dridex | 3997bf3cf7485ae768f7a23aaa9004f73b0594550611138906821f9b4dc9bce7

Analysis

max time kernel
13s
max time network
68s
platform
windows10_x64
resource
win10v20201028
submitted
13-01-2021 11:20

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General

Target

xka8p2.rar.dll
Size

311KB
MD5

ae994d2a6193a4e256aa86ce0b61175b
SHA1

e067113be50304e76cad4aee6b5bee638938b2e4
SHA256

3997bf3cf7485ae768f7a23aaa9004f73b0594550611138906821f9b4dc9bce7
SHA512

dfaf1af31639a358219d6f0bcbf0858d397d5ce082ce9a7282c4c2c2e5f3c8190c3b9f08fa4dcff0d97faacb367679b7d27c738c11e4821bcccafe7bad5ecffd

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.37:443

80.86.91.27:3308

5.100.228.233:3389

46.105.131.65:1512

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/1996-3-0x0000000002CC0000-0x0000000002CFD000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1404 wrote to memory of 1996	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 1996	1404	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 1996	1404	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\xka8p2.rar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\xka8p2.rar.dll,#1
2⤵
PID:1996

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1996-2-0x0000000000000000-mapping.dmp

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memory/1996-3-0x0000000002CC0000-0x0000000002CFD000-memory.dmp

Filesize
244KB

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