dridex | c88a579915a17a07ddbce39b349d10f0458224bb11d779f347837f47f3c9493f

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 04:41

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General

Target

d5391eb30d4fb667b2120cce22f2a4b2.dll
Size

188KB
MD5

d5391eb30d4fb667b2120cce22f2a4b2
SHA1

af9b7f97d62a1bd461a39f5e8ad95151fcb0ff05
SHA256

c88a579915a17a07ddbce39b349d10f0458224bb11d779f347837f47f3c9493f
SHA512

e4a78818e3fd4bdb790c830015907e923c3c815e763f3f4779094730559ad774aee52b8612a752e5527e7ed592a27c0c4e801258e37f6ead7c40502808b19616
SSDEEP

3072:CH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWZ7dU:CUua/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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3440-0-0x00000000751E0000-0x0000000075210000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4624	3440	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 3440	4984	rundll32.exe	88
PID 4984 wrote to memory of 3440	4984	rundll32.exe	88
PID 4984 wrote to memory of 3440	4984	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5391eb30d4fb667b2120cce22f2a4b2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5391eb30d4fb667b2120cce22f2a4b2.dll,#1
  2⤵
  PID:3440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 692
    3⤵
    - Program crash
    PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:3484

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3440-0-0x00000000751E0000-0x0000000075210000-memory.dmp

Filesize
192KB

Download
memory/3440-1-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download