dridex | c991867c6bc9b3aa850afb7caa8121e31ee12047db3a3c690c7bf1959092a521

Analysis

max time kernel
135s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
20/04/2021, 23:41

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General

Target
c991867c6bc9b3aa850afb7caa8121e31ee12047db3a3c690c7bf1959092a521.dll
Size 162KB
Sample210420-th4nrr37aa
SHA256 c991867c6bc9b3aa850afb7caa8121e31ee12047db3a3c690c7bf1959092a521
MD5 05fff26cec87dd9e582eba3863aac1bf
SHA1 25518a6e3400d5ca7868a1ec14fbb4867f451781
SHA512 f859d3da3a7db48bc39eddbb9daa2d479f50f04d07f6e261ffeba04f0997610b57c2de14888f8d8a3acba975920680ff1bd90a6136e22fb0761ed62d9b9b6fe8
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/1388-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 1388	644	rundll32.exe	70
PID 644 wrote to memory of 1388	644	rundll32.exe	70
PID 644 wrote to memory of 1388	644	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c991867c6bc9b3aa850afb7caa8121e31ee12047db3a3c690c7bf1959092a521.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c991867c6bc9b3aa850afb7caa8121e31ee12047db3a3c690c7bf1959092a521.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1388

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/1388-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/1388-117-0x00000000005C0000-0x00000000005C6000-memory.dmp