dridex | fc7c5631e9b0a9bab8b56320712a4b8b31e09482b5356727389643a531869b3d

Analysis

max time kernel
94s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 03:41

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General

Target

JaffaCakes118_fc7c5631e9b0a9bab8b56320712a4b8b31e09482b5356727389643a531869b3d.dll
Size

184KB
MD5

2078a9d9c70451ba9deb783c90bba37f
SHA1

44641bb6009bee00f3e300b3e40c67d3ebffcfe9
SHA256

fc7c5631e9b0a9bab8b56320712a4b8b31e09482b5356727389643a531869b3d
SHA512

e3c3ae839f9dc59d3f5ee99154a56f9886d926d26b8887e7f06aea094f0193454c04ffe5f4a62805c801e1a9f93b874f3b9ef699469091db3387225ab90493f7
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao5lzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaonoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3736-0-0x0000000074990000-0x00000000749BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
724	3736	WerFault.exe	83

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 3556 wrote to memory of 3736	3556	rundll32.exe	83
PID 3556 wrote to memory of 3736	3556	rundll32.exe	83
PID 3556 wrote to memory of 3736	3556	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc7c5631e9b0a9bab8b56320712a4b8b31e09482b5356727389643a531869b3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc7c5631e9b0a9bab8b56320712a4b8b31e09482b5356727389643a531869b3d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 616
    3⤵
    - Program crash
    PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3736 -ip 3736
1⤵
PID:8

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/3736-0-0x0000000074990000-0x00000000749BF000-memory.dmp

Filesize
188KB

Download
memory/3736-2-0x00000000017B0000-0x00000000017B6000-memory.dmp

Filesize
24KB

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