dridex | ef9db71ae7a62d2e23761ab6a9409a934bff3a4e9268a01c5f9e76f3dd1f0e50

Analysis

max time kernel
31s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 12:02

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General

Target
d8b77647_by_Libranalysis.dll
Size 162KB
Sample210503-k54m4n3fd6
SHA256 ef9db71ae7a62d2e23761ab6a9409a934bff3a4e9268a01c5f9e76f3dd1f0e50
MD5 d8b77647b2611ba4ee737e5814faa936
SHA1 8bcc03112d64c682216261a001ed05160460d464
SHA512 b60bed383d7e4215506713799bc724055ade6f720c44f00ed3494ae50b2b7ea9149a15da86982b4b4da685767c6299c4cfea34b2de94fd7251df1af8c31bf68f
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/780-115-0x0000000073890000-0x00000000738BE000-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 2840 wrote to memory of 780	2840	rundll32.exe	70
PID 2840 wrote to memory of 780	2840	rundll32.exe	70
PID 2840 wrote to memory of 780	2840	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b77647_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b77647_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:780

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/780-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Download

memory/780-117-0x0000000002FA0000-0x0000000002FA6000-memory.dmp