dridex | a11603868f1a1bc1728c43b8ca3172021d3dbc0bbe554f436b41e71bbffbaf39

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-en-20211104
submitted
24/11/2021, 17:27

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General

Target
0e74eabfa1fb0f7c526ab0ea42c8738c.dll
Size 768KB
Sample211124-v1eynsdcej
SHA256 a11603868f1a1bc1728c43b8ca3172021d3dbc0bbe554f436b41e71bbffbaf39
MD5 0e74eabfa1fb0f7c526ab0ea42c8738c
SHA1 34b8f4403fe5fb436d08b2e5fcb3eb4710a1c652
SHA512 398a979b36c1606f51f3f4783263a3bf112423fd08df22de6cbc2ce35b6c066058d862c4d4a1b178eaae06a7f5c30c1018a2ca8a995af8e5891de9aaa46bcd16
MD5 SHA1 SHA512

Score

10^/10

dridex 22203 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

22203

107.170.4.227:443
178.128.222.53:8116
185.148.168.15:4664
64.251.25.156:6602

rc4.plain

Signatures

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

Blocklisted process makes network request 3 IoCs

flow	pid	Process
3	320	rundll32.exe
5	320	rundll32.exe
7	320	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 1896 wrote to memory of 320	1896	rundll32.exe	27
PID 1896 wrote to memory of 320	1896	rundll32.exe	27
PID 1896 wrote to memory of 320	1896	rundll32.exe	27
PID 1896 wrote to memory of 320	1896	rundll32.exe	27
PID 1896 wrote to memory of 320	1896	rundll32.exe	27
PID 1896 wrote to memory of 320	1896	rundll32.exe	27
PID 1896 wrote to memory of 320	1896	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e74eabfa1fb0f7c526ab0ea42c8738c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e74eabfa1fb0f7c526ab0ea42c8738c.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:320

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/320-56-0x0000000075851000-0x0000000075853000-memory.dmp

Download

memory/320-57-0x0000000074650000-0x0000000074710000-memory.dmp

Download

memory/320-60-0x0000000000100000-0x0000000000106000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads