agenttesla | e17380b6843421f15eb76b717c3b16bc092941d1d95914c88e9d1635c4d5eb90

General

Target

revised New order pdf.exe
Size

811KB
MD5

e96ded9d27ec1a49f1c8cb0035ab088b
SHA1

5b7e63a762eb0da3c36bacf9076b42db9cd49a8b
SHA256

4583e8bd3dc0aae3312813a57cd4a2ab4c1545a3855ce0b4d6e4914a07217569
SHA512

d67917bb819697850ff510cb17e81aff970b9b5a93ed048982b2b37869779532fda9862bbe488e1b13a0edb30ad6cbd62eafc6eb4672c20b7f1209a20eeae5bd
SSDEEP

12288:YgsDoOIlCJ3yXSl9rbOVaU/VQi+gC3OtsJAS8HnLrAss9DWdMxGkR:JfE8SlhbSQi8p8HnwsyqMxd

Score

10^/10

agenttesla collection discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5332853472:AAHdywgWGa_Sq-P5gn5a5U2a1mM20putFi4/

Signatures

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

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
2720	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 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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	revised New order pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	revised New order pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	revised New order pdf.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\bmBOz = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bmBOz\\bmBOz.exe"	revised New order pdf.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 2832	2516	revised New order pdf.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	revised New order pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	revised New order pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2516	revised New order pdf.exe
2516	revised New order pdf.exe
2864	powershell.exe
2720	powershell.exe
2832	revised New order pdf.exe
2832	revised New order pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	revised New order pdf.exe
Token: SeDebugPrivilege	2832	revised New order pdf.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2832	revised New order pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2720	2516	revised New order pdf.exe	30
PID 2516 wrote to memory of 2720	2516	revised New order pdf.exe	30
PID 2516 wrote to memory of 2720	2516	revised New order pdf.exe	30
PID 2516 wrote to memory of 2720	2516	revised New order pdf.exe	30
PID 2516 wrote to memory of 2864	2516	revised New order pdf.exe	32
PID 2516 wrote to memory of 2864	2516	revised New order pdf.exe	32
PID 2516 wrote to memory of 2864	2516	revised New order pdf.exe	32
PID 2516 wrote to memory of 2864	2516	revised New order pdf.exe	32
PID 2516 wrote to memory of 2512	2516	revised New order pdf.exe	34
PID 2516 wrote to memory of 2512	2516	revised New order pdf.exe	34
PID 2516 wrote to memory of 2512	2516	revised New order pdf.exe	34
PID 2516 wrote to memory of 2512	2516	revised New order pdf.exe	34
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36
PID 2516 wrote to memory of 2832	2516	revised New order pdf.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	revised New order pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	revised New order pdf.exe

C:\Users\Admin\AppData\Local\Temp\revised New order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\revised New order pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516
- 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\revised New order pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IeelBzKVdesRKo.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\IeelBzKVdesRKo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B81.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2512
- C:\Users\Admin\AppData\Local\Temp\revised New order pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\revised New order pdf.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:2832

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4B81.tmp

Filesize
1KB

MD5
9e351a85db44d59fa2c4d98bf237a00e

SHA1
4ad7ec40a8612a5fa0a47e7a70d4455051b6a210

SHA256
d165f71f9a30651cc9bb562ca0f43b115fbc43e389bf53a24a537bc69e00a78b

SHA512
c01434cc360925454d6b2a086dc389784fe949a52a98400cdefe01642f35b8d8df9481ade2cbf5a9fa907c9afff384e67b0cfc130627cc60197aded17eff8129

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d79d5d2904d4e0c7d0ed080d7ca9f635

SHA1
9545eb0064fc4de2473337da0882a22f8bd9fc0d

SHA256
d77b590e26eaa151207f56050cfbcacae7669544873007b8809dc3cce7663ec9

SHA512
0aace7036cd77874b6b0d6b05870dcb59887b5f7f0afef3b95670bcb528431cc83613cd18f1a1658a9652f5ec082b92cf7bf909ab344da3b5d62bb83d0633cae

Download Submit
memory/2516-5-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2516-33-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-4-0x0000000000A30000-0x0000000000A4C000-memory.dmp

Filesize
112KB

Download
memory/2516-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2516-6-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-7-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-8-0x0000000004300000-0x0000000004374000-memory.dmp

Filesize
464KB

Download
memory/2516-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-1-0x0000000000870000-0x000000000093C000-memory.dmp

Filesize
816KB

Download
memory/2516-3-0x0000000004970000-0x0000000004A0E000-memory.dmp

Filesize
632KB

Download
memory/2832-21-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-30-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-25-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-23-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-32-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2832-27-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads