dridex | 61b7d155e5eba6303a2e764e129f40c74fcbf7524dd6db07f183846d7225d7bc

Analysis

max time kernel
120s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
10/05/2021, 23:02

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General

Target
5acb32b8_by_Libranalysis.dll
Size 162KB
Sample210510-75z2lanj6e
SHA256 61b7d155e5eba6303a2e764e129f40c74fcbf7524dd6db07f183846d7225d7bc
MD5 5acb32b81f439092c2bc5affaae33808
SHA1 5bd0c98a484aeb066890c87d0868093f8914c392
SHA512 71d86d68728660ecca4bfb5c7818a8fb583c6aa1a358c5dbb27e45937d55d9ae6127d907a4df58abe26f4437f2a10f8563f94e256ea9470230ec8af999909678
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/3024-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 3024	3680	rundll32.exe	61
PID 3680 wrote to memory of 3024	3680	rundll32.exe	61
PID 3680 wrote to memory of 3024	3680	rundll32.exe	61

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5acb32b8_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5acb32b8_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3024

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/3024-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/3024-117-0x00000000010E0000-0x000000000122A000-memory.dmp