dridex | b4bd5f6f5e07da0e30275c802feb8ff516bee781b6791258f96c0444a815d872

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:33

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General

Target

JaffaCakes118_b4bd5f6f5e07da0e30275c802feb8ff516bee781b6791258f96c0444a815d872.dll
Size

184KB
MD5

92288aaee84ca3d753f36de57081f69a
SHA1

9badc6a53bff05d6e559165152e72a8c7bdb093a
SHA256

b4bd5f6f5e07da0e30275c802feb8ff516bee781b6791258f96c0444a815d872
SHA512

ee227c2b31b985f0fbf105f2507555e19128fad14e41991325235a158ab4359d1034e7e07597fcc4b288c0a1db4fbf3beda2c2fc7d1a91854470fb53aed25032
SSDEEP

3072:euwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kilmsb:g7TXYsd9SkONU1jKGldlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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
behavioral1/memory/2124-0-0x0000000074C00000-0x0000000074C30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
588	2124	WerFault.exe	31

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 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 3024 wrote to memory of 2124	3024	rundll32.exe	31
PID 2124 wrote to memory of 588	2124	rundll32.exe	32
PID 2124 wrote to memory of 588	2124	rundll32.exe	32
PID 2124 wrote to memory of 588	2124	rundll32.exe	32
PID 2124 wrote to memory of 588	2124	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4bd5f6f5e07da0e30275c802feb8ff516bee781b6791258f96c0444a815d872.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4bd5f6f5e07da0e30275c802feb8ff516bee781b6791258f96c0444a815d872.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 220
    3⤵
    - Program crash
    PID:588

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/2124-1-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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memory/2124-0-0x0000000074C00000-0x0000000074C30000-memory.dmp

Filesize
192KB

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