dridex | 6e51f9a0d68d559ad556777e48b41db597a4da5cfa57f1a907bbcd19ebe0a4b3

Analysis

max time kernel
88s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 22:47

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General

Target

f8ff1e1760041cfcc2516d2d9729eec0N.dll
Size

210KB
MD5

f8ff1e1760041cfcc2516d2d9729eec0
SHA1

c025c58fc498f984d8053c5718737037c8b9b0a9
SHA256

6e51f9a0d68d559ad556777e48b41db597a4da5cfa57f1a907bbcd19ebe0a4b3
SHA512

53cb12adf4651589aaf6420895abcf9de2502a42151c50dd0acfa78b09e1132cc98246bb4d74a5383fa48a68b5751f00a5501c0184b7bca4faf57668f081b8e0
SSDEEP

3072:s9Yhg1i//ox+rmBceAOHUZDO6haenOpqQJUKSJ9WNAX:s9Y21i/zGmsMm1vSDWN0

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

77.220.64.137:443

66.228.134.180:6601

199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1920-1-0x0000000074E10000-0x0000000074E46000-memory.dmp	dridex_ldr
behavioral2/memory/1920-4-0x0000000074E10000-0x0000000074E46000-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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1920	2320	rundll32.exe	86
PID 2320 wrote to memory of 1920	2320	rundll32.exe	86
PID 2320 wrote to memory of 1920	2320	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8ff1e1760041cfcc2516d2d9729eec0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8ff1e1760041cfcc2516d2d9729eec0N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1920-0-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/1920-1-0x0000000074E10000-0x0000000074E46000-memory.dmp

Filesize
216KB

Download
memory/1920-3-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/1920-4-0x0000000074E10000-0x0000000074E46000-memory.dmp

Filesize
216KB

Download