dridex | 4e6a871086c79d6131d0d6cf3b862e03956d0929663cc63e81018d79ebeb8531

Analysis

max time kernel
95s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 05:31

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General

Target

JaffaCakes118_4e6a871086c79d6131d0d6cf3b862e03956d0929663cc63e81018d79ebeb8531.dll
Size

161KB
MD5

b04b981db916f73bbf17f03342f7d43d
SHA1

bf64d0bfe80d683af95d8a4a0bad9204507bd86b
SHA256

4e6a871086c79d6131d0d6cf3b862e03956d0929663cc63e81018d79ebeb8531
SHA512

2096cb451a2b39f6effb9cf6cd87e250cba64da6b591e2daaa39e16e4b44b84aef6f4a1c05d5c29de6f1d9f0cabd017dba36b8a5372d6ab2f6b71fd2740bc24f
SSDEEP

3072:g1Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:unS62Fl+pkeJl3CvRStrFl+EYh

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
behavioral2/memory/4040-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/4040-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3532	4040	WerFault.exe	82

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 1172 wrote to memory of 4040	1172	rundll32.exe	82
PID 1172 wrote to memory of 4040	1172	rundll32.exe	82
PID 1172 wrote to memory of 4040	1172	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e6a871086c79d6131d0d6cf3b862e03956d0929663cc63e81018d79ebeb8531.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e6a871086c79d6131d0d6cf3b862e03956d0929663cc63e81018d79ebeb8531.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 716
    3⤵
    - Program crash
    PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4040 -ip 4040
1⤵
PID:4796

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/4040-0-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/4040-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4040-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4040-3-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download