dridex | 71c27094525f8bd59bbba44948edfeae2a70bbac1e8844ed62e8b3454f0c4e3a

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
12/05/2021, 14:04

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General

Target
619623fb_by_Libranalysis.dll
Size 162KB
Sample210512-hseqfp3vxs
SHA256 71c27094525f8bd59bbba44948edfeae2a70bbac1e8844ed62e8b3454f0c4e3a
MD5 619623fb31a07d422788da1a12758d86
SHA1 13b7f5246645ea7a0bee31318b1af656900b5693
SHA512 ee60f236d546c6cd7cbac6d4b2c60d7cb2546dc2e6e4e53112f26382b78f0f11f490ac9e8c6547f3dc5a5a5e5d9c29b2a9c74116e051e889c286217cd5f57d01
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 1744 wrote to memory of 1880	1744	rundll32.exe	47
PID 1744 wrote to memory of 1880	1744	rundll32.exe	47
PID 1744 wrote to memory of 1880	1744	rundll32.exe	47

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\619623fb_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\619623fb_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/1880-117-0x0000000000CC0000-0x0000000000CC6000-memory.dmp