dridex | 04c8739b2fb41e5eeb93caf5c4c4d82f78311238847c16b0070f7d90951f78e3

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 02:56

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General

Target

JaffaCakes118_04c8739b2fb41e5eeb93caf5c4c4d82f78311238847c16b0070f7d90951f78e3.dll
Size

177KB
MD5

5efacebbdc1b064a33ad518adeac46ac
SHA1

f6f2f893a65c7f4a34fca61862c02376ca59ec36
SHA256

04c8739b2fb41e5eeb93caf5c4c4d82f78311238847c16b0070f7d90951f78e3
SHA512

507f82285d68ad793e995840cd6b8c6e7277490519aa4c2ccd944fb209a54e19a8300a5d413c7df8124c8e5dd812103d1516e8f42e1f52343df05c3d91d01d42
SSDEEP

3072:NuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:RzWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/1540-0-0x00000000751D0000-0x0000000075201000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	1540	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 4948 wrote to memory of 1540	4948	rundll32.exe	83
PID 4948 wrote to memory of 1540	4948	rundll32.exe	83
PID 4948 wrote to memory of 1540	4948	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04c8739b2fb41e5eeb93caf5c4c4d82f78311238847c16b0070f7d90951f78e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04c8739b2fb41e5eeb93caf5c4c4d82f78311238847c16b0070f7d90951f78e3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 636
    3⤵
    - Program crash
    PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1540 -ip 1540
1⤵
PID:1016

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/1540-2-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

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memory/1540-0-0x00000000751D0000-0x0000000075201000-memory.dmp

Filesize
196KB

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