dridex | 5a8c24e3f932a14a33efccd66b28daa0ec7682f6824f8aaee099303364baafcd

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/12/2024, 22:54

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General

Target

JaffaCakes118_5a8c24e3f932a14a33efccd66b28daa0ec7682f6824f8aaee099303364baafcd.dll
Size

184KB
MD5

7f98b485743d4425ed4bb8e176ee80db
SHA1

73406c53da865edd4c2877e64868bac445594ef0
SHA256

5a8c24e3f932a14a33efccd66b28daa0ec7682f6824f8aaee099303364baafcd
SHA512

f7532aeab4d1b4a80228d58a2322f393e6c3c0b0864966ce56b18c14d8adcc0df31472b262006a3696584f4855888b959a4fa41224399bba5ac0a5a9d2a7cae1
SSDEEP

3072:KiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoWlzoxss7:KiLVCIT4WK2z1W+CUHZj4Skq/eaoEoC

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/4428-1-0x0000000075610000-0x000000007563F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1060	4428	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 2524 wrote to memory of 4428	2524	rundll32.exe	83
PID 2524 wrote to memory of 4428	2524	rundll32.exe	83
PID 2524 wrote to memory of 4428	2524	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a8c24e3f932a14a33efccd66b28daa0ec7682f6824f8aaee099303364baafcd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a8c24e3f932a14a33efccd66b28daa0ec7682f6824f8aaee099303364baafcd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 616
    3⤵
    - Program crash
    PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4428 -ip 4428
1⤵
PID:988

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/4428-0-0x00000000013E0000-0x00000000013E6000-memory.dmp

Filesize
24KB

Download
memory/4428-1-0x0000000075610000-0x000000007563F000-memory.dmp

Filesize
188KB

Download
memory/4428-3-0x00000000013E0000-0x00000000013E6000-memory.dmp

Filesize
24KB

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