dridex | 1a1739aa85a68f6c0fb9562b19976adf8642cfd37ddb6feacaf38de8ae75ac32

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
16/04/2021, 04:25

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General

Target
1a1739aa85a68f6c0fb9562b19976adf8642cfd37ddb6feacaf38de8ae75ac32.dll
Size 162KB
Sample210416-chwcrb7efx
SHA256 1a1739aa85a68f6c0fb9562b19976adf8642cfd37ddb6feacaf38de8ae75ac32
MD5 0b0421613fa5c4242675c8cb29ee5cc6
SHA1 c101c2890753674dd68790740e307a45b1d6f292
SHA512 2e924e5f59b6a245ae70c8ac915b93f4cbc566248ae2eca1da5636cd1f7c17d66ec9eb256a858e7baa892f76a3ec50df626b60c49a64daa839a92b0198c6a223
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/3324-115-0x0000000073860000-0x000000007388E000-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 4004 wrote to memory of 3324	4004	rundll32.exe	70
PID 4004 wrote to memory of 3324	4004	rundll32.exe	70
PID 4004 wrote to memory of 3324	4004	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a1739aa85a68f6c0fb9562b19976adf8642cfd37ddb6feacaf38de8ae75ac32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a1739aa85a68f6c0fb9562b19976adf8642cfd37ddb6feacaf38de8ae75ac32.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3324

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/3324-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/3324-117-0x0000000000C20000-0x0000000000C26000-memory.dmp