dridex | 1fd19222df72ea875613e81a37e94c30a25cb2d69d857159ee1d7fdfc8848348

Analysis

max time kernel
122s
max time network
122s
platform
windows10_x64
resource
win10v20201028
submitted
18-11-2020 12:37

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General

Target

ebfrx57.dll
Size

539KB
MD5

99b10941dd60a6d6e9833ddd7dd8bf87
SHA1

819f39375b87402693f0d0e5f3434c5747234227
SHA256

1fd19222df72ea875613e81a37e94c30a25cb2d69d857159ee1d7fdfc8848348
SHA512

c9474466bb4ed8ff2661c26f407d9f7a59b9820f6e46181bbf76dd4fdd60d489626077c468fac8002941b788131e11c006cb78b541151ea70eda60d0e009b58d

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/3996-1-0x0000000001160000-0x000000000119D000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1028 wrote to memory of 3996	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 3996	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 3996	1028	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebfrx57.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebfrx57.dll,#1
2⤵
PID:3996

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3996-0-0x0000000000000000-mapping.dmp

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memory/3996-1-0x0000000001160000-0x000000000119D000-memory.dmp

Filesize
244KB

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