dridex | 4c319e7302955e82009acfc75df0b84b337831ac47a925138f05d1bcbeb149af

Analysis

max time kernel
27s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 12:10

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General

Target
efd15228_by_Libranalysis.dll
Size 159KB
Sample210429-vad7bfttz2
SHA256 4c319e7302955e82009acfc75df0b84b337831ac47a925138f05d1bcbeb149af
MD5 efd152287d4f54e63def11fe933d7abf
SHA1 4f1bab14224c0b462aa4fa362bc1c71608ae18a6
SHA512 d2e4cdc91207d7a002cc12edff79e2232f364876895fe1f4544511942bb4e30ac81f8c0319b1cfb440f48f2eaa67602baebba1f5afeef21197ab8fb5f4b1d1f2
MD5 SHA1 SHA512

Score

10^/10

dridex 22203 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22203

78.46.73.125:443
185.148.168.26:2303
66.113.160.126:8172

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/1632-115-0x0000000010000000-0x000000001002D000-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 752 wrote to memory of 1632	752	rundll32.exe	71
PID 752 wrote to memory of 1632	752	rundll32.exe	71
PID 752 wrote to memory of 1632	752	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efd15228_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efd15228_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1632

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/1632-115-0x0000000010000000-0x000000001002D000-memory.dmp

Download

memory/1632-117-0x00000000006E0000-0x00000000006E6000-memory.dmp