dridex | 7f9255556f1ce779ca5790d79f7fc00739ea113ad5bf8518b0809b36667799f3

Analysis

max time kernel
32s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 20:01

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General

Target
c6c408b9_by_Libranalysis.dll
Size 162KB
Sample210507-dc1c8kdnj2
SHA256 7f9255556f1ce779ca5790d79f7fc00739ea113ad5bf8518b0809b36667799f3
MD5 c6c408b94639ff8d4551f05003532543
SHA1 f9212f091e5dffb61092ef15fffd9d12eb299c87
SHA512 9ce35107795c1283a551abeae298525c29363c2103126b38a221887d99cd3846cc7588245a2cfcb17842e0a3c4f0cb8ba3ea20757ebd22230289af22cd0c3e00
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/4916-115-0x0000000073880000-0x00000000738AE000-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 4804 wrote to memory of 4916	4804	rundll32.exe	71
PID 4804 wrote to memory of 4916	4804	rundll32.exe	71
PID 4804 wrote to memory of 4916	4804	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6c408b9_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6c408b9_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4916

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/4916-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Download

memory/4916-117-0x0000000002DA0000-0x0000000002DA6000-memory.dmp