agenttesla | 25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252

General

Target

25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
Size

1.1MB
MD5

fb0a1d386c36a73b63fa93e78af546c0
SHA1

77bd6f5c0391692bd61150ae13b385389e279b85
SHA256

25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252
SHA512

d2b7ee6545a4bc6f8b2e387d9d1b0df345181d765d2608172301f053b92430948880af332ebc59ebbedd7a10fca985a8bb209e06f6f04df688d25f1aa40d8872
SSDEEP

24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8aC3/bBZEuivGph:nTvC/MTQYxsWR7aC3zBnp

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tuspartners.mx
Port:
587
Username:
[email protected]
Password:
K3Vh1Nr#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\rWvbZS = "C:\\Users\\Admin\\AppData\\Roaming\\rWvbZS\\rWvbZS.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31

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	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
480	RegSvcs.exe
480	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	480	RegSvcs.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe

Suspicious use of SendNotifyMessage 10 IoCs

pid	Process
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31
PID 2328 wrote to memory of 480	2328	25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe
"C:\Users\Admin\AppData\Local\Temp\25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\25be2708fd976b28b33b1ada6437db6460c6e4f87dd53f40f2b8cb11ab2a8252.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:480

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/480-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/480-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/480-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/480-17-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/480-18-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/480-20-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/480-21-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads