dridex | dd5edd790776b193950294f8895969fde29014a70619ae416e3c82ca37417fc6

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 11:05

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General

Target

dd5edd790776b193950294f8895969fde29014a70619ae416e3c82ca37417fc6.dll
Size

158KB
MD5

9e294b96074d1e553c52b4f610431a11
SHA1

6a01e4db385ae88a16836a73587247db65d99c0a
SHA256

dd5edd790776b193950294f8895969fde29014a70619ae416e3c82ca37417fc6
SHA512

d9a271e71056153bdf5657f63702eb33062bef679365a005e1a00a4617b0da81ef268d1d9816d57a6e2f3e3b006f2372e73a21ea9bfe71f12b806912b5cdb200

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/4024-115-0x00000000755E0000-0x000000007560D000-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 4064 wrote to memory of 4024	4064	rundll32.exe	rundll32.exe
PID 4064 wrote to memory of 4024	4064	rundll32.exe	rundll32.exe
PID 4064 wrote to memory of 4024	4064	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd5edd790776b193950294f8895969fde29014a70619ae416e3c82ca37417fc6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd5edd790776b193950294f8895969fde29014a70619ae416e3c82ca37417fc6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4024

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/4024-114-0x0000000000000000-mapping.dmp

Download
memory/4024-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/4024-117-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download