agenttesla | c32270831ffce61bd782cd8a053352d34f884738da53089eda4275f2c425cfc0

General

Target

c3227083.exe
Size

919KB
MD5

8412498a27fff18a81f5e26deb501fa1
SHA1

14977581341dcb8c86f1da576cf73ec62569e685
SHA256

c32270831ffce61bd782cd8a053352d34f884738da53089eda4275f2c425cfc0
SHA512

a5648e46c94f8fce27649f12f7a04f14a4f71337e5842931151a82219b94295d3c2d681dd00ebd072f90d910cddd14e430b90977091a430a6fff0da291ddbe87

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tccinfaes.com
Port:
587
Username:
margaridasantos@tccinfaes.com
Password:
TccBps1427log

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/592-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/592-128-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral2/memory/592-133-0x00000000051E0000-0x00000000056DE000-memory.dmp	family_agenttesla

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:

c3227083.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	c3227083.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c3227083.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c3227083.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c3227083.exe

description pid process target process

PID 3348 set thread context of 592 3348 c3227083.exe c3227083.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c3227083.exe

pid process

592 c3227083.exe
592 c3227083.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c3227083.exe

description pid process

Token: SeDebugPrivilege 592 c3227083.exe

description	pid	process	target process
PID 3348 set thread context of 592	3348	c3227083.exe	c3227083.exe

pid	process
592	c3227083.exe
592	c3227083.exe

description	pid	process
Token: SeDebugPrivilege	592	c3227083.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c3227083.exe

description	pid	process	target process
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe
PID 3348 wrote to memory of 592	3348	c3227083.exe	c3227083.exe

outlook_office_path 1 IoCs

Processes:

c3227083.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	c3227083.exe

outlook_win_path 1 IoCs

Processes:

c3227083.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	c3227083.exe

C:\Users\Admin\AppData\Local\Temp\c3227083.exe
"C:\Users\Admin\AppData\Local\Temp\c3227083.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3348

C:\Users\Admin\AppData\Local\Temp\c3227083.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:592

Network

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/592-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/592-135-0x0000000005F50000-0x0000000005F51000-memory.dmp

Filesize
4KB

Download
memory/592-134-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/592-133-0x00000000051E0000-0x00000000056DE000-memory.dmp

Filesize
5.0MB

Download
memory/592-128-0x000000000043763E-mapping.dmp

Download
memory/3348-120-0x00000000055F0000-0x0000000005AEE000-memory.dmp

Filesize
5.0MB

Download
memory/3348-122-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/3348-123-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/3348-124-0x0000000002DF0000-0x0000000002DFE000-memory.dmp

Filesize
56KB

Download
memory/3348-125-0x0000000008FB0000-0x000000000904A000-memory.dmp

Filesize
616KB

Download
memory/3348-126-0x0000000009050000-0x00000000090A6000-memory.dmp

Filesize
344KB

Download
memory/3348-121-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/3348-115-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/3348-119-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/3348-118-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

Filesize
4KB

Download
memory/3348-117-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads