dridex | 3c5a74caf7f490487f21ee4f2444a3c7d26c82dbf83cea89196aa1055decf593

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 04:01

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General

Target

JaffaCakes118_3c5a74caf7f490487f21ee4f2444a3c7d26c82dbf83cea89196aa1055decf593.dll
Size

161KB
MD5

664c8961ff78a58b5b39acf2257179af
SHA1

b6c7c5d8e137a4e1d044c51a6f246cee5ef0ece8
SHA256

3c5a74caf7f490487f21ee4f2444a3c7d26c82dbf83cea89196aa1055decf593
SHA512

2503128ba4d7f574595790c4ca7f6f1368f4374cf40698a0f1e1de1848639e9c831592dedea2883fa9abf7a9b9d464b48149211c4774eb8bda3c23114a4d3917
SSDEEP

3072:P1Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:9nS62Fl+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
behavioral1/memory/2524-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2524-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	2524	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 1736 wrote to memory of 2524	1736	rundll32.exe	30
PID 2524 wrote to memory of 2480	2524	rundll32.exe	31
PID 2524 wrote to memory of 2480	2524	rundll32.exe	31
PID 2524 wrote to memory of 2480	2524	rundll32.exe	31
PID 2524 wrote to memory of 2480	2524	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5a74caf7f490487f21ee4f2444a3c7d26c82dbf83cea89196aa1055decf593.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5a74caf7f490487f21ee4f2444a3c7d26c82dbf83cea89196aa1055decf593.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 256
    3⤵
    - Program crash
    PID:2480

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/2524-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2524-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2524-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download