dridex | 25f602f404c20e9208bb83639821dd17d1ab3523446f33f56261c6df74c954e9

Analysis

max time kernel
19s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 03:36

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General

Target

25f602f404c20e9208bb83639821dd17d1ab3523446f33f56261c6df74c954e9.dll
Size

158KB
MD5

fd89a7df600971b830699eba2cbe4265
SHA1

18204f10b0c10ba73dfe95e3fffa15d2c847d3b2
SHA256

25f602f404c20e9208bb83639821dd17d1ab3523446f33f56261c6df74c954e9
SHA512

f65c4ef2720297e31d680d280314bfdb9354b8f60dcef4274f88099e7a28ad908766c71323c96c928295a654e05e1d1fe6798e8c63b8ef12820d939460642733

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/1728-115-0x0000000073DE0000-0x0000000073E0D000-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 3944 wrote to memory of 1728	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 1728	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 1728	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25f602f404c20e9208bb83639821dd17d1ab3523446f33f56261c6df74c954e9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\25f602f404c20e9208bb83639821dd17d1ab3523446f33f56261c6df74c954e9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1728

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/1728-114-0x0000000000000000-mapping.dmp

Download
memory/1728-115-0x0000000073DE0000-0x0000000073E0D000-memory.dmp

Filesize
180KB

Download
memory/1728-117-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download