agenttesla | c41893463c861e8d6274f2d5f5335ba4d23dfe4c6d6d65d8bc08eec140b4890d

General

Target

InvoiceRequest.scr.exe
Size

701KB
MD5

6f605fd10c79ec475befda0cd232f38b
SHA1

8b015776a4e0e1ba8495f89296b4eb5293faba33
SHA256

c41893463c861e8d6274f2d5f5335ba4d23dfe4c6d6d65d8bc08eec140b4890d
SHA512

24de79629da70f73f56576438965b653578888576be7013cc814af92c7cba1ae29517e245b0469ee842133c16a00611b3b96b87432c23c13093e0062f301d823
SSDEEP

12288:ksK8s/+/yHUvONddAckNe5xAkO5IGGswKPS3JFn0C53tqksN7t0lTO3tz0:RiMywONddAdN2ek975n3a97mO9

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Password: )NYyffR0
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1604	powershell.exe
2864	powershell.exe

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

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\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	InvoiceRequest.scr.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
3	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2508	2648	InvoiceRequest.scr.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InvoiceRequest.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InvoiceRequest.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2648	InvoiceRequest.scr.exe
2648	InvoiceRequest.scr.exe
2508	InvoiceRequest.scr.exe
2508	InvoiceRequest.scr.exe
1604	powershell.exe
2864	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	InvoiceRequest.scr.exe
Token: SeDebugPrivilege	2508	InvoiceRequest.scr.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	1604	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1604	2648	InvoiceRequest.scr.exe	30
PID 2648 wrote to memory of 1604	2648	InvoiceRequest.scr.exe	30
PID 2648 wrote to memory of 1604	2648	InvoiceRequest.scr.exe	30
PID 2648 wrote to memory of 1604	2648	InvoiceRequest.scr.exe	30
PID 2648 wrote to memory of 2864	2648	InvoiceRequest.scr.exe	32
PID 2648 wrote to memory of 2864	2648	InvoiceRequest.scr.exe	32
PID 2648 wrote to memory of 2864	2648	InvoiceRequest.scr.exe	32
PID 2648 wrote to memory of 2864	2648	InvoiceRequest.scr.exe	32
PID 2648 wrote to memory of 2204	2648	InvoiceRequest.scr.exe	33
PID 2648 wrote to memory of 2204	2648	InvoiceRequest.scr.exe	33
PID 2648 wrote to memory of 2204	2648	InvoiceRequest.scr.exe	33
PID 2648 wrote to memory of 2204	2648	InvoiceRequest.scr.exe	33
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36
PID 2648 wrote to memory of 2508	2648	InvoiceRequest.scr.exe	36

C:\Users\Admin\AppData\Local\Temp\InvoiceRequest.scr.exe
"C:\Users\Admin\AppData\Local\Temp\InvoiceRequest.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\InvoiceRequest.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1604
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PPTPXSGOk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PPTPXSGOk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C2F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2204
- C:\Users\Admin\AppData\Local\Temp\InvoiceRequest.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\InvoiceRequest.scr.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2C2F.tmp

Filesize
1KB

MD5
08299066d2dcaeaf201039d4eec0bf8e

SHA1
ead138376b2ad0b28df9e67bcc5fb3a557e2dc4b

SHA256
6a2c0a845a0414a1393ca15da844d6e9b95fadb0e7889399a2ff76fa91aeecf4

SHA512
75fce65fdd01bfab44ade10778e02d82d0f1f9785766dfb5ee99abc6f6499fdfea8922e83f759ea80594a032c8ee757e166f48f1ab6a3fcb9bb780f33062a94d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S27NB3J29D1WAPSG9W7Y.temp

Filesize
7KB

MD5
21a5c70b7a8d8d9f311ecd1028430c60

SHA1
66fe6d6f1ee1ed59ce25dde0d9261e6c5f239bae

SHA256
c931abde1d72a59f51d34dcf50adae8905acf821a1df7fecd00b54252f881a1e

SHA512
a074f0f0df4c5c22b0bc2a86a4776c2f135d5ae3bae1367da2b449e8208697aa1756d5788339fa1e7d356db0490e403190845d88baa2bd33d2bd3d391da887d5

Download Submit
memory/2508-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2508-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2508-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2508-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2508-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2508-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2508-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-1-0x00000000001E0000-0x0000000000294000-memory.dmp

Filesize
720KB

Download
memory/2648-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2648-7-0x0000000005D60000-0x0000000005DE2000-memory.dmp

Filesize
520KB

Download
memory/2648-6-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-3-0x0000000002110000-0x00000000021AA000-memory.dmp

Filesize
616KB

Download
memory/2648-5-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2648-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2648-32-0x0000000074910000-0x0000000074FFE000-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