dridex | 23834d2ed7850d50fc3e8d0c145a2869e750233b79a6d6261cdc96d63f6f1f26

Analysis

max time kernel
107s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 09:02

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General

Target
1caad9c2_by_Libranalysis.dll
Size 162KB
Sample210508-h5rvpy63vx
SHA256 23834d2ed7850d50fc3e8d0c145a2869e750233b79a6d6261cdc96d63f6f1f26
MD5 1caad9c2b4b319fadf9649213b5c5f88
SHA1 9168ca2c45a96bd5c00926d951862686ae1f49ad
SHA512 1127366f49479d7ea52be62abe4a7d28d668f9d68a8b9c0ec2bc040a003781fb980d57c610b49f6d01019318e44f44f5a051eaddedd1f419e91928b0b8a362bc
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/4068-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 4068	4024	rundll32.exe	69
PID 4024 wrote to memory of 4068	4024	rundll32.exe	69
PID 4024 wrote to memory of 4068	4024	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1caad9c2_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1caad9c2_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4068

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/4068-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Download

memory/4068-117-0x00000000001D0000-0x00000000001D6000-memory.dmp