dridex | e314e0abc26f3b8514ca5fe81c797aa080b2a6b61e1ad60d3972d212ab2b8ddf

Analysis

max time kernel
150s
max time network
150s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:08

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General

Target
e314e0abc26f3b8514ca5fe81c797aa080b2a6b61e1ad60d3972d212ab2b8ddf.dll
Size 188KB
Sample210224-4va3fj2gan
SHA256 e314e0abc26f3b8514ca5fe81c797aa080b2a6b61e1ad60d3972d212ab2b8ddf
MD5 563705e0d11ee38108f70e059ff23354
SHA1 9f79b57b9941c3c6e9883b5b160dfa8d23278fd4
SHA512 e602790d87fc165e8957eeaa7d3e84a00a49bcaecc8cd70753dcd395db9361de0a9bb7f041b48a81dcb809d33854ddb27899bb36d89f933e670171f6d2a20490
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/1456-3-0x00000000743E0000-0x0000000074411000-memory.dmp	dridex_ldr
behavioral2/memory/1456-5-0x00000000743E0000-0x00000000743FF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	1456	rundll32.exe
17	1456	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 644 wrote to memory of 1456	644	rundll32.exe	71
PID 644 wrote to memory of 1456	644	rundll32.exe	71
PID 644 wrote to memory of 1456	644	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e314e0abc26f3b8514ca5fe81c797aa080b2a6b61e1ad60d3972d212ab2b8ddf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e314e0abc26f3b8514ca5fe81c797aa080b2a6b61e1ad60d3972d212ab2b8ddf.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1456

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/1456-3-0x00000000743E0000-0x0000000074411000-memory.dmp

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memory/1456-4-0x0000000002700000-0x0000000002706000-memory.dmp

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memory/1456-5-0x00000000743E0000-0x00000000743FF000-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