Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2024 13:17
Static task
static1
Behavioral task
behavioral1
Sample
Guía de carga de DHL_pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Guía de carga de DHL_pdf.exe
Resource
win10v2004-20241007-en
General
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Target
Guía de carga de DHL_pdf.exe
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Size
298KB
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MD5
a850decb07a489a1f6fe96ad37273cfb
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SHA1
d8ea2f165dab37ac9cd98433f6ea984e17e23699
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SHA256
eb63c71f096131d99d8d2a6ae302687adabc8f06a2527947e492acb3e7b43cd9
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SHA512
d6b583f7d3b3a2b0171684644cb90370b031a683bce6228b324a40160bb3f00111a46f02a5efd6e725bf451a04e93963ce8b6b783026b1d460e53f34d333ba52
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SSDEEP
6144:9c84OG2S2MQDtLC9xwQj2faYEEPg1zoCwo2lxqAPrAE:9Z4OG2S2MQQEQj2fad18L/jb
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7824077250:AAFcoqx_HuY2oC2csA-0G-hez0Tv78Sn08E/sendMessage?chat_id=7546472414
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/2904-1095-0x0000000000400000-0x000000000047C000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3196 created 3556 3196 Guía de carga de DHL_pdf.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AreAuditRulesProtected.vbs Guía de carga de DHL_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 27 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3196 set thread context of 2904 3196 Guía de carga de DHL_pdf.exe 95 -
Program crash 1 IoCs
pid pid_target Process procid_target 5084 2904 WerFault.exe 95 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Guía de carga de DHL_pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3196 Guía de carga de DHL_pdf.exe 2904 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3196 Guía de carga de DHL_pdf.exe Token: SeDebugPrivilege 3196 Guía de carga de DHL_pdf.exe Token: SeDebugPrivilege 2904 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95 PID 3196 wrote to memory of 2904 3196 Guía de carga de DHL_pdf.exe 95
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3556
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C:\Users\Admin\AppData\Local\Temp\Guía de carga de DHL_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Guía de carga de DHL_pdf.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 14443⤵
- Program crash
PID:5084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2904 -ip 29041⤵PID:4276