dridex | 47588c0b95ea22869acdc54ccfe62e06952fcf39e01ad73d4e7bce5af6ae51d4

Analysis

max time kernel
137s
max time network
137s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 14:39

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General

Target
47588c0b95ea22869acdc54ccfe62e06952fcf39e01ad73d4e7bce5af6ae51d4.dll
Size 162KB
Sample210417-ryg97vxktn
SHA256 47588c0b95ea22869acdc54ccfe62e06952fcf39e01ad73d4e7bce5af6ae51d4
MD5 2b4d091220072e19fa52029194c7662f
SHA1 1694b5788bcf64dc8af41c9e701bb92c15b85629
SHA512 048b15453b482c13ac6e0a861c7371e593e4a6ad1ea82a49b07aeca93f5010aeb05ad23f894d9d3fbaadabedaebdb09fcc5dfa591cc8ffbc9b2c70aa7e34a8ce
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/3592-115-0x00000000736D0000-0x00000000736FE000-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 3172 wrote to memory of 3592	3172	rundll32.exe	69
PID 3172 wrote to memory of 3592	3172	rundll32.exe	69
PID 3172 wrote to memory of 3592	3172	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\47588c0b95ea22869acdc54ccfe62e06952fcf39e01ad73d4e7bce5af6ae51d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\47588c0b95ea22869acdc54ccfe62e06952fcf39e01ad73d4e7bce5af6ae51d4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3592

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/3592-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/3592-117-0x00000000030D0000-0x00000000030D6000-memory.dmp