Analysis
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max time kernel
110s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
16-08-2024 07:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll
Resource
win7-20240729-en
windows7-x64
5 signatures
120 seconds
General
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Target
5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll
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Size
184KB
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MD5
5b0255dcb1e9a2b9fd0a0f2a2bce2920
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SHA1
5b32e7fa921eb5749eadb09ca9ae43f2a77d9be2
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SHA256
909f24439bd05c10854c952af9e1509d4d2e9d1cd99d212de1efe2a79c12bf16
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SHA512
28bccf86fd894181bb3ea27a19169b477d4ae5e83b57d3c2a949bc073dc65094957f99cf1c10152ac2e8b93a3e2cef6f819b9e1a6220f3c8d140b4455da33ed8
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SSDEEP
3072:e92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTsrLA:e9NSMOEpQ1Q3ODAr+VI
Malware Config
Extracted
Family
dridex
Botnet
22203
C2
80.241.218.90:443
103.161.172.109:13786
87.98.128.76:5723
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/2516-1-0x0000000074CE0000-0x0000000074D0F000-memory.dmp dridex_ldr behavioral1/memory/2516-2-0x0000000074CE0000-0x0000000074D0F000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2296 2516 WerFault.exe 30 -
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 11 IoCs
description pid Process procid_target PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2408 wrote to memory of 2516 2408 rundll32.exe 30 PID 2516 wrote to memory of 2296 2516 rundll32.exe 32 PID 2516 wrote to memory of 2296 2516 rundll32.exe 32 PID 2516 wrote to memory of 2296 2516 rundll32.exe 32 PID 2516 wrote to memory of 2296 2516 rundll32.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 2203⤵
- Program crash
PID:2296
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