dridex | edfc4277a31d896ac16704837c42565c7ac3ecba9cde2a470334b7de2dd59de0

Analysis

max time kernel
50s
max time network
117s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 17:05

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General

Target
774a99b7_by_Libranalysis.dll
Size 162KB
Sample210505-ttfc8959sx
SHA256 edfc4277a31d896ac16704837c42565c7ac3ecba9cde2a470334b7de2dd59de0
MD5 774a99b79084468fe7d8f17398787f88
SHA1 08914200d5e1c4b973f46b49938600010be51c59
SHA512 f810b51ef5d100cc1fb3a81cb6b1333fb875354bed37ae9e0fcc8baa3e2bb1c9014b0eb605539672bcaea61a9382c7f2cd549928fc5eee7da5f5c538cc0974ae
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/1820-115-0x0000000073F50000-0x0000000073F7E000-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 1032 wrote to memory of 1820	1032	rundll32.exe	70
PID 1032 wrote to memory of 1820	1032	rundll32.exe	70
PID 1032 wrote to memory of 1820	1032	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\774a99b7_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\774a99b7_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1820

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/1820-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Download

memory/1820-117-0x0000000000CF0000-0x0000000000CF6000-memory.dmp