dridex | 6c5f8bc309f8f825844ecb1801aab4e2471adf95a35cdd3babfeb89327ec18d1

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 15:30

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General

Target
6c5f8bc309f8f825844ecb1801aab4e2471adf95a35cdd3babfeb89327ec18d1.dll
Size 162KB
Sample210418-dypmqch7vj
SHA256 6c5f8bc309f8f825844ecb1801aab4e2471adf95a35cdd3babfeb89327ec18d1
MD5 fe1568457b974b740fb6b2b0221483f7
SHA1 f6ff8d685de87600c89d60fa66a1524eddcccd37
SHA512 96afe8a7662ef5107239b4fa39ee40ebfe17895815f4e354fcb080d61ecc15552030b32770ae3c87b1aa6a6451a37ad4af6acd4e35d2f120733454b0773243e2
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/632-115-0x0000000074400000-0x000000007442E000-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 776 wrote to memory of 632	776	rundll32.exe	71
PID 776 wrote to memory of 632	776	rundll32.exe	71
PID 776 wrote to memory of 632	776	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c5f8bc309f8f825844ecb1801aab4e2471adf95a35cdd3babfeb89327ec18d1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c5f8bc309f8f825844ecb1801aab4e2471adf95a35cdd3babfeb89327ec18d1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:632

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/632-115-0x0000000074400000-0x000000007442E000-memory.dmp

Download

memory/632-117-0x0000000001110000-0x0000000001116000-memory.dmp