agenttesla | 52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e

General

Target

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
Size

762KB
MD5

2604f6fabd4beb4b3b45c65744f1f917
SHA1

ce9131460839f3dd1476d29e11d4435b4aacd427
SHA256

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e
SHA512

3e8b8dfb839daec2c1bf3ba057de61aa351f79f4db6b23d15b929ae3a3e359b1540e600902b93bde3cfb3801cd8edabff2e05092c33d9f4625a5562ea9ddc93f
SSDEEP

12288:akPAtlj3XUog+pht8LFOcc6WkFREIpEqynK3/tkpcoQSt8bqZCoW4Wki9WwzRm:uTpv8bWkbEIpunEKpFZb2fk

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.nusatek.com
Port:
587
Username:
[email protected]
Password:
nusatek187753d
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4416-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	pid	process	target process
PID 740 set thread context of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

schtasks.exe52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

384 schtasks.exe

pid	process
384	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

pid	process
740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
4416	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
4416	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	pid	process
Token: SeDebugPrivilege	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
Token: SeDebugPrivilege	4416	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

pid process

4416 52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

pid	process
4416	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	pid	process	target process
PID 740 wrote to memory of 384	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	schtasks.exe
PID 740 wrote to memory of 384	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	schtasks.exe
PID 740 wrote to memory of 384	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	schtasks.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
PID 740 wrote to memory of 4416	740	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

outlook_office_path 1 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

outlook_win_path 1 IoCs

Processes:

52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe

C:\Users\Admin\AppData\Local\Temp\52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
"C:\Users\Admin\AppData\Local\Temp\52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\akAUxlYY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF22.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:384
- C:\Users\Admin\AppData\Local\Temp\52fe14f6217077bc6dde8213bd5b4d407bb0fe40c90d023b89981730a8ea652e.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCF22.tmp

Filesize
1KB

MD5
3acd69b51cfb9616bc6250af6e891738

SHA1
ab50848bf0cf192aa51217bc1921ecb56d5c4469

SHA256
e0d538e7dcaa8edd01eb2c4ded9bfff23f827597336123ea5067bd1d01b00832

SHA512
0a745331847094078389ab65a66e0175b7f972c15fd5b5039895810b7fe7e83c69043f867edc100a683539b59d59177a992c35c8fd6975bf613186841dc32bbd

Download Submit
memory/740-11-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/740-2-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/740-3-0x0000000075302000-0x0000000075303000-memory.dmp

Filesize
4KB

Download
memory/740-4-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/740-1-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/740-0-0x0000000075302000-0x0000000075303000-memory.dmp

Filesize
4KB

Download
memory/4416-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4416-10-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-12-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-13-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-14-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-15-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-16-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads