dridex | 54427db03215ea9a4bfcdf5cd74a932406cebea25c1989f27d31cf7778150a54

Analysis

max time kernel
49s
max time network
71s
platform
windows10_x64
resource
win10v20210408
submitted
17/05/2021, 01:01

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General

Target
5024abc4_by_Libranalysis.dll
Size 162KB
Sample210517-a9ncswm8a2
SHA256 54427db03215ea9a4bfcdf5cd74a932406cebea25c1989f27d31cf7778150a54
MD5 5024abc43f7a607422d2b246d269d49c
SHA1 3263ddcbf2fa736b6288ef4f27d798250ad586f1
SHA512 d5ad2994bc56da82311692b43d211b882b7fddb6cbc574ff92961b9a32cd3a7529fea62d04e36fefadf6fd992cd0cc5985283d20ab74b533599b8956fc1fc2df
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/3608-115-0x0000000073F20000-0x0000000073F4E000-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 4064 wrote to memory of 3608	4064	rundll32.exe	45
PID 4064 wrote to memory of 3608	4064	rundll32.exe	45
PID 4064 wrote to memory of 3608	4064	rundll32.exe	45

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5024abc4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5024abc4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3608

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/3608-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3608-117-0x00000000024E0000-0x00000000024E6000-memory.dmp