agenttesla | 61dbf9cc2b39be1838666e7e2edaa5667059e9813d667357d93ff4aa81ee51ef

General

Target

QUOTE 2020.exe
Size

540KB
MD5

21d1083d295c27ac02ac97e8b5ad08f3
SHA1

8b2d20b952e05651a600f5e36d95ebccc738fc97
SHA256

708819369d030c9ac2cca2a078e695318a8b8289ff78e50a44684761d63173e5
SHA512

20ba1c6c9f6cc404b33153befefa0424faabf4ea4e01e1d5bae042c9571c446f61f8f7d3f308a9f0049946bca87469d71825e1d5babf4ea9691a02e9933ae150

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:
don4@intarscan.org
Password:
!c}w0m3nCK#h

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/288-56-0x0000000000260000-0x0000000000268000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1948-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1948-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1948-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1948-64-0x000000000044C8EE-mapping.dmp	family_agenttesla
behavioral1/memory/1948-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1948-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

CoreCCC Packer 1 IoCs

Detects CoreCCC packer used to load .NET malware.

Processes:

resource	yara_rule
behavioral1/memory/288-54-0x0000000001030000-0x00000000010BE000-memory.dmp	coreccc

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/288-57-0x0000000000D90000-0x0000000000DE8000-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:

QUOTE 2020.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE 2020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE 2020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTE 2020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

QUOTE 2020.exe

description pid process target process

PID 288 set thread context of 1948 288 QUOTE 2020.exe QUOTE 2020.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

QUOTE 2020.exeQUOTE 2020.exe

pid process

288 QUOTE 2020.exe
1948 QUOTE 2020.exe
1948 QUOTE 2020.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

QUOTE 2020.exeQUOTE 2020.exe

description pid process

Token: SeDebugPrivilege 288 QUOTE 2020.exe
Token: SeDebugPrivilege 1948 QUOTE 2020.exe

description	pid	process	target process
PID 288 set thread context of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe

pid	process
288	QUOTE 2020.exe
1948	QUOTE 2020.exe
1948	QUOTE 2020.exe

description	pid	process
Token: SeDebugPrivilege	288	QUOTE 2020.exe
Token: SeDebugPrivilege	1948	QUOTE 2020.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

QUOTE 2020.exeQUOTE 2020.exe

description	pid	process	target process
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 288 wrote to memory of 1948	288	QUOTE 2020.exe	QUOTE 2020.exe
PID 1948 wrote to memory of 1316	1948	QUOTE 2020.exe	netsh.exe
PID 1948 wrote to memory of 1316	1948	QUOTE 2020.exe	netsh.exe
PID 1948 wrote to memory of 1316	1948	QUOTE 2020.exe	netsh.exe
PID 1948 wrote to memory of 1316	1948	QUOTE 2020.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

QUOTE 2020.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	QUOTE 2020.exe

outlook_win_path 1 IoCs

Processes:

QUOTE 2020.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	QUOTE 2020.exe

C:\Users\Admin\AppData\Local\Temp\QUOTE 2020.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE 2020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:288

C:\Users\Admin\AppData\Local\Temp\QUOTE 2020.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:1948

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1316

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/288-54-0x0000000001030000-0x00000000010BE000-memory.dmp

Filesize
568KB

Download
memory/288-55-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/288-56-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/288-57-0x0000000000D90000-0x0000000000DE8000-memory.dmp

Filesize
352KB

Download
memory/1316-70-0x0000000000000000-mapping.dmp

Download
memory/1948-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1948-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1948-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1948-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1948-64-0x000000000044C8EE-mapping.dmp

Download
memory/1948-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1948-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1948-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads