dridex | ffcd3f21e103ef18413700ee91a9737900ea88fcae1607cffbf4d7f587039504

Analysis

max time kernel
12s
max time network
113s
platform
windows10_x64
resource
win10v20201028
submitted
30-11-2020 16:26

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General

Target

t6yswb.pdf.pellet.dll
Size

590KB
MD5

770df303f86ac191c177035c214589ee
SHA1

6cb4229559c3bcc16d33a92f81fef25b1840d750
SHA256

ffcd3f21e103ef18413700ee91a9737900ea88fcae1607cffbf4d7f587039504
SHA512

e23ccdc09dd516cad89f8a2c0f11fa23e64e1b1fcff63f4e56338d24b35ab33a972e99898b80c6ade51382443a3993c9254ebd349167380a0fc2e97687c4bcd9

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/3260-3-0x0000000000B90000-0x0000000000BCD000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2604 wrote to memory of 3260	2604	rundll32.exe	rundll32.exe
PID 2604 wrote to memory of 3260	2604	rundll32.exe	rundll32.exe
PID 2604 wrote to memory of 3260	2604	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\t6yswb.pdf.pellet.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2604

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\t6yswb.pdf.pellet.dll,#1
2⤵
PID:3260

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3260-2-0x0000000000000000-mapping.dmp

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memory/3260-3-0x0000000000B90000-0x0000000000BCD000-memory.dmp

Filesize
244KB

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