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
10-09-2024 09:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e1a12bb7dda1c0a71ab56f52d08c6370N.dll
Resource
win7-20240729-en
5 signatures
120 seconds
General
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Target
e1a12bb7dda1c0a71ab56f52d08c6370N.dll
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Size
179KB
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MD5
e1a12bb7dda1c0a71ab56f52d08c6370
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SHA1
a7e1f146b381e0631ffe1ac18f940ede6da9a370
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SHA256
70590e089c1d92117c0b115200a59ad99c3fde352a8f1ac05831306685c038cf
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SHA512
9ed48aabd3ef37e91f0d68d18a1a97fe066758b49d191bfac995d8a66a7e4ee049dc17f89128a7d92572e07c0bd88469b1c2e1016e13d202f59f47789acaa7d2
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SSDEEP
3072:CuCmyBVtWxZCOCA4Hpl1tv18F+yoSJPAacbnid8DOHPJ+HJG:+zWxkOP4pOcDi6DOHPJt
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
144.76.1.150:443
50.249.212.98:23399
104.168.154.79:5007
rc4.plain
rc4.plain
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/1744-1-0x00000000754E0000-0x0000000075511000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2540 1744 WerFault.exe 29 -
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 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 2212 wrote to memory of 1744 2212 rundll32.exe 29 PID 1744 wrote to memory of 2540 1744 rundll32.exe 31 PID 1744 wrote to memory of 2540 1744 rundll32.exe 31 PID 1744 wrote to memory of 2540 1744 rundll32.exe 31 PID 1744 wrote to memory of 2540 1744 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 2203⤵
- Program crash
PID:2540
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