agenttesla | 430b6c5f31a43d35674c8f627bbd14dbf970cbf961119386da4d9fddfc7ca678

General

Target

Swift Copy.exe
Size

461KB
MD5

7c4e3e90c83dc1ce60a34ca9a1cb5fbd
SHA1

45cd96b6273430c6540fd51b811d46c1ca192d2e
SHA256

0fabbaf7f8ad7af3888aa77b2e376db74390064ea8eea0c54fee59fdc2cd54c8
SHA512

c79b983f7d84be227f6741bbe0b2cc73bcdb800528d898e52c4030a468c980a5b46a7c01c16a9bf7d78fd855a7982d525c562a04e5cc7804e0abdd585e700523

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
janet_maldonado@taiemerica.com
Password:
JuCbr%o3

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/876-56-0x0000000000420000-0x0000000000428000-memory.dmp	coreentity

AgentTesla payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2020-61-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2020-62-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2020-63-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2020-64-0x000000000044997E-mapping.dmp	family_agenttesla
behavioral1/memory/2020-66-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2020-68-0x0000000000400000-0x000000000044E000-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/876-57-0x00000000007F0000-0x0000000000846000-memory.dmp	rezer0

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Swift Copy.exe

description pid process target process

PID 876 set thread context of 2020 876 Swift Copy.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2020 RegSvcs.exe
2020 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2020 RegSvcs.exe

description	pid	process	target process
PID 876 set thread context of 2020	876	Swift Copy.exe	RegSvcs.exe

pid	process
2020	RegSvcs.exe
2020	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2020	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Swift Copy.exe

description	pid	process	target process
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe
PID 876 wrote to memory of 2020	876	Swift Copy.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:876

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2020

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/876-54-0x00000000002C0000-0x000000000033A000-memory.dmp

Filesize
488KB

Download
memory/876-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/876-56-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/876-57-0x00000000007F0000-0x0000000000846000-memory.dmp

Filesize
344KB

Download
memory/2020-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2020-58-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2020-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2020-62-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2020-63-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2020-64-0x000000000044997E-mapping.dmp

Download
memory/2020-66-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2020-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads