dridex | bbdcc28b7791686c2a3d2bf64badb63d175e6503f7a32080de141b6f7f092ae3

Analysis

max time kernel
138s
max time network
142s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 15:12

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General

Target
fc6820ab_by_Libranalysis.dll
Size 162KB
Sample210509-m7dwjy48vs
SHA256 bbdcc28b7791686c2a3d2bf64badb63d175e6503f7a32080de141b6f7f092ae3
MD5 fc6820abbf49ec3c40877467bfe2dbcf
SHA1 b0d01c6d1bf908bf669103419232951d1ce9cbd6
SHA512 c7a39dd49a0354c676275ee9f7dfba3c48f67222b232e0b2a60676da0432529038bde8e02d159c12b972d1a158d33ec61cdc83d05aa74143f5f3b1aee17d1664
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/1240-115-0x0000000074350000-0x000000007437E000-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 740 wrote to memory of 1240	740	rundll32.exe	70
PID 740 wrote to memory of 1240	740	rundll32.exe	70
PID 740 wrote to memory of 1240	740	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc6820ab_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc6820ab_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1240

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/1240-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/1240-117-0x0000000002C50000-0x0000000002C56000-memory.dmp