dridex | 365032ab06ae3ad6e22fab6d8e4b0fdb46c5199a62498222e5fa8d596d8e5809

Analysis

max time kernel
33s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 16:04

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General

Target
8419135e_by_Libranalysis.dll
Size 162KB
Sample210505-pf2yt764fj
SHA256 365032ab06ae3ad6e22fab6d8e4b0fdb46c5199a62498222e5fa8d596d8e5809
MD5 8419135ec27bf5e7577770cf393f60bd
SHA1 03361e8588bee8fbd746fa72fa7722092d0f75f2
SHA512 13e1d0d9e506574ea4b8dd41cdc9e39ef594ca92b1f7975359524932397d52088942a279977c2918f9a82ada9ac7f586dd4d7e59f41488121c2aa7ad40441729
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/760-115-0x0000000073F20000-0x0000000073F4E000-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 4044 wrote to memory of 760	4044	rundll32.exe	71
PID 4044 wrote to memory of 760	4044	rundll32.exe	71
PID 4044 wrote to memory of 760	4044	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8419135e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8419135e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:760

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/760-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/760-117-0x0000000002EC0000-0x0000000002EC6000-memory.dmp