dridex | 4fb4405829189f18aa1e876b8e5efb192dd783a4c57cdaa469be1e0e190ed314

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:59

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General

Target

JaffaCakes118_4fb4405829189f18aa1e876b8e5efb192dd783a4c57cdaa469be1e0e190ed314.dll
Size

161KB
MD5

27a94bc99cdd459ab49b4db330d98fa8
SHA1

b0bbc2a2409119593e5e8fa674abce0e72b543b9
SHA256

4fb4405829189f18aa1e876b8e5efb192dd783a4c57cdaa469be1e0e190ed314
SHA512

86780df911b58f8e172a5d88e0f681eb44d6d0d07e23107a470b14236d408a5d892496a9a75c61ad499113401aa5c9e0017808c6fb6a34dc189bd707391b5554
SSDEEP

3072:YgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:/nS62Fl+pkeJl3CvRStrFl+EYM

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2484-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2484-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	2484	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 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2788 wrote to memory of 2484	2788	rundll32.exe	30
PID 2484 wrote to memory of 2712	2484	rundll32.exe	31
PID 2484 wrote to memory of 2712	2484	rundll32.exe	31
PID 2484 wrote to memory of 2712	2484	rundll32.exe	31
PID 2484 wrote to memory of 2712	2484	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fb4405829189f18aa1e876b8e5efb192dd783a4c57cdaa469be1e0e190ed314.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fb4405829189f18aa1e876b8e5efb192dd783a4c57cdaa469be1e0e190ed314.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 256
    3⤵
    - Program crash
    PID:2712

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/2484-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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memory/2484-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2484-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download