dridex | 581a2419d8e96d3367e5ead5f7de2c743133db0e69e6f3721d4a99c9ebafda36

Analysis

max time kernel
13s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
18-11-2020 23:20

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General

Target

s.bin.dll
Size

540KB
MD5

bf44f8eef8654d6b2ce11c302351e02a
SHA1

a6fd4a421ca6041f91cb7ce63a6c33f2a1fde0c1
SHA256

581a2419d8e96d3367e5ead5f7de2c743133db0e69e6f3721d4a99c9ebafda36
SHA512

83d6cd60373366d501130b0c23db0c74fde4f7151d8a89a9e2987321f784b72c71517c1aaa24f7a8cf11cd9a3e8028b7771d27795b1f7f80778ecb66316b8678

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/1168-1-0x00000000044D0000-0x000000000450D000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 656 wrote to memory of 1168	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1168	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1168	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\s.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\s.bin.dll,#1
2⤵
PID:1168

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1168-0-0x0000000000000000-mapping.dmp

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memory/1168-1-0x00000000044D0000-0x000000000450D000-memory.dmp

Filesize
244KB

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