agenttesla | f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d

General

Target

f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
Size

2.6MB
MD5

6104a1c83aa138cbe4a532cb88e4ab0a
SHA1

e2995e8ce8c41a3a5ce54cbed5a9ac54e9d87e4b
SHA256

f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d
SHA512

dc8a096d90d80be739d6e0d0d7cac2253b6b7bc26f4868fd1ff20e0719d5b8026ec514e3a26c060101eefaa705dea4eb3cf8967fb8abb999fc6bb19837095c75
SSDEEP

24576:gt/rTJrbxH8I+mPkxjmnkxElR7w5BcUPv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:mbxH8Tmcdmkm7OBdjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.goldenamoonresorts.com
Port:
587
Username:
[email protected]
Password:
golden@123

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

resource	yara_rule
behavioral2/memory/3904-4-0x0000000000550000-0x00000000005B6000-memory.dmp	family_agenttesla

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4556 set thread context of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
3904	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
3904	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
Token: SeDebugPrivilege	3904	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82
PID 4556 wrote to memory of 3904	4556	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe

C:\Users\Admin\AppData\Local\Temp\f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
"C:\Users\Admin\AppData\Local\Temp\f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Users\Admin\AppData\Local\Temp\f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe
  "C:/Users/Admin/AppData/Local/Temp/f640afedca7f29f55112949a83e55361af3d82bc78be3f3b270abbc51f729d6d.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

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

Replay Monitor

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Downloads

memory/3904-7-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/3904-12-0x0000000005C60000-0x0000000005CC6000-memory.dmp

Filesize
408KB

Download
memory/3904-15-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3904-4-0x0000000000550000-0x00000000005B6000-memory.dmp

Filesize
408KB

Download
memory/3904-8-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3904-6-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/3904-14-0x0000000006330000-0x000000000633A000-memory.dmp

Filesize
40KB

Download
memory/3904-10-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3904-13-0x0000000006390000-0x00000000063E0000-memory.dmp

Filesize
320KB

Download
memory/3904-11-0x0000000005620000-0x0000000005638000-memory.dmp

Filesize
96KB

Download
memory/4556-5-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/4556-9-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/4556-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/4556-1-0x00000000002D0000-0x000000000057A000-memory.dmp

Filesize
2.7MB

Download
memory/4556-2-0x0000000004F70000-0x000000000500C000-memory.dmp

Filesize
624KB

Download

Analysis

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