dridex | b5b6b1f7d71b4a33d8794d072e3b11a2ff544d11c92e33b6174567351e261598

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:50

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General

Target

JaffaCakes118_b5b6b1f7d71b4a33d8794d072e3b11a2ff544d11c92e33b6174567351e261598.dll
Size

184KB
MD5

0757625eac9cfe3edcc2e25419f07163
SHA1

8495d38b0cae5eb14d70a43d4a27a711b8b507a7
SHA256

b5b6b1f7d71b4a33d8794d072e3b11a2ff544d11c92e33b6174567351e261598
SHA512

5cfb2e63a4eb6ab228688582bbfd98a69d9a27a4a912adb8929de5a604b9d8c34af1266b067547bbebdefdaf7c111db54c8c72faf7ebe24d20be26e0a729b99c
SSDEEP

3072:8iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaohlzoxss7:8iLVCIT4WK2z1W+CUHZj4Skq/eao/oC

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
behavioral1/memory/2972-0-0x0000000075400000-0x000000007542F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1364	2972	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 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2328 wrote to memory of 2972	2328	rundll32.exe	31
PID 2972 wrote to memory of 1364	2972	rundll32.exe	32
PID 2972 wrote to memory of 1364	2972	rundll32.exe	32
PID 2972 wrote to memory of 1364	2972	rundll32.exe	32
PID 2972 wrote to memory of 1364	2972	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5b6b1f7d71b4a33d8794d072e3b11a2ff544d11c92e33b6174567351e261598.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5b6b1f7d71b4a33d8794d072e3b11a2ff544d11c92e33b6174567351e261598.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 220
    3⤵
    - Program crash
    PID:1364

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/2972-0-0x0000000075400000-0x000000007542F000-memory.dmp

Filesize
188KB

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memory/2972-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

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