory.dmp

Filesize
5.0MB

Download
memory/3744-122-0x0000000009670000-0x0000000009671000-memory.dmp

Filesize
4KB

Download
memory/3744-123-0x0000000009710000-0x0000000009768000-memory.dmp

Filesize
352KB

Download
memory/3744-121-0x0000000009340000-0x0000000009347000-memory.dmp

Filesize
28KB

Download
memory/3744-120-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

Filesize
4KB

Download
memory/3744-115-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/3744-118-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/3744-117-0x0000000005D80000-0x0000000005D81000-memory.dmp

Filesize
4KB

Download
memory/3944-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads