dridex | a11bf5db5d88579f37253a8949e6d9b25889cdef228ea1818dd34a5e2215d0e8

Analysis

max time kernel
27s
max time network
68s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 07:26

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General

Target

a11bf5db5d88579f37253a8949e6d9b25889cdef228ea1818dd34a5e2215d0e8.dll
Size

158KB
MD5

01b2896652f3a81b1cb8d7b185728872
SHA1

916781efec64bee0095358b914a7add4b0e1d278
SHA256

a11bf5db5d88579f37253a8949e6d9b25889cdef228ea1818dd34a5e2215d0e8
SHA512

6a08ff7bb80844628a6e970d2f8d6d029e12c49aa61b0d961ac57dfe92f5eb543139fd75e93c8c9924a46337be7cbcaf3b9eefe9d89439facad94879a6ca53ae

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/1028-115-0x00000000735F0000-0x000000007361D000-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 528 wrote to memory of 1028	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1028	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1028	528	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a11bf5db5d88579f37253a8949e6d9b25889cdef228ea1818dd34a5e2215d0e8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a11bf5db5d88579f37253a8949e6d9b25889cdef228ea1818dd34a5e2215d0e8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1028

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/1028-114-0x0000000000000000-mapping.dmp

Download
memory/1028-115-0x00000000735F0000-0x000000007361D000-memory.dmp

Filesize
180KB

Download
memory/1028-117-0x00000000023F0000-0x00000000023F6000-memory.dmp

Filesize
24KB

Download