dridex | 46d5102a20fa61ff54c00d7a75bd10ee19901cee783ba9a1cee400e3ffcc17d9

Analysis

max time kernel
30s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 21:41

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General

Target
46d5102a20fa61ff54c00d7a75bd10ee19901cee783ba9a1cee400e3ffcc17d9.dll
Size 162KB
Sample210419-6krxcx8nes
SHA256 46d5102a20fa61ff54c00d7a75bd10ee19901cee783ba9a1cee400e3ffcc17d9
MD5 60c5575e3088c469363cccc84ca5474b
SHA1 50ff6a612853551cf6c72b6fb69cb8a7c6bf9ee2
SHA512 138c09ae51823e48029345ce6e99b6fb2c992e91c8a3c8262688bcdd9049fbd15aa5d7db47423ac60d57bd7b1fd3b2831a3cc543759013dd9018d84f7cb4c10c
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/1200-115-0x00000000736D0000-0x00000000736FE000-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 796 wrote to memory of 1200	796	rundll32.exe	69
PID 796 wrote to memory of 1200	796	rundll32.exe	69
PID 796 wrote to memory of 1200	796	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46d5102a20fa61ff54c00d7a75bd10ee19901cee783ba9a1cee400e3ffcc17d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\46d5102a20fa61ff54c00d7a75bd10ee19901cee783ba9a1cee400e3ffcc17d9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1200

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/1200-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1200-117-0x0000000003130000-0x0000000003136000-memory.dmp