dridex | 9ddd3a51bfb57e439d1db6e0bede7e27cd618e57d7fa58a0c1a082b608e60be8

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 19:28

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General

Target

9ddd3a51bfb57e439d1db6e0bede7e27cd618e57d7fa58a0c1a082b608e60be8.dll
Size

160KB
MD5

888f40fe00935b60bad666d45aa9358f
SHA1

59f17266ae0b3baf435d3f56f134acbe0913e154
SHA256

9ddd3a51bfb57e439d1db6e0bede7e27cd618e57d7fa58a0c1a082b608e60be8
SHA512

fa44b3c1d7dadb633c8b6bc70476184b87e329df983e627dba4213acaa4bcfca06b80ddb9e6559337b699750e2152f8890817ce576843670a383bc5f4a223b6c

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/1184-115-0x0000000074430000-0x000000007445E000-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 740 wrote to memory of 1184	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1184	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1184	740	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ddd3a51bfb57e439d1db6e0bede7e27cd618e57d7fa58a0c1a082b608e60be8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ddd3a51bfb57e439d1db6e0bede7e27cd618e57d7fa58a0c1a082b608e60be8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1184

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/1184-114-0x0000000000000000-mapping.dmp

Download
memory/1184-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/1184-117-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

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