dridex | 9a3e0d33b6233b94be25193e3e7f61f2e5ea596ca1ccd0be81aa9cd413d650bf

Analysis

max time kernel
23s
max time network
117s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 13:03

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General

Target
bc844c62_by_Libranalysis.dll
Size 162KB
Sample210503-1yz8yyz8vx
SHA256 9a3e0d33b6233b94be25193e3e7f61f2e5ea596ca1ccd0be81aa9cd413d650bf
MD5 bc844c62b1425b9086c51d54f0823b30
SHA1 fe6011fc8704042ee8a0ba2959661e8cfb258ae4
SHA512 14b7a34d67505e686e3e33c84b94ccd873266bc6db8d609ac9143e0fce0628a4cf309413b5f410db97c0340fd85326b131f8c225443d67b7516bdd14511fa065
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/1880-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 1880	3904	rundll32.exe	51
PID 3904 wrote to memory of 1880	3904	rundll32.exe	51
PID 3904 wrote to memory of 1880	3904	rundll32.exe	51

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc844c62_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc844c62_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1880

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/1880-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/1880-117-0x0000000002770000-0x0000000002776000-memory.dmp