dridex | ca7b9f546c85a790246609aad6de0e9c9371705d04f28aef45c80c1f277751d7

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:58

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General

Target

38e865fa67695596b06a96059233b9bc.dll
Size

188KB
MD5

38e865fa67695596b06a96059233b9bc
SHA1

f43bec72c019f06f44396055a45273d67af4ee8b
SHA256

ca7b9f546c85a790246609aad6de0e9c9371705d04f28aef45c80c1f277751d7
SHA512

799398c934747b7d52f55c854ecfd802861fa23abc71dd120bc5b9cb89feace93b920e73d5136d71f2e6e4ef384a19d203781ee82379e1571d62b96351cf35eb
SSDEEP

3072:rH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWJ7dU:rUua/Pv7YNhRIEZDeXVpAxtMsxK

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/4872-0-0x0000000075320000-0x0000000075350000-memory.dmp	dridex_ldr
behavioral2/memory/4872-2-0x0000000075320000-0x0000000075350000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3160	4872	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4872	448	rundll32.exe	87
PID 448 wrote to memory of 4872	448	rundll32.exe	87
PID 448 wrote to memory of 4872	448	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38e865fa67695596b06a96059233b9bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38e865fa67695596b06a96059233b9bc.dll,#1
  2⤵
  PID:4872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 688
    3⤵
    - Program crash
    PID:3160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4872 -ip 4872
1⤵
PID:3528

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4872-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/4872-0-0x0000000075320000-0x0000000075350000-memory.dmp

Filesize
192KB

Download
memory/4872-2-0x0000000075320000-0x0000000075350000-memory.dmp

Filesize
192KB

Download