agenttesla | e493e036c04f67ad8a5828c677951868f3d3f9a16133ea7c8f0812592a6c1546

General

Target

ORDERlist85398pdf.exe
Size

522KB
MD5

7ad886548166e2b8367171f5f9d22822
SHA1

481bac80866886055838cb358528fe0971b1ac3d
SHA256

b7482c61434635d571649f327745f55945828178069d73bf9d1bb9298e8de89c
SHA512

bc8a37eb67bc8e9ba3c661e757980a3b1aceb204dcd72fc37fe8e309c7893d4f04b5aa695f6378a0628a3ce6f59d3faef3352ce436d343a056722b3b72657ecf

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
secure231.servconfig.com
Port:
587
Username:
info@eltaef.com
Password:
eltaefSH6548883

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/1984-56-0x00000000002B0000-0x00000000002B8000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2044-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2044-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2044-66-0x000000000044C92E-mapping.dmp	family_agenttesla
behavioral1/memory/2044-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2044-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2044-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1984-57-0x00000000006C0000-0x0000000000718000-memory.dmp	rezer0

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:

ORDERlist85398pdf.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	ORDERlist85398pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDERlist85398pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORDERlist85398pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ORDERlist85398pdf.exe

description pid process target process

PID 1984 set thread context of 2044 1984 ORDERlist85398pdf.exe ORDERlist85398pdf.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 3 IoCs

Processes:

ORDERlist85398pdf.exeORDERlist85398pdf.exe

pid process

1984 ORDERlist85398pdf.exe
2044 ORDERlist85398pdf.exe
2044 ORDERlist85398pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORDERlist85398pdf.exeORDERlist85398pdf.exe

description pid process

Token: SeDebugPrivilege 1984 ORDERlist85398pdf.exe
Token: SeDebugPrivilege 2044 ORDERlist85398pdf.exe

description	pid	process	target process
PID 1984 set thread context of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe

pid	process
1744	schtasks.exe

pid	process
1984	ORDERlist85398pdf.exe
2044	ORDERlist85398pdf.exe
2044	ORDERlist85398pdf.exe

description	pid	process
Token: SeDebugPrivilege	1984	ORDERlist85398pdf.exe
Token: SeDebugPrivilege	2044	ORDERlist85398pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ORDERlist85398pdf.exeORDERlist85398pdf.exe

description	pid	process	target process
PID 1984 wrote to memory of 1744	1984	ORDERlist85398pdf.exe	schtasks.exe
PID 1984 wrote to memory of 1744	1984	ORDERlist85398pdf.exe	schtasks.exe
PID 1984 wrote to memory of 1744	1984	ORDERlist85398pdf.exe	schtasks.exe
PID 1984 wrote to memory of 1744	1984	ORDERlist85398pdf.exe	schtasks.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 1984 wrote to memory of 2044	1984	ORDERlist85398pdf.exe	ORDERlist85398pdf.exe
PID 2044 wrote to memory of 1560	2044	ORDERlist85398pdf.exe	netsh.exe
PID 2044 wrote to memory of 1560	2044	ORDERlist85398pdf.exe	netsh.exe
PID 2044 wrote to memory of 1560	2044	ORDERlist85398pdf.exe	netsh.exe
PID 2044 wrote to memory of 1560	2044	ORDERlist85398pdf.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

ORDERlist85398pdf.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	ORDERlist85398pdf.exe

outlook_win_path 1 IoCs

Processes:

ORDERlist85398pdf.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	ORDERlist85398pdf.exe

C:\Users\Admin\AppData\Local\Temp\ORDERlist85398pdf.exe
"C:\Users\Admin\AppData\Local\Temp\ORDERlist85398pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YotmjbfFRcHWsb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85B.tmp"
2⤵
- Creates scheduled task(s)
PID:1744

C:\Users\Admin\AppData\Local\Temp\ORDERlist85398pdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2044

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1560

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

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp85B.tmp
Filesize
1KB

MD5
b44150d1a5d78172df8a26f66aa73fd1

SHA1
aca5a6663249bbf11a89b568dcfb666c01f3c97e

SHA256
39b1816ec495a31e55893bca45a030155878a1d98c887dfe55d8336eaa5f5217

SHA512
2b5b05534c166fdf98b03f2a7b1c45f2f939d40cd3382517a637022b5d7366d3b8935f7fc7d24f38d67980e60d2cb9b2cbc912e2e3d6a17b322d8f3e34435b38

Download Submit
memory/1560-72-0x0000000000000000-mapping.dmp

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

Download
memory/1984-55-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/1984-56-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/1984-57-0x00000000006C0000-0x0000000000718000-memory.dmp

Filesize
352KB

Download
memory/1984-54-0x0000000000BB0000-0x0000000000C38000-memory.dmp

Filesize
544KB

Download
memory/2044-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2044-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2044-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2044-66-0x000000000044C92E-mapping.dmp

Download
memory/2044-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2044-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2044-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2044-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads