dridex | 0528e47420092ceebddda93b66960bcbc35151a367ef20b6f5827e60c2522d98

Analysis

max time kernel
67s
max time network
128s
platform
windows10_x64
resource
win10v20201028
submitted
22/03/2021, 18:45

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General

Target
0528e47420092ceebddda93b66960bcbc35151a367ef20b6f5827e60c2522d98.dll
Size 373KB
Sample210322-c695nvrasn
SHA256 0528e47420092ceebddda93b66960bcbc35151a367ef20b6f5827e60c2522d98
MD5 6ee887226bf4ba5e4687b903b7e55320
SHA1 7ac1a7685f53e7fa5e9ec3a128dbe4b33cca3772
SHA512 36af558b072799c9dcf17f1cbb145b98034d318d85a68e1ca1bbd50ee2e92d36930762ada2eddb68c72c9616ff885c38ba7272f3e0c8fe4e723480fde6c02fec
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.179:443
37.247.35.130:6601
103.18.108.116:6601

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/4668-3-0x0000000074190000-0x00000000741CD000-memory.dmp	dridex_ldr
behavioral2/memory/4668-4-0x0000000074190000-0x00000000741CD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	4668	rundll32.exe
18	4668	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 4640 wrote to memory of 4668	4640	rundll32.exe	69
PID 4640 wrote to memory of 4668	4640	rundll32.exe	69
PID 4640 wrote to memory of 4668	4640	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0528e47420092ceebddda93b66960bcbc35151a367ef20b6f5827e60c2522d98.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0528e47420092ceebddda93b66960bcbc35151a367ef20b6f5827e60c2522d98.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4668

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/4668-3-0x0000000074190000-0x00000000741CD000-memory.dmp

Download

memory/4668-4-0x0000000074190000-0x00000000741CD000-memory.dmp

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memory/4668-5-0x00000000030D0000-0x00000000030D1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads