dridex | b55197fbb92cdffacdbbe96ffacae20f66477b09e1430b688a4f5e05a72d10c6

Analysis

max time kernel
96s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 02:31

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General

Target

b55197fbb92cdffacdbbe96ffacae20f66477b09e1430b688a4f5e05a72d10c6N.dll
Size

184KB
MD5

8c63bc0d2a4eab2f8fb559fd45da5350
SHA1

c01afa558e5337e755da5aef10112a7cf2c4b8e9
SHA256

b55197fbb92cdffacdbbe96ffacae20f66477b09e1430b688a4f5e05a72d10c6
SHA512

595fd36e712b701ebced238806487fe3f96944ec1c7c4702946a0a8e2bddf90200832928ade29a2c313488b324c957b83dce3138d55f21d21888b62ea7231de9
SSDEEP

3072:VgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgWdA4l:0PFkq6zOe5ilSanOJd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/4940-1-0x0000000074E80000-0x0000000074EB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	4940	WerFault.exe	82

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 2288 wrote to memory of 4940	2288	rundll32.exe	82
PID 2288 wrote to memory of 4940	2288	rundll32.exe	82
PID 2288 wrote to memory of 4940	2288	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b55197fbb92cdffacdbbe96ffacae20f66477b09e1430b688a4f5e05a72d10c6N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b55197fbb92cdffacdbbe96ffacae20f66477b09e1430b688a4f5e05a72d10c6N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 616
    3⤵
    - Program crash
    PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4940 -ip 4940
1⤵
PID:3048

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/4940-0-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/4940-1-0x0000000074E80000-0x0000000074EB0000-memory.dmp

Filesize
192KB

Download
memory/4940-3-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download