dridex | 77a6badf3fd1948bf4d0bcdaebce9d0847bc7691cf047cfcf1a20c9c3b03eaa0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 14:34

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General

Target
c39c3a39b50cfb5b7fba589fad2b4ad4.dll
Size 184KB
Sample240312-rxgfjsdb36
SHA256 77a6badf3fd1948bf4d0bcdaebce9d0847bc7691cf047cfcf1a20c9c3b03eaa0
MD5 c39c3a39b50cfb5b7fba589fad2b4ad4
SHA1 ef96b9536b159cadb87a08ebc38854a842bbfc50
SHA512 f1a89f2d8b611e0c6de15830b863d15a3a6032859488cf8c9f97738f6ad13aa7bba3168e9d8330fe6af2c66df0de60e21c02fe818187e606c3c82485fd1e6d20
SSDEEP 3072:lhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J/VQcY:l3fOeIv54W6SFKfc9me9v9/J/V
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664

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

resource	yara_rule
behavioral2/memory/4560-1-0x0000000075680000-0x00000000756B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	4560	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 4560	1100	rundll32.exe	87
PID 1100 wrote to memory of 4560	1100	rundll32.exe	87
PID 1100 wrote to memory of 4560	1100	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c39c3a39b50cfb5b7fba589fad2b4ad4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c39c3a39b50cfb5b7fba589fad2b4ad4.dll,#1
  2⤵
  PID:4560
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 668
    3⤵
    - Program crash
    PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 4560
1⤵
PID:4700

Network

MITRE ATT&CK Matrix

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Downloads

memory/4560-0-0x0000000001190000-0x0000000001196000-memory.dmp

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memory/4560-1-0x0000000075680000-0x00000000756B0000-memory.dmp

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memory/4560-3-0x0000000001190000-0x0000000001196000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads