dridex | e39b8a469dbe57f0200f1935afa31761ed6b36a07b80859da37364769f2e35f8

Analysis

max time kernel
36s
max time network
46s
platform
windows10_x64
resource
win10v20210408
submitted
20/05/2021, 17:14

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General

Target
ca91dd13_by_Libranalysis.dll
Size 162KB
Sample210520-hf48drzphe
SHA256 e39b8a469dbe57f0200f1935afa31761ed6b36a07b80859da37364769f2e35f8
MD5 ca91dd13a59efd8715b97dbfa4c62de3
SHA1 db47542a5f96adce9b7a7d0f241d19c9174adbe7
SHA512 008c4afa274649f794ce842cf0978454eaf754d1c7d70b776c81e74353697327c366f0fefc7df9e7437c2e3de9318976848c40c149e32ce27164175695fa33aa
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/1912-115-0x0000000073530000-0x000000007355E000-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 4024 wrote to memory of 1912	4024	rundll32.exe	68
PID 4024 wrote to memory of 1912	4024	rundll32.exe	68
PID 4024 wrote to memory of 1912	4024	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca91dd13_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca91dd13_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1912

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/1912-115-0x0000000073530000-0x000000007355E000-memory.dmp

Download

memory/1912-117-0x0000000003460000-0x0000000003466000-memory.dmp