dridex | 384f39cbfe48b8ed09a99991a54813f655d4f843bdf747f0f0f25be046f6f05d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 23:19

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General

Target

da74dc43e96e6ad25e62e2f22dca2280N.dll
Size

184KB
MD5

da74dc43e96e6ad25e62e2f22dca2280
SHA1

faa7554953fda79229ed618aaa2afd107e64fe9b
SHA256

384f39cbfe48b8ed09a99991a54813f655d4f843bdf747f0f0f25be046f6f05d
SHA512

86ead738da523637a0dfba9693fc332d101b962380cbcc47be408adc8414deb2e4656c7654c6c1fe5722f0de84ba3383ba002406af36b7431432d101bfe33ef1
SSDEEP

3072:XgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdg9dA4l:SPFkq6zOe5ilSanOad

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2932-0-0x0000000075260000-0x0000000075290000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2840	2932	WerFault.exe	30

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2856 wrote to memory of 2932	2856	rundll32.exe	30
PID 2932 wrote to memory of 2840	2932	rundll32.exe	31
PID 2932 wrote to memory of 2840	2932	rundll32.exe	31
PID 2932 wrote to memory of 2840	2932	rundll32.exe	31
PID 2932 wrote to memory of 2840	2932	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da74dc43e96e6ad25e62e2f22dca2280N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\da74dc43e96e6ad25e62e2f22dca2280N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 220
    3⤵
    - Program crash
    PID:2840

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

Replay Monitor

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Downloads

memory/2932-0-0x0000000075260000-0x0000000075290000-memory.dmp

Filesize
192KB

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memory/2932-1-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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