dridex | f8e55a3901d2095bd653d15161b5a093598af11ca6277c05d577518ff40e5367

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 18:40

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General

Target
685a9a584c5cfe4df7dfc7ddf238d5d5.dll
Size 188KB
Sample240119-xa78msbehq
SHA256 f8e55a3901d2095bd653d15161b5a093598af11ca6277c05d577518ff40e5367
MD5 685a9a584c5cfe4df7dfc7ddf238d5d5
SHA1 efdca51c2ea2df5d4b7bb6537dae64693128daaf
SHA512 9fd91192aba965cd97b1acc38e0ee866e47a2f36e6386a53d488790888fa948048bc520c9d6a1b63b38f4e4cf80e734b16b73bf8086cb5622d1e39e177b2146a
SSDEEP 3072:vH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViW77dU:vUua/Pv7YNhRIEZDeXVpAxtMsxK
MD5 SHA1 SHA512 SSDEEP

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/3680-0-0x0000000074BC0000-0x0000000074BF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	3680	WerFault.exe	14

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 3680	1048	rundll32.exe	14
PID 1048 wrote to memory of 3680	1048	rundll32.exe	14
PID 1048 wrote to memory of 3680	1048	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\685a9a584c5cfe4df7dfc7ddf238d5d5.dll,#1
1⤵
PID:3680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 700
  2⤵
  - Program crash
  PID:1708

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\685a9a584c5cfe4df7dfc7ddf238d5d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3680 -ip 3680
1⤵
PID:4000

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3680-0-0x0000000074BC0000-0x0000000074BF0000-memory.dmp

Download

memory/3680-1-0x0000000001570000-0x0000000001576000-memory.dmp