agenttesla | cad97f54cb53285a119d40cd8ab2cce6f9eaec65dff7701c0efe3241dac93f4d

General

Target

PO-0805cn.exe
Size

554KB
MD5

7a1f802d55cde20628b37dc2a4c88952
SHA1

1c048b35e7857e7c2e6f3b5ddc45fc16c6cfd957
SHA256

cdf5e7899d662b3c5af2b8048bee28303ada03a878005812245cf2b6aa40bcec
SHA512

42a0541f671d6cbd97372204e6afb37f909642265a2ba80f6d1637723763f984d506b0193d1cfdc5e97b6184e0a3ceb2ab3c8f358a05cc85f0aeb9a125a1621c

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.winhalltech.com
Port:
587
Username:
[email protected]
Password:
Hafizzul*010218

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/2028-57-0x0000000000520000-0x0000000000528000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/952-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/952-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/952-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/952-65-0x000000000044C27E-mapping.dmp	family_agenttesla
behavioral1/memory/952-67-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/952-69-0x0000000000400000-0x0000000000452000-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/2028-58-0x0000000005770000-0x00000000057C8000-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:

PO-0805cn.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	PO-0805cn.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-0805cn.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-0805cn.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO-0805cn.exe

description pid process target process

PID 2028 set thread context of 952 2028 PO-0805cn.exe PO-0805cn.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO-0805cn.exePO-0805cn.exe

pid process

2028 PO-0805cn.exe
952 PO-0805cn.exe
952 PO-0805cn.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO-0805cn.exePO-0805cn.exe

description pid process

Token: SeDebugPrivilege 2028 PO-0805cn.exe
Token: SeDebugPrivilege 952 PO-0805cn.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO-0805cn.exe

pid process

952 PO-0805cn.exe

description	pid	process	target process
PID 2028 set thread context of 952	2028	PO-0805cn.exe	PO-0805cn.exe

pid	process
2028	PO-0805cn.exe
952	PO-0805cn.exe
952	PO-0805cn.exe

description	pid	process
Token: SeDebugPrivilege	2028	PO-0805cn.exe
Token: SeDebugPrivilege	952	PO-0805cn.exe

pid	process
952	PO-0805cn.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PO-0805cn.exe

description	pid	process	target process
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe
PID 2028 wrote to memory of 952	2028	PO-0805cn.exe	PO-0805cn.exe

outlook_office_path 1 IoCs

Processes:

PO-0805cn.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	PO-0805cn.exe

outlook_win_path 1 IoCs

Processes:

PO-0805cn.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	PO-0805cn.exe

C:\Users\Admin\AppData\Local\Temp\PO-0805cn.exe
"C:\Users\Admin\AppData\Local\Temp\PO-0805cn.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Local\Temp\PO-0805cn.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:952

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/952-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/952-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/952-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/952-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/952-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/952-65-0x000000000044C27E-mapping.dmp

Download
memory/952-67-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/952-69-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2028-55-0x0000000000930000-0x0000000000992000-memory.dmp

Filesize
392KB

Download
memory/2028-56-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/2028-57-0x0000000000520000-0x0000000000528000-memory.dmp

Filesize
32KB

Download
memory/2028-58-0x0000000005770000-0x00000000057C8000-memory.dmp

Filesize
352KB

Download
memory/2028-54-0x0000000000E20000-0x0000000000EB0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads