dridex | 87d4188f39fedd47a96b5606e424a97933081c39da450656e8a74aa21f4d301e

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 02:33

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General

Target

87d4188f39fedd47a96b5606e424a97933081c39da450656e8a74aa21f4d301e.dll
Size

158KB
MD5

0e9caaa43ff7dbe42ce2ce616bbfb954
SHA1

883b8b14424b419b8c7700eecb2682003fa9e605
SHA256

87d4188f39fedd47a96b5606e424a97933081c39da450656e8a74aa21f4d301e
SHA512

571ea86af0ebfd62a6ea64c2485553b340de438f3b8b80c11a1772347aa4313e6a4fb4819f2506b4fab5c8b1decfdc07d975f96e469a4bd02bc94b0bbe1f73f8

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

Processes:

resource	yara_rule
behavioral1/memory/3912-115-0x0000000074390000-0x00000000743BD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 568 wrote to memory of 3912	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 3912	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 3912	568	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87d4188f39fedd47a96b5606e424a97933081c39da450656e8a74aa21f4d301e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87d4188f39fedd47a96b5606e424a97933081c39da450656e8a74aa21f4d301e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3912

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/3912-114-0x0000000000000000-mapping.dmp

Download
memory/3912-115-0x0000000074390000-0x00000000743BD000-memory.dmp

Filesize
180KB

Download
memory/3912-117-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download