dridex | 328fa96bb7ee45b376a2cfe808df4420f62a400aaad2dc86f97f252d93758f75

Analysis

max time kernel
75s
max time network
81s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 18:07

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General

Target
328fa96bb7ee45b376a2cfe808df4420f62a400aaad2dc86f97f252d93758f75.dll
Size 208KB
Sample210317-c19sxk9era
SHA256 328fa96bb7ee45b376a2cfe808df4420f62a400aaad2dc86f97f252d93758f75
MD5 170c167d9e7de7cc9c596bcf22d0a1ff
SHA1 e93e55d94f3f678d2f12a967f02e20991d71e821
SHA512 70dd62b2c59f80c09391b9d3fa753c9e1ce97e92df761fd6ec31a6a72ea58fd75ff6c468054d367a897c2fa590c802b1af048d19dd192ccd3613503b4ab345d3
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/884-4-0x0000000075110000-0x0000000075146000-memory.dmp	dridex_ldr
behavioral1/memory/884-6-0x0000000075110000-0x0000000075131000-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 7 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\328fa96bb7ee45b376a2cfe808df4420f62a400aaad2dc86f97f252d93758f75.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\328fa96bb7ee45b376a2cfe808df4420f62a400aaad2dc86f97f252d93758f75.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:884

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

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Downloads

memory/884-3-0x0000000076451000-0x0000000076453000-memory.dmp

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memory/884-4-0x0000000075110000-0x0000000075146000-memory.dmp

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memory/884-5-0x0000000000180000-0x0000000000186000-memory.dmp

Download

memory/884-6-0x0000000075110000-0x0000000075131000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads