dridex | 98e172d9780eb4d873ebb30d91a67be1cca76a33c0769e40848f99eb8212172b

Analysis

max time kernel
23s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 12:02

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General

Target
2f119d38_by_Libranalysis.dll
Size 162KB
Sample210503-qf3355vxdx
SHA256 98e172d9780eb4d873ebb30d91a67be1cca76a33c0769e40848f99eb8212172b
MD5 2f119d381a7321a6f8cb5904f53fd016
SHA1 d4f25efd3b44b410e8074ad29dd0e88ec3bf435f
SHA512 85140b43cdb780c3b17e8b738b1b2cdc9b1778d2a651b23bad8e1777cf68ed87ca8291bc4aed2089c835b9703e1cb16b148a4542e11359f8cc0cd1229c977606
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4076-115-0x0000000074380000-0x00000000743AE000-memory.dmp	dridex_ldr

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 3904 wrote to memory of 4076	3904	rundll32.exe	71
PID 3904 wrote to memory of 4076	3904	rundll32.exe	71
PID 3904 wrote to memory of 4076	3904	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f119d38_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f119d38_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4076-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/4076-117-0x00000000006A0000-0x00000000006A6000-memory.dmp