dridex | 2232640adce8fe12bc30f3113c6b0316ad0074d4d5eef20fc20e1fd88e7a32bb

Analysis

max time kernel
18s
max time network
139s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 02:08

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General

Target

2232640adce8fe12bc30f3113c6b0316ad0074d4d5eef20fc20e1fd88e7a32bb.dll
Size

160KB
MD5

0f8e75c77a2636fe81be13d14dc22f9a
SHA1

0801b9ff65baf31f7391280608fe268baf2c30ec
SHA256

2232640adce8fe12bc30f3113c6b0316ad0074d4d5eef20fc20e1fd88e7a32bb
SHA512

35e14b0e9e477958b9ae47aff41788433d9efa58cfa38bcfed914d7f69743e3f33cc1863f22f8f978fe6b26c17366f3e005feb49431e47a0366f1d2b6d840181

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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
behavioral1/memory/724-115-0x0000000074300000-0x000000007432E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3876 wrote to memory of 724	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 724	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 724	3876	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2232640adce8fe12bc30f3113c6b0316ad0074d4d5eef20fc20e1fd88e7a32bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2232640adce8fe12bc30f3113c6b0316ad0074d4d5eef20fc20e1fd88e7a32bb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/724-114-0x0000000000000000-mapping.dmp

Download
memory/724-115-0x0000000074300000-0x000000007432E000-memory.dmp

Filesize
184KB

Download
memory/724-117-0x0000000004900000-0x0000000004906000-memory.dmp

Filesize
24KB

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