dridex | bee7050122d0f8521a11ee7f2e63c70007b217b7558a49629f7a6450a447b74a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 20:24

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General

Target

5_WfHC.dll
Size

180KB
MD5

172e33cda92623f3f9b3213954f52e9e
SHA1

05f886e3a9d32eb725dc4f3128c62a0165bc0506
SHA256

0d9a0d05c7ba4ae81904e64f66235e032ded422aa95de11b8a9691123f911885
SHA512

6020c33d350c062440ceb9f58bfcece422d71f9f1e36dc155c05f20df752a2a7158d5e62d66eb0f857fb2fc968cd1ed25a3f91b7de0bb4615f15af3ba5c0668e
SSDEEP

3072:vqzhtjVkooePHOHX9s/4R1ltAeSKt84r5AMUpbSeS:yuopPu3q/4FCur5AMC2e

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

178.62.205.130:443

45.90.108.123:13786

198.199.98.78:9217

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral4/memory/2084-1-0x0000000074940000-0x000000007496F000-memory.dmp	dridex_ldr
behavioral4/memory/2084-2-0x0000000074940000-0x000000007496F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1148	2084	WerFault.exe	83

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 4504 wrote to memory of 2084	4504	rundll32.exe	83
PID 4504 wrote to memory of 2084	4504	rundll32.exe	83
PID 4504 wrote to memory of 2084	4504	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_WfHC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_WfHC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 620
    3⤵
    - Program crash
    PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2084 -ip 2084
1⤵
PID:4712

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/2084-0-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

Download
memory/2084-1-0x0000000074940000-0x000000007496F000-memory.dmp

Filesize
188KB

Download
memory/2084-2-0x0000000074940000-0x000000007496F000-memory.dmp

Filesize
188KB

Download
memory/2084-3-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

Download