dridex | 3b1bb8e046e906b2d3953a69c30c4b1f7fb389e7862e8eb847af2d296a25c4cc

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 13:25

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General

Target

JaffaCakes118_3b1bb8e046e906b2d3953a69c30c4b1f7fb389e7862e8eb847af2d296a25c4cc.dll
Size

184KB
MD5

3e36771c24a046e7c445ccb0d99499ba
SHA1

fd4136b87219aec47153d41ae0dae690b6574ba9
SHA256

3b1bb8e046e906b2d3953a69c30c4b1f7fb389e7862e8eb847af2d296a25c4cc
SHA512

00b209c0560d333b359577863be74959246afd750db4c0535ab658799697bfbc27c02dfe03e6818a75656b1247cb1c29280fdae7f5e0470450aa07470edfb3b8
SSDEEP

3072:muwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KVlmsb:47TXYsd9SkONU1jKGlulm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2240-1-0x00000000753D0000-0x0000000075400000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2888	2240	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 576 wrote to memory of 2240	576	rundll32.exe	30
PID 2240 wrote to memory of 2888	2240	rundll32.exe	31
PID 2240 wrote to memory of 2888	2240	rundll32.exe	31
PID 2240 wrote to memory of 2888	2240	rundll32.exe	31
PID 2240 wrote to memory of 2888	2240	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b1bb8e046e906b2d3953a69c30c4b1f7fb389e7862e8eb847af2d296a25c4cc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b1bb8e046e906b2d3953a69c30c4b1f7fb389e7862e8eb847af2d296a25c4cc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 224
    3⤵
    - Program crash
    PID:2888

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

Replay Monitor

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Downloads

memory/2240-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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memory/2240-1-0x00000000753D0000-0x0000000075400000-memory.dmp

Filesize
192KB

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