agenttesla | b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca

General

Target

Cotización P13000996 pdf.exe
Size

705KB
MD5

cd3a6f4e87632d933a99502e32a34b73
SHA1

0033645d2b94cf4e56c8ea6eb8508e3c2ee77b11
SHA256

b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca
SHA512

5bb5961f2c0a22ac96ddbf6865ca73d308da2a9d0d04b4265debeed062ff56e7cff9cee8bf428f027f0849f27d01d84fa9b0e0b6902e8b594ceac2b7da73dc0b
SSDEEP

12288:uyU5mU+8o1XTsMGQ8rbHJwVKlwIuyrxLr45MF1R43MtK6jO7i1DIYop:vUx4TXGtHFlwIvN05MF1Tj4i1DMp

Score

10^/10

agenttesla 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:
w#chNV#1
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
1720	powershell.exe
1608	powershell.exe

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

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	Cotización P13000996 pdf.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2488 set thread context of 2416	2488	Cotización P13000996 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cotización P13000996 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cotización P13000996 pdf.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
2272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2488	Cotización P13000996 pdf.exe
2488	Cotización P13000996 pdf.exe
2416	Cotización P13000996 pdf.exe
2416	Cotización P13000996 pdf.exe
1720	powershell.exe
1608	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	Cotización P13000996 pdf.exe
Token: SeDebugPrivilege	2416	Cotización P13000996 pdf.exe
Token: SeDebugPrivilege	1720	powershell.exe
Token: SeDebugPrivilege	1608	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1720	2488	Cotización P13000996 pdf.exe	31
PID 2488 wrote to memory of 1720	2488	Cotización P13000996 pdf.exe	31
PID 2488 wrote to memory of 1720	2488	Cotización P13000996 pdf.exe	31
PID 2488 wrote to memory of 1720	2488	Cotización P13000996 pdf.exe	31
PID 2488 wrote to memory of 1608	2488	Cotización P13000996 pdf.exe	33
PID 2488 wrote to memory of 1608	2488	Cotización P13000996 pdf.exe	33
PID 2488 wrote to memory of 1608	2488	Cotización P13000996 pdf.exe	33
PID 2488 wrote to memory of 1608	2488	Cotización P13000996 pdf.exe	33
PID 2488 wrote to memory of 2272	2488	Cotización P13000996 pdf.exe	34
PID 2488 wrote to memory of 2272	2488	Cotización P13000996 pdf.exe	34
PID 2488 wrote to memory of 2272	2488	Cotización P13000996 pdf.exe	34
PID 2488 wrote to memory of 2272	2488	Cotización P13000996 pdf.exe	34
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37
PID 2488 wrote to memory of 2416	2488	Cotización P13000996 pdf.exe	37

C:\Users\Admin\AppData\Local\Temp\Cotización P13000996 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Cotización P13000996 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:2488
- 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\Cotización P13000996 pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jHJQWf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jHJQWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1111.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2272
- C:\Users\Admin\AppData\Local\Temp\Cotización P13000996 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Cotización P13000996 pdf.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2416

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1111.tmp

Filesize
1KB

MD5
571a3b2b0817073e4cd6837ce19da45b

SHA1
a004091df94de49da52c5c8b278c1fba401d803e

SHA256
967d97e5b159e5a2dcac11b443f781049693494a14d2369861d6efa9bd88a489

SHA512
0313303c85fb74076cbe8c62f4e5273c6112cd47b9c8be3862b9344228cc3983a7cba145d4b2398d6739d40ff736f707c86587150b918a7e5951b6dbdb3e8057

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

Filesize
7KB

MD5
17ae7cfb8191d16d90281870ad861ed6

SHA1
c336d49fe6982a2178a2d3c7dc65e167e4fe1c9d

SHA256
7361d93acb83181a75859b39d8f3c5b554b41c31e653943a0ad141b3cfa6750d

SHA512
dd5566116f97425263e9c2f6d131bd0fce4dcc7feaac110d03eedfbeb228f835ffba6a9d4c8efc2f9657ffc6b04f43b6761d3e32658b2f52df82c9d2f6045e79

Download Submit
memory/2416-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2416-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-6-0x0000000004F70000-0x0000000004FF4000-memory.dmp

Filesize
528KB

Download
memory/2488-1-0x00000000000E0000-0x0000000000196000-memory.dmp

Filesize
728KB

Download
memory/2488-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2488-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2488-3-0x0000000000740000-0x0000000000758000-memory.dmp

Filesize
96KB

Download
memory/2488-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2488-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2488-32-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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