dridex | b4f295585b121a7c8fbd703d0d9b1917d230e9d8b4a576eb01947a144076ea6d

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
28-06-2021 05:43

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General

Target

b4f295585b121a7c8fbd703d0d9b1917d230e9d8b4a576eb01947a144076ea6d.dll
Size

158KB
MD5

7ce1e5d9a91ead00f8b7c6aee9e7597a
SHA1

f260443e5f19b0c7b41915b9fe3b20e83b5bd3a3
SHA256

b4f295585b121a7c8fbd703d0d9b1917d230e9d8b4a576eb01947a144076ea6d
SHA512

9b6505053f08683a0404619ddaec09ef66bc76c03a7023f14a7117748dff85937129fea67b333807d0221637916f98640245c31155ac2542f8566ce93adb86e8

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1072-115-0x0000000073FB0000-0x0000000073FDD000-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 632 wrote to memory of 1072	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1072	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1072	632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f295585b121a7c8fbd703d0d9b1917d230e9d8b4a576eb01947a144076ea6d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f295585b121a7c8fbd703d0d9b1917d230e9d8b4a576eb01947a144076ea6d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1072

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/1072-114-0x0000000000000000-mapping.dmp

Download
memory/1072-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

Filesize
180KB

Download
memory/1072-117-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download