dridex | 02c1bc680bd11d285ec3d67106f1152d59676cd58e837633b56d6ebb6bc82372

Analysis

max time kernel
26s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 06:01

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General

Target
21bf70ca_by_Libranalysis.dll
Size 162KB
Sample210507-4eclc8xjaj
SHA256 02c1bc680bd11d285ec3d67106f1152d59676cd58e837633b56d6ebb6bc82372
MD5 21bf70ca39896edc96f32ca712df85ef
SHA1 729a0d6e8757ac6a67f42d509920f5e49d3ea2cd
SHA512 ae4b9da0dd3330fd693d0fdc3afc28d578cecce7eeada5cad3875c3290e1e4b4a2b8936af29adb7982fb716a50937599e0bb6e66f80762a192e3f8aa4beeaa04
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/3888-115-0x0000000074090000-0x00000000740BE000-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 3952 wrote to memory of 3888	3952	rundll32.exe	58
PID 3952 wrote to memory of 3888	3952	rundll32.exe	58
PID 3952 wrote to memory of 3888	3952	rundll32.exe	58

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21bf70ca_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21bf70ca_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3888

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/3888-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3888-117-0x0000000001040000-0x0000000001046000-memory.dmp