dridex | 700acff6b8a3f98599b37dc666e9cdbdb71b5c32b13c8e484bbf7983e14639d6

Analysis

max time kernel
118s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 14:06

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General

Target
9828502d_by_Libranalysis.dll
Size 158KB
Sample210505-e2a2bad63n
SHA256 700acff6b8a3f98599b37dc666e9cdbdb71b5c32b13c8e484bbf7983e14639d6
MD5 9828502d6b277860b507d1e55b21f4ef
SHA1 7e202d0e8114429101ff7274709455aee214ad1e
SHA512 428fe467b1b83cc03ec7182808a2f908ae79ed5c1b2e8feda002ff2481ffb2ecae7ee8df3e514cbdcc20ebb4478b15d63920d33d1d254317818f485692983546
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/2100-115-0x0000000073B80000-0x0000000073BAD000-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 3984 wrote to memory of 2100	3984	rundll32.exe	69
PID 3984 wrote to memory of 2100	3984	rundll32.exe	69
PID 3984 wrote to memory of 2100	3984	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9828502d_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9828502d_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2100

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/2100-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp

Download

memory/2100-117-0x0000000002E40000-0x0000000002E46000-memory.dmp