agenttesla | fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745

General

Target

fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
Size

1.6MB
MD5

8cd2c7223cca88e19b711e9d605069c2
SHA1

efe773c162c00746251171fadca59916ef474b58
SHA256

fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745
SHA512

9bba5cb2283df8c0c0a24a3dfb3e53cb7961e4cec6f12ef7644228c43b08a875fb563d6906584599a59c932adfaf6f455af59fed88a557a9f58b21beee2c08a9
SSDEEP

24576:Y9TJLrhFBRC/+RmQNXB/OzQq2knv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:Y9T99DA/6NXB/8QYjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
qlRYaFn8

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/3676-14-0x0000000000400000-0x000000000043C000-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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xWBWc = "C:\\Users\\Admin\\AppData\\Roaming\\xWBWc\\xWBWc.exe"	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100

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	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
3676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100
PID 1708 wrote to memory of 3676	1708	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe

C:\Users\Admin\AppData\Local\Temp\fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
"C:\Users\Admin\AppData\Local\Temp\fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe
  "C:\Users\Admin\AppData\Local\Temp\fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fbe609f32d9ca5813a88fee1aa038b0335902ba8d4299eaad66beb2207bea745.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/1708-12-0x0000000006630000-0x0000000006636000-memory.dmp

Filesize
24KB

Download
memory/1708-18-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1708-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/1708-4-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download
memory/1708-5-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1708-6-0x00000000054E0000-0x00000000054EE000-memory.dmp

Filesize
56KB

Download
memory/1708-7-0x0000000006510000-0x00000000065AC000-memory.dmp

Filesize
624KB

Download
memory/1708-8-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/1708-9-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1708-10-0x0000000006BA0000-0x0000000006C38000-memory.dmp

Filesize
608KB

Download
memory/1708-11-0x0000000007EF0000-0x0000000007F56000-memory.dmp

Filesize
408KB

Download
memory/1708-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/1708-1-0x0000000000460000-0x00000000005F8000-memory.dmp

Filesize
1.6MB

Download
memory/1708-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

Download
memory/1708-13-0x0000000006B00000-0x0000000006B3C000-memory.dmp

Filesize
240KB

Download
memory/3676-17-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3676-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3676-19-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3676-20-0x0000000005820000-0x0000000005838000-memory.dmp

Filesize
96KB

Download
memory/3676-21-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3676-22-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3676-24-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/3676-25-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3676-26-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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