dridex | e2fbe9faf6c8cdb37386a13450d15e14e56605a8a234e5fcd9ac3804e45d4523

Analysis

max time kernel
31s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 06:05

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General

Target
bef1f6fa_by_Libranalysis.dll
Size 162KB
Sample210503-2e4wtygtv6
SHA256 e2fbe9faf6c8cdb37386a13450d15e14e56605a8a234e5fcd9ac3804e45d4523
MD5 bef1f6fa3a32b2ea62a8ca33ae36efc3
SHA1 cf970c9e423cae3e1b4154ce0ad2f8736edf652a
SHA512 d3b8ed53eb9ab1270136fa73039bae9a33d8159d9d579bdd28ef14f01de51fad5d332301978d97e942576c668d63860973bf0aaba0bbba1f4e6fd1cf3a17e594
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/1324-115-0x00000000736D0000-0x00000000736FE000-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 1324	796	rundll32.exe	71
PID 796 wrote to memory of 1324	796	rundll32.exe	71
PID 796 wrote to memory of 1324	796	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bef1f6fa_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bef1f6fa_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1324

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/1324-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1324-117-0x0000000000CB0000-0x0000000000CB6000-memory.dmp