dridex | 807b6020dccbfdbeabd1cccd35d9aca8b9d8f0f3b312562e8b1ae4bd7867ffee

Analysis

max time kernel
35s
max time network
96s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:35

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General

Target
807b6020dccbfdbeabd1cccd35d9aca8b9d8f0f3b312562e8b1ae4bd7867ffee.dll
Size 188KB
Sample210224-573t5rb5ma
SHA256 807b6020dccbfdbeabd1cccd35d9aca8b9d8f0f3b312562e8b1ae4bd7867ffee
MD5 71b6902cf9023589f64a323f3de087f6
SHA1 4b4cc770e9ea20d7496e0e8e60cc9bf707d15281
SHA512 62f07ab3a715c342f725c7c0f5395aa3f4bbf93ada0dc8d74fe4677fbfdba55203f12daf75366f7d4271398853e54fa82e42190884fd9448bc239ac346b829c5
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1764-5-0x0000000074C20000-0x0000000074C51000-memory.dmp	dridex_ldr
behavioral1/memory/1764-7-0x0000000074C20000-0x0000000074C3F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1764	rundll32.exe
8	1764	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25
PID 1088 wrote to memory of 1764	1088	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\807b6020dccbfdbeabd1cccd35d9aca8b9d8f0f3b312562e8b1ae4bd7867ffee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\807b6020dccbfdbeabd1cccd35d9aca8b9d8f0f3b312562e8b1ae4bd7867ffee.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1224-8-0x000007FEF7900000-0x000007FEF7B7A000-memory.dmp

Download

memory/1764-3-0x0000000075D61000-0x0000000075D63000-memory.dmp

Download

memory/1764-4-0x00000000748B0000-0x0000000074A53000-memory.dmp

Download

memory/1764-5-0x0000000074C20000-0x0000000074C51000-memory.dmp

Download

memory/1764-6-0x0000000000180000-0x0000000000186000-memory.dmp

Download

memory/1764-7-0x0000000074C20000-0x0000000074C3F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads