agenttesla | b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5

General

Target

b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
Size

703KB
MD5

171414b9200f9b670219a9b717f17bb2
SHA1

8f6ebfa85a70ea38847691f4510875a5644639f6
SHA256

b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5
SHA512

bd69b3c29d8b5338eaeae00de560dd918057ea62ec0508c793cacbb3c76636045c41f2eae9179d2911e0b769f8596c2d3531092014295f79e7070c4eb87564de
SSDEEP

12288:2VpBot6E79+jRBBqqh30EtQbSlAtE7Rn3/vFuKd6NzUFjHQYsv7Y:ZyXkEtQ0AtE1nPF62WYwY

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5801961827:AAHU2YhkfiXQwgVf7WnbO6mcJG_3zpTOec4/

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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\Skype\\Skype.exe"	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.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	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
2304	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
2304	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
2304	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
Token: SeDebugPrivilege	2304	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2304	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31
PID 2384 wrote to memory of 2304	2384	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe

C:\Users\Admin\AppData\Local\Temp\b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
"C:\Users\Admin\AppData\Local\Temp\b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.exe
  "C:\Users\Admin\AppData\Local\Temp\b79e5abf3bb968637c3c6789a2192677786f68cc24aaa2d6bcdbea16025714e5.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:2304

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

4

T1552

Credentials In Files

3

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

memory/2304-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2304-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2304-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2304-20-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2304-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2304-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2304-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2304-28-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-22-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2384-7-0x0000000005CD0000-0x0000000005D3A000-memory.dmp

Filesize
424KB

Download
memory/2384-6-0x0000000000530000-0x000000000053A000-memory.dmp

Filesize
40KB

Download
memory/2384-1-0x0000000000040000-0x00000000000F6000-memory.dmp

Filesize
728KB

Download
memory/2384-5-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2384-21-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2384-3-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/2384-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads