dridex | 306dadae4b42cc8d5b2ac82503fddb3a2df0e6ec757d0a94cbc43b94a45b4469

Analysis

max time kernel
103s
max time network
105s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 10:02

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General

Target
8d4b66c6_by_Libranalysis.dll
Size 162KB
Sample210430-bsry13jt6s
SHA256 306dadae4b42cc8d5b2ac82503fddb3a2df0e6ec757d0a94cbc43b94a45b4469
MD5 8d4b66c6d1560004359d355b6207b69e
SHA1 795671ac704344f80b14732cef89d338f6006144
SHA512 8eefe9ff27dd3e365bef903c0845691325768880da319614acafd94924eac8440eb7b4f32f1cca4b3fc4ee6dfc166a1721580847139551267447435c97cbb6d4
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/1276-115-0x0000000074350000-0x000000007437E000-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 740 wrote to memory of 1276	740	rundll32.exe	71
PID 740 wrote to memory of 1276	740	rundll32.exe	71
PID 740 wrote to memory of 1276	740	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d4b66c6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d4b66c6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1276

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/1276-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/1276-117-0x0000000000CD0000-0x0000000000CD6000-memory.dmp