dridex | 7359fb03e09c8416c7a967f72df483a1b60066434c9e49e0deb4b18cb11e9192

Analysis

max time kernel
12s
max time network
111s
platform
windows10_x64
resource
win10v20201028
submitted
19-11-2020 13:34

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General

Target

j4r7zap.dll
Size

539KB
MD5

19473a4823afb3ca1c966ffed1ee6003
SHA1

db853d8f738ee15172141315e96644bf6f265d6b
SHA256

7359fb03e09c8416c7a967f72df483a1b60066434c9e49e0deb4b18cb11e9192
SHA512

850fbc3ae33fa2d36fb4ecd7d06487be6dc1e382e7228faf1648b53e7c0d99ef9724b7578b1aaa42f97b53f2b60497737d14033e2deb09f38d838e7f2aa065cd

Score

10^/10

dridex 10555 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10555

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/4680-1-0x0000000000680000-0x00000000006BD000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4632 wrote to memory of 4680	4632	rundll32.exe	rundll32.exe
PID 4632 wrote to memory of 4680	4632	rundll32.exe	rundll32.exe
PID 4632 wrote to memory of 4680	4632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\j4r7zap.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\j4r7zap.dll,#1
2⤵
PID:4680

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4680-0-0x0000000000000000-mapping.dmp

Download
memory/4680-1-0x0000000000680000-0x00000000006BD000-memory.dmp

Filesize
244KB

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