dridex | 51db437a7688d267d527baf33edd433b1f3eb65209f8fd309b19604d00bb45d4

Analysis

max time kernel
126s
max time network
127s
platform
windows10_x64
resource
win10v20210410
submitted
13/05/2021, 09:06

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General

Target
337ab98b_by_Libranalysis.dll
Size 162KB
Sample210513-x99bcv3bg2
SHA256 51db437a7688d267d527baf33edd433b1f3eb65209f8fd309b19604d00bb45d4
MD5 337ab98b668e437d3634f934f8d614ba
SHA1 b358723d6ee140c6fcee4572432bda709375f6f7
SHA512 180c167ed1dd4a97b38ac01fd6dd368ba7d19838cc37980332c4081fd62267363afc4303db7cf663a3bdfea1267f56319cc0057b766d85e4e7d8615f610fb1d4
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/3220-115-0x00000000736D0000-0x00000000736FE000-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 1892 wrote to memory of 3220	1892	rundll32.exe	70
PID 1892 wrote to memory of 3220	1892	rundll32.exe	70
PID 1892 wrote to memory of 3220	1892	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\337ab98b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\337ab98b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3220

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/3220-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/3220-117-0x0000000000990000-0x0000000000996000-memory.dmp