dridex | c99b5ecae76493294fbd9c8839e9f48f7ad78e3cf7249cc75761cf8a6293c031

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 13:10

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General

Target

JaffaCakes118_c99b5ecae76493294fbd9c8839e9f48f7ad78e3cf7249cc75761cf8a6293c031.dll
Size

184KB
MD5

66ff1e41679b21be4fa32d78114fa0d4
SHA1

663858186e1abccabd78e8956e45dd1cf8af805e
SHA256

c99b5ecae76493294fbd9c8839e9f48f7ad78e3cf7249cc75761cf8a6293c031
SHA512

d0f48b898798cadb8b736df6a66a18719f3005add8bd342522b22fba110c37dacb4adc9d9ac9f4f5758109d04ac49e3b9a6a9bcf9c34fc6e33aba56b81d5ed95
SSDEEP

3072:xiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoplzoxss7:xiLVCIT4WK2z1W+CUHZj4Skq/eao3oC

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/4840-1-0x0000000075500000-0x000000007552F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2636	4840	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 5020 wrote to memory of 4840	5020	rundll32.exe	83
PID 5020 wrote to memory of 4840	5020	rundll32.exe	83
PID 5020 wrote to memory of 4840	5020	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c99b5ecae76493294fbd9c8839e9f48f7ad78e3cf7249cc75761cf8a6293c031.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c99b5ecae76493294fbd9c8839e9f48f7ad78e3cf7249cc75761cf8a6293c031.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 616
    3⤵
    - Program crash
    PID:2636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4840 -ip 4840
1⤵
PID:2392

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/4840-0-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

Download
memory/4840-1-0x0000000075500000-0x000000007552F000-memory.dmp

Filesize
188KB

Download
memory/4840-3-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

Download