dridex | 9915ad05cce9942dea21e519cea269dd93317a80f72e4e3efcb0a1dbbcd4077f

Analysis

max time kernel
149s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:35

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General

Target
9915ad05cce9942dea21e519cea269dd93317a80f72e4e3efcb0a1dbbcd4077f.dll
Size 188KB
Sample210224-psrlm888k6
SHA256 9915ad05cce9942dea21e519cea269dd93317a80f72e4e3efcb0a1dbbcd4077f
MD5 50b05c31f16db2fbbd317923acb611bf
SHA1 a4d8292c35c3d170d5c764f3a2e7311358d7ca30
SHA512 9ec13a89efa82d7e4b7caece742069439c668d96832ec648a6a30a25c18b7ef66507701c21f523fd53d8a109f492503c0059ec4e0e55a99e3fe2f5fc7697db01
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
behavioral2/memory/804-3-0x0000000074410000-0x0000000074441000-memory.dmp	dridex_ldr
behavioral2/memory/804-5-0x0000000074410000-0x000000007442F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	804	rundll32.exe
19	804	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 3812 wrote to memory of 804	3812	rundll32.exe	69
PID 3812 wrote to memory of 804	3812	rundll32.exe	69
PID 3812 wrote to memory of 804	3812	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9915ad05cce9942dea21e519cea269dd93317a80f72e4e3efcb0a1dbbcd4077f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9915ad05cce9942dea21e519cea269dd93317a80f72e4e3efcb0a1dbbcd4077f.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:804

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/804-3-0x0000000074410000-0x0000000074441000-memory.dmp

Download

memory/804-4-0x0000000003150000-0x0000000003156000-memory.dmp

Download

memory/804-5-0x0000000074410000-0x000000007442F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads