dridex | 80d0b431c2f7f1b4e9609da1747e961bf6046719f8c1a3771e83acacdbd6a10b

Analysis

max time kernel
37s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
28/04/2021, 02:01

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General

Target
6c344aa9_by_Libranalysis.dll
Size 162KB
Sample210428-mktwymfwx2
SHA256 80d0b431c2f7f1b4e9609da1747e961bf6046719f8c1a3771e83acacdbd6a10b
MD5 6c344aa9e4997f77f34f97c3dce119e9
SHA1 099de0fb09634e9b11b336d2e15e5024d3ae7e06
SHA512 d7f03667e6144e539f2c3af65e040cdfa8ef368aa7ef3feba60f9674967d56fb56591598e4eba0429390ffab8f24d8e0704440d443ed450c171c69aa6662ee0d
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/1040-115-0x00000000736D0000-0x00000000736FE000-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 796 wrote to memory of 1040	796	rundll32.exe	68
PID 796 wrote to memory of 1040	796	rundll32.exe	68
PID 796 wrote to memory of 1040	796	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c344aa9_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c344aa9_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1040

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/1040-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1040-117-0x00000000005E0000-0x00000000005E6000-memory.dmp