dridex | 7d2b1ee37369d56b48e0880ac86367643fecb8a06cfaea1d0543cd150a4b8c7b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:30

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General

Target

7d2b1ee37369d56b48e0880ac86367643fecb8a06cfaea1d0543cd150a4b8c7b.dll
Size

184KB
MD5

70400c6c83648925d49f854dca316edf
SHA1

6c6ad3ba736f9f45591b53b49a741addc3128493
SHA256

7d2b1ee37369d56b48e0880ac86367643fecb8a06cfaea1d0543cd150a4b8c7b
SHA512

94066975c110d00cff61685a5fb50a8d32cfbed46b8239ed526c3adc941ba99b726a583d842fd42baea7407f83980496ff01744401f461a1f6cbf792217ef84f
SSDEEP

3072:7uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KQlmsb:57TXYsd9SkONU1jKGlrlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2308-1-0x00000000748A0000-0x00000000748D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	2308	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2024 wrote to memory of 2308	2024	rundll32.exe	31
PID 2308 wrote to memory of 2480	2308	rundll32.exe	32
PID 2308 wrote to memory of 2480	2308	rundll32.exe	32
PID 2308 wrote to memory of 2480	2308	rundll32.exe	32
PID 2308 wrote to memory of 2480	2308	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d2b1ee37369d56b48e0880ac86367643fecb8a06cfaea1d0543cd150a4b8c7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d2b1ee37369d56b48e0880ac86367643fecb8a06cfaea1d0543cd150a4b8c7b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 220
    3⤵
    - Program crash
    PID:2480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2308-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2308-1-0x00000000748A0000-0x00000000748D0000-memory.dmp

Filesize
192KB

Download
memory/2308-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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