dridex | 44f98e8560d859481b9ba83bbabdd69386cf3ba3ffc7dd9f33e2c95eac822cf9

Analysis

max time kernel
128s
max time network
130s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 08:06

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General

Target
e27ec1dd_by_Libranalysis.dll
Size 162KB
Sample210430-nw9e45lycx
SHA256 44f98e8560d859481b9ba83bbabdd69386cf3ba3ffc7dd9f33e2c95eac822cf9
MD5 e27ec1ddb19caf1b17873a8541b1e52c
SHA1 fc3d5be0113044b28b3ca8484b9d9f7edc1c0b6f
SHA512 8ace291d4fe5434beeba56cbd89b5d9c0f41a2737d9ccc494db61ce3392a7a2b6eff937094cabbb7ba0168a3f6e038054a13b4b9515300cbf3889faafde6df92
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/4708-115-0x0000000073C30000-0x0000000073C5E000-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 4660 wrote to memory of 4708	4660	rundll32.exe	69
PID 4660 wrote to memory of 4708	4660	rundll32.exe	69
PID 4660 wrote to memory of 4708	4660	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e27ec1dd_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e27ec1dd_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4708

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/4708-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Download

memory/4708-117-0x0000000002FE0000-0x0000000002FE6000-memory.dmp