dridex | 6a989f50759262495b89e82130310355be86b7ff4244aeafe0226e430f49888a

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:25

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General

Target

JaffaCakes118_6a989f50759262495b89e82130310355be86b7ff4244aeafe0226e430f49888a.dll
Size

170KB
MD5

419d5630f92be3819b56a08afcd3621b
SHA1

6076e1820da186cd7d58a74c849c5515746a5323
SHA256

6a989f50759262495b89e82130310355be86b7ff4244aeafe0226e430f49888a
SHA512

b229771fdb27f53db11191826e05ea908ed08b04cef150d061fd76fed372eb3759ebddba7ee57b8c7c61b0af5d2c1a872a2d147ef82182d2b7e7d98f401c63b8
SSDEEP

3072:KqWLBTrGNr0gl+CI3bc4ThMXu6GkqFmLqmjcRVmkHkKFhG2wwUJ5/lB:8VqNd+CIQHXu9VFmu0qU2CJ5

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/4404-1-0x0000000075020000-0x0000000075050000-memory.dmp	dridex_ldr
behavioral2/memory/4404-2-0x0000000075020000-0x0000000075050000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1772	4404	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 2632 wrote to memory of 4404	2632	rundll32.exe	82
PID 2632 wrote to memory of 4404	2632	rundll32.exe	82
PID 2632 wrote to memory of 4404	2632	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a989f50759262495b89e82130310355be86b7ff4244aeafe0226e430f49888a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a989f50759262495b89e82130310355be86b7ff4244aeafe0226e430f49888a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 664
    3⤵
    - Program crash
    PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4404 -ip 4404
1⤵
PID:2716

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/4404-0-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/4404-1-0x0000000075020000-0x0000000075050000-memory.dmp

Filesize
192KB

Download
memory/4404-3-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/4404-2-0x0000000075020000-0x0000000075050000-memory.dmp

Filesize
192KB

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