Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 18:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
njtzac0.dll
Resource
win10v2004-20260513-en
6 signatures
150 seconds
General
- Target njtzac0.dll
- Size 860KB
- Sample260910-w3f47aeb88
- SHA256 ee264a9ac85435880323e9666bd673c0099fc8ffd3c6b5850291b98953d46169
- MD5 3705a86b2b62f88d00f9cfb3c800bc06
- SHA1 6a84185cb3c9dd38671d68ea6e2ed3548f72c7a6
- SHA512 e58316e6dd8769a5346b3b022fd23535cd7b72a7332da2b83823a2daf9036ffdfebd56c4cf2cce534f1d3dfdd162e15c725d43dce0656cddfb77ed2127679ec5
- SSDEEP 24576:BD/SO6D+/lmOOlMuR7hdMbVlo+MbLY+Om+Fmzx:BD/SBiAOOjtW3o+MbLSkF
- TLSH T12215DF41B982EA78D40290B5DE8CCDFE094CFF45CE692A5370C97F9F73781A4623A529
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
dridex
Botnet
-
10444
C2
-
210.65.244.184:443
-
147.78.186.4:10051
-
62.75.168.152:6601
rc4.plain
rc4.plain
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 41 1516 rundll32.exe 43 1516 rundll32.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4232 wrote to memory of 1516 4232 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\njtzac0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\njtzac0.dll,#12⤵
- Badlisted process makes network request
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
PID:1516
-