dridex | cf44d002356277038c8b9ddf6d5be037b25c34fb5e1cd94750bcaeddb103db85

Analysis

max time kernel
147s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
19/03/2024, 19:01

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General

Target

cf44d002356277038c8b9ddf6d5be037b25c34fb5e1cd94750bcaeddb103db85.dll
Size

682KB
MD5

695d74f98a3530f57efeba7f59f42c70
SHA1

d240ad10acf8f15e8ac29fa8bee58796900bc55a
SHA256

cf44d002356277038c8b9ddf6d5be037b25c34fb5e1cd94750bcaeddb103db85
SHA512

f63280e43b7fb3d048fd1da4d302f57ed0a218dcbedec5e8b188434ff86b78a20bba972e7d9a2b4d981cf1a13433535c976fc3e538c7c5953c568bef718e0b9b
SSDEEP

12288:Gg955yNDTvo88g1iPJHUwMqxoL+0z93kFcochkZ1pFzHOU/GGzKe:n9zGTvBbiPJ0w3o7z93kB8AH6i

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.37:443

51.15.176.55:3389

85.25.144.36:4643

139.162.53.147:4443

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 1 IoCs

flow	pid	Process
1	4692	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 3 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4692	2044	rundll32.exe	80
PID 2044 wrote to memory of 4692	2044	rundll32.exe	80
PID 2044 wrote to memory of 4692	2044	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf44d002356277038c8b9ddf6d5be037b25c34fb5e1cd94750bcaeddb103db85.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf44d002356277038c8b9ddf6d5be037b25c34fb5e1cd94750bcaeddb103db85.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Replay Monitor

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Downloads

memory/4692-0-0x0000000075790000-0x000000007584C000-memory.dmp

Filesize
752KB

Download
memory/4692-2-0x0000000075790000-0x000000007584C000-memory.dmp

Filesize
752KB

Download
memory/4692-3-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/4692-4-0x0000000075790000-0x000000007584C000-memory.dmp

Filesize
752KB

Download