dridex | 00d8ecff83115efe2fa1d2cdbd399f5c5004461d4bfae7fa3fb22eb86b640ee5

Analysis

max time kernel
39s
max time network
97s
platform
windows7_x64
resource
win7v20201028
submitted
16/03/2021, 05:18

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General

Target
00d8ecff83115efe2fa1d2cdbd399f5c5004461d4bfae7fa3fb22eb86b640ee5.dll
Size 860KB
Sample210316-13d3hfda96
SHA256 00d8ecff83115efe2fa1d2cdbd399f5c5004461d4bfae7fa3fb22eb86b640ee5
MD5 50e5aeeeb79ff81c35c7d8d12348fa3a
SHA1 ef838c9efd93217ce427d7975e61271b704abadd
SHA512 d093de4e72f2e5a3622cc1848f9a5ecdb95f04f05a20abdfc91805711f11eab1656e1c95b390c2b4913cdf8116ddaab06ebf4d31f924ecfba898aba0d1726c6e
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.184:443
147.78.186.4:10051
62.75.168.152:6601

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
behavioral1/memory/2020-4-0x00000000743C0000-0x00000000743FD000-memory.dmp	dridex_ldr
behavioral1/memory/2020-5-0x00000000743C0000-0x00000000743FD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2020	rundll32.exe
8	2020	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 1656 wrote to memory of 2020	1656	rundll32.exe	25
PID 1656 wrote to memory of 2020	1656	rundll32.exe	25
PID 1656 wrote to memory of 2020	1656	rundll32.exe	25
PID 1656 wrote to memory of 2020	1656	rundll32.exe	25
PID 1656 wrote to memory of 2020	1656	rundll32.exe	25
PID 1656 wrote to memory of 2020	1656	rundll32.exe	25
PID 1656 wrote to memory of 2020	1656	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\00d8ecff83115efe2fa1d2cdbd399f5c5004461d4bfae7fa3fb22eb86b640ee5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\00d8ecff83115efe2fa1d2cdbd399f5c5004461d4bfae7fa3fb22eb86b640ee5.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2020

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/324-7-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmp

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memory/2020-3-0x0000000074D11000-0x0000000074D13000-memory.dmp

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memory/2020-4-0x00000000743C0000-0x00000000743FD000-memory.dmp

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memory/2020-5-0x00000000743C0000-0x00000000743FD000-memory.dmp

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memory/2020-6-0x00000000001F0000-0x00000000001F1000-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