dridex | eb3afb5aa4723eea45e35689a926121a5da4742e338812b4ab2a776f6b6c100d

Analysis

max time kernel
28s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 08:05

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General

Target
61d6b39e_by_Libranalysis.dll
Size 162KB
Sample210430-2xmnzrd42e
SHA256 eb3afb5aa4723eea45e35689a926121a5da4742e338812b4ab2a776f6b6c100d
MD5 61d6b39ecc530d9ddb1f25d00cd28e42
SHA1 af7844d37a9f5854c428405da847b84b7e34793e
SHA512 6a5aff19ddaf6d867ba7a3da1c602475e6f5e189d40a903da9e3f445b0ee65e50cdf9cc9277aa51c5362f2e287ecb3662f0576d8e7ac1c33363afe2a09af53a6
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/3156-115-0x0000000074380000-0x00000000743AE000-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 3856 wrote to memory of 3156	3856	rundll32.exe	69
PID 3856 wrote to memory of 3156	3856	rundll32.exe	69
PID 3856 wrote to memory of 3156	3856	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61d6b39e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61d6b39e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3156

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/3156-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3156-117-0x00000000003E0000-0x00000000003E6000-memory.dmp