agenttesla | 3a2e31f2844df5cb91eedbf24c0b93de4b0aa08525f733132c2bce0d7ab81acc

Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

max time kernel
128s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
submitted
10-11-2024 21:28

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General

Target

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Score

10^/10

agenttesla collection discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument

Signatures

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

AgentTesla payload 5 IoCs

Processes:

resource	yara_rule
behavioral14/memory/2700-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral14/memory/2700-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral14/memory/2700-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral14/memory/2700-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral14/memory/2700-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmk = "C:\\Users\\Admin\\AppData\\Roaming\\kmk\\kmk.exe"	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	pid	Process	procid_target
PID 3008 set thread context of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.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

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

pid	Process
3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
2700	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
2700	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	pid	Process
Token: SeDebugPrivilege	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
Token: SeDebugPrivilege	2700	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

pid	Process
2700	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	pid	Process	procid_target
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31
PID 3008 wrote to memory of 2700	3008	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe	31

outlook_office_path 1 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

outlook_win_path 1 IoCs

Processes:

026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe

C:\Users\Admin\AppData\Local\Temp\026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
"C:\Users\Admin\AppData\Local\Temp\026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.exe
  "C:\Users\Admin\AppData\Local\Temp\026a0d5ada04432b47b8f00e05304f11c2f72374b522d0c906f919d115c4b0ed.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
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2700-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-24-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-21-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-25-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-9-0x00000000043E0000-0x000000000441C000-memory.dmp

Filesize
240KB

Download
memory/3008-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-8-0x0000000005D30000-0x0000000005DC4000-memory.dmp

Filesize
592KB

Download
memory/3008-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3008-1-0x0000000000270000-0x0000000000320000-memory.dmp

Filesize
704KB

Download
memory/3008-7-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/3008-22-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-6-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-5-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3008-4-0x0000000000620000-0x0000000000638000-memory.dmp

Filesize
96KB

Download
memory/3008-3-0x0000000004830000-0x0000000004902000-memory.dmp

Filesize
840KB

Download