dridex | d8b5681f9252a091f9aac855d058af72a8d748b0c62ca9daddc8a66703603db0

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 08:58

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General

Target
9d58004c_by_Libranalysis.dll
Size 162KB
Sample210429-81c4nylxhx
SHA256 d8b5681f9252a091f9aac855d058af72a8d748b0c62ca9daddc8a66703603db0
MD5 9d58004c26cfce3841a97d111cb5fd8b
SHA1 d644bab564c986913d5e66583bfa794bb17ebc5b
SHA512 abda10fa10c85679ba04900814f1cb762b94593449186a724d2b9b1eb648de5bbee4915fe6a638afb57cbd8260de9bbf055237fbe2a1e2ede0f34200c9895194
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/4484-115-0x0000000073820000-0x000000007384E000-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 4444 wrote to memory of 4484	4444	rundll32.exe	69
PID 4444 wrote to memory of 4484	4444	rundll32.exe	69
PID 4444 wrote to memory of 4484	4444	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d58004c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d58004c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4484

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/4484-115-0x0000000073820000-0x000000007384E000-memory.dmp

Download

memory/4484-117-0x00000000004F0000-0x00000000004F6000-memory.dmp