dridex | 7f850ddd385a45733a1d55fc70753eb1089b738cc4c4b8111fff78973eadb898

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 02:34

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General

Target

7f850ddd385a45733a1d55fc70753eb1089b738cc4c4b8111fff78973eadb898.dll
Size

160KB
MD5

623d083b329a5297b4baa4325debf33c
SHA1

9ccca6c42808b7789cd9f86f3f7410cb25f603c4
SHA256

7f850ddd385a45733a1d55fc70753eb1089b738cc4c4b8111fff78973eadb898
SHA512

fd0640ebc851242b3cd8c56c6129b5854c2338833a14210c3ead06ba6530a16484d4e3fc9aaf0aea226cd19f8b4489462ae864a546e87fc5cbf2e5f039840ce5

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/4064-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 4064	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4064	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4064	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f850ddd385a45733a1d55fc70753eb1089b738cc4c4b8111fff78973eadb898.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f850ddd385a45733a1d55fc70753eb1089b738cc4c4b8111fff78973eadb898.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4064

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/4064-114-0x0000000000000000-mapping.dmp

Download
memory/4064-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Filesize
184KB

Download
memory/4064-117-0x0000000004930000-0x0000000004936000-memory.dmp

Filesize
24KB

Download