agenttesla | b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca

Analysis

max time kernel
120s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 07:02

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General

Target

CotizacinP13000996pdf.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

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
w#chNV#1

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
2456	powershell.exe
5008	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	CotizacinP13000996pdf.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	CotizacinP13000996pdf.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
7	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5064 set thread context of 4844	5064	CotizacinP13000996pdf.exe	91

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	CotizacinP13000996pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CotizacinP13000996pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5064	CotizacinP13000996pdf.exe
2456	powershell.exe
5008	powershell.exe
5064	CotizacinP13000996pdf.exe
2456	powershell.exe
5008	powershell.exe
4844	CotizacinP13000996pdf.exe
4844	CotizacinP13000996pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	CotizacinP13000996pdf.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	4844	CotizacinP13000996pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 2456	5064	CotizacinP13000996pdf.exe	85
PID 5064 wrote to memory of 2456	5064	CotizacinP13000996pdf.exe	85
PID 5064 wrote to memory of 2456	5064	CotizacinP13000996pdf.exe	85
PID 5064 wrote to memory of 5008	5064	CotizacinP13000996pdf.exe	87
PID 5064 wrote to memory of 5008	5064	CotizacinP13000996pdf.exe	87
PID 5064 wrote to memory of 5008	5064	CotizacinP13000996pdf.exe	87
PID 5064 wrote to memory of 320	5064	CotizacinP13000996pdf.exe	89
PID 5064 wrote to memory of 320	5064	CotizacinP13000996pdf.exe	89
PID 5064 wrote to memory of 320	5064	CotizacinP13000996pdf.exe	89
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91
PID 5064 wrote to memory of 4844	5064	CotizacinP13000996pdf.exe	91

C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064
- 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\CotizacinP13000996pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2456
- 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:5008
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jHJQWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD30F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:320
- C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nwfg2k2b.d4c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD30F.tmp

Filesize
1KB

MD5
599822bf9cc1c28a440063cebb796685

SHA1
a5717686edf11d2688d98a58c12bc060f9445590

SHA256
5d4a8692c7eb7b4e064b5a050fe8f3e112a0dbc5b1ae35bcbf2da4cef1ce46bb

SHA512
9a3ba6ef01da00f540b7c28fcef0f3c1d6e45bbf1f6eba8e90b7c32aac9a97d0ded985d988859921ad1d2f7ed5f74e01d6bfcdfbb5e9f4fd2304e5dab70b90e2

Download Submit
memory/2456-16-0x0000000005590000-0x0000000005BB8000-memory.dmp

Filesize
6.2MB

Download
memory/2456-52-0x000000006FBC0000-0x000000006FC0C000-memory.dmp

Filesize
304KB

Download
memory/2456-82-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/2456-81-0x0000000007920000-0x0000000007934000-memory.dmp

Filesize
80KB

Download
memory/2456-74-0x0000000007D20000-0x000000000839A000-memory.dmp

Filesize
6.5MB

Download
memory/2456-75-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/2456-51-0x0000000007550000-0x0000000007582000-memory.dmp

Filesize
200KB

Download
memory/2456-18-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/2456-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/2456-15-0x0000000004DE0000-0x0000000004E16000-memory.dmp

Filesize
216KB

Download
memory/2456-83-0x0000000007A00000-0x0000000007A08000-memory.dmp

Filesize
32KB

Download
memory/2456-46-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/2456-63-0x0000000007590000-0x0000000007633000-memory.dmp

Filesize
652KB

Download
memory/2456-22-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/2456-21-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/2456-85-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/2456-24-0x0000000005DA0000-0x00000000060F4000-memory.dmp

Filesize
3.3MB

Download
memory/2456-62-0x0000000006960000-0x000000000697E000-memory.dmp

Filesize
120KB

Download
memory/2456-48-0x00000000063B0000-0x00000000063CE000-memory.dmp

Filesize
120KB

Download
memory/2456-20-0x00000000054F0000-0x0000000005512000-memory.dmp

Filesize
136KB

Download
memory/2456-49-0x00000000068E0000-0x000000000692C000-memory.dmp

Filesize
304KB

Download
memory/4844-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4844-87-0x00000000065B0000-0x0000000006600000-memory.dmp

Filesize
320KB

Download
memory/5008-19-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5008-76-0x0000000007090000-0x000000000709A000-memory.dmp

Filesize
40KB

Download
memory/5008-86-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5008-80-0x0000000007250000-0x000000000725E000-memory.dmp

Filesize
56KB

Download
memory/5008-35-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5008-78-0x0000000007220000-0x0000000007231000-memory.dmp

Filesize
68KB

Download
memory/5008-44-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5008-77-0x00000000072A0000-0x0000000007336000-memory.dmp

Filesize
600KB

Download
memory/5008-64-0x000000006FBC0000-0x000000006FC0C000-memory.dmp

Filesize
304KB

Download
memory/5064-9-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5064-6-0x00000000058B0000-0x000000000594C000-memory.dmp

Filesize
624KB

Download
memory/5064-7-0x0000000005870000-0x0000000005888000-memory.dmp

Filesize
96KB

Download
memory/5064-8-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/5064-10-0x0000000006960000-0x00000000069E4000-memory.dmp

Filesize
528KB

Download
memory/5064-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/5064-5-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/5064-4-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5064-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/5064-50-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/5064-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/5064-1-0x0000000000B50000-0x0000000000C06000-memory.dmp

Filesize
728KB

Download