dridex | bdc2272b98a1b7fa7bf6b85b9613e9e7a6bdf4dac91a1eb445f88285e18fd898

Analysis

max time kernel
28s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 12:02

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General

Target
8d303f1a_by_Libranalysis.dll
Size 162KB
Sample210503-d7e1bs18ax
SHA256 bdc2272b98a1b7fa7bf6b85b9613e9e7a6bdf4dac91a1eb445f88285e18fd898
MD5 8d303f1ab4b7240ca8290998c6f69501
SHA1 91bc136a733d6c2ff0de035dc05115fcbfdf6665
SHA512 509b978af01829c4a74b93b45548c0f26489723bcb7ff1879efc99b068f200642960cea959200a261fb7cbd960399796055511c130f643549e158eb45d05b250
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/4008-115-0x0000000074390000-0x00000000743BE000-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 568 wrote to memory of 4008	568	rundll32.exe	69
PID 568 wrote to memory of 4008	568	rundll32.exe	69
PID 568 wrote to memory of 4008	568	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d303f1a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d303f1a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4008

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/4008-115-0x0000000074390000-0x00000000743BE000-memory.dmp

Download

memory/4008-117-0x0000000000E00000-0x0000000000F4A000-memory.dmp