agenttesla | 7587ba81d8c7dc2ffd4c55ad28fb018ef9e2728d20d65502c9dea4c4300b873e

General

Target

proforma invoice pdf.exe
Size

858KB
MD5

b67477603738159b912b0aa9c197897f
SHA1

51a14b917e8393a3c1ded172bb04c494fdd727e3
SHA256

67cc97b2f5e9d35039589c92c7f6fda7831af0f259ddf248fb166664e4027b91
SHA512

685fe67b8a5d565ccdaf793a7a25dcd84789ac62e8f747800268a547af2771cfa7b11e758a7255e5d57117fd8151364d296b52aed4ad4d96c5752cd6b0164cc4
SSDEEP

12288:vTEAWYMV+I4MVKWLFRLvHG0YV0k6LbRbMhG8FjrPqre71+8cYLsm2F9QykR:LhGRgYXYak6LbRR8F3inBYsm2LQB

Score

10^/10

agenttesla collection discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5145135161:AAFnBnjYGtIUE_EwGqQ3-YIV1FOEItrzy8c/

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
2920	powershell.exe
3000	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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice 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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\bmBOz = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bmBOz\\bmBOz.exe"	proforma invoice 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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1604 set thread context of 2324	1604	proforma invoice pdf.exe	37

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	proforma invoice pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	proforma invoice 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
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1604	proforma invoice pdf.exe
1604	proforma invoice pdf.exe
1604	proforma invoice pdf.exe
1604	proforma invoice pdf.exe
3000	powershell.exe
2920	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	proforma invoice pdf.exe
Token: SeDebugPrivilege	2324	proforma invoice pdf.exe
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	2920	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2324	proforma invoice pdf.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 2920	1604	proforma invoice pdf.exe	30
PID 1604 wrote to memory of 2920	1604	proforma invoice pdf.exe	30
PID 1604 wrote to memory of 2920	1604	proforma invoice pdf.exe	30
PID 1604 wrote to memory of 2920	1604	proforma invoice pdf.exe	30
PID 1604 wrote to memory of 3000	1604	proforma invoice pdf.exe	32
PID 1604 wrote to memory of 3000	1604	proforma invoice pdf.exe	32
PID 1604 wrote to memory of 3000	1604	proforma invoice pdf.exe	32
PID 1604 wrote to memory of 3000	1604	proforma invoice pdf.exe	32
PID 1604 wrote to memory of 2932	1604	proforma invoice pdf.exe	33
PID 1604 wrote to memory of 2932	1604	proforma invoice pdf.exe	33
PID 1604 wrote to memory of 2932	1604	proforma invoice pdf.exe	33
PID 1604 wrote to memory of 2932	1604	proforma invoice pdf.exe	33
PID 1604 wrote to memory of 888	1604	proforma invoice pdf.exe	36
PID 1604 wrote to memory of 888	1604	proforma invoice pdf.exe	36
PID 1604 wrote to memory of 888	1604	proforma invoice pdf.exe	36
PID 1604 wrote to memory of 888	1604	proforma invoice pdf.exe	36
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37
PID 1604 wrote to memory of 2324	1604	proforma invoice pdf.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice pdf.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice 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:1604
- 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\proforma invoice pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2920
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wTyVrj.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTyVrj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB174.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe"
  2⤵
  PID:888
- C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2324

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\tmpB174.tmp

Filesize
1KB

MD5
73bdefd7e1f10291d999ca7226b6dc86

SHA1
860be3e1c2c93e5b3402dfeef9c498a1b19c051f

SHA256
d43fb9e6d80e37e78ead24516a11311250b3838d50da6b1e3c696861cb9079b7

SHA512
83de04cb8f01e810358b0436b2b382a0eb023ef87deb236a639b15875c04fd8692f6bbc40d1d64d2fec49e2d918f0c7f8a8e0c69312f68b0c715a43177b86d05

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\F682AB2B1JGI3QMYBF9A.temp

Filesize
7KB

MD5
40b9432fe54993175d6efad118800830

SHA1
ef4db68fbccc0acad115d926e3503283c8b34b63

SHA256
8cece440fbbf2471060d3f15d8c2f7eb3c8d8cf56984284c77a9e80d886a9bdd

SHA512
7a980d23a3ee7cf5cc4f0567cf2ca856fb1f79362d321b377af12d8b818a8fac43c316ee3273b8453784a33674eb84bc56684395da630213875737ccac877c6e

Download Submit
memory/1604-4-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1604-3-0x00000000004B0000-0x00000000004CC000-memory.dmp

Filesize
112KB

Download
memory/1604-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1604-5-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-6-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-7-0x00000000048A0000-0x0000000004916000-memory.dmp

Filesize
472KB

Download
memory/1604-2-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-1-0x0000000000FC0000-0x000000000109A000-memory.dmp

Filesize
872KB

Download
memory/1604-33-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2324-32-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2324-30-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2324-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2324-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2324-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2324-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2324-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads