dridex | bfb90f4abaee96e667c44de62f0bb5225bf9bf478d035bcf887f81707e340e2d

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 05:41

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General

Target

JaffaCakes118_bfb90f4abaee96e667c44de62f0bb5225bf9bf478d035bcf887f81707e340e2d.dll
Size

184KB
MD5

65033e4362da768f419e615201785db0
SHA1

95c2169e6ade64d5df37b79625a711b0d17a08be
SHA256

bfb90f4abaee96e667c44de62f0bb5225bf9bf478d035bcf887f81707e340e2d
SHA512

07a0e49c2e9bbf0f8023f60c94f99974008321c9d37eaa4ca8b3c306ade1f1f68de329e473d517fd695f0089f3338d8759c65d9bf0d6d9c1c7d93baccb864b8c
SSDEEP

3072:7iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoblzoxss7:7iLVCIT4WK2z1W+CUHZj4Skq/eaohoC

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/2732-0-0x00000000747C0000-0x00000000747EF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2668	2732	WerFault.exe	28

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 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2076 wrote to memory of 2732	2076	rundll32.exe	28
PID 2732 wrote to memory of 2668	2732	rundll32.exe	29
PID 2732 wrote to memory of 2668	2732	rundll32.exe	29
PID 2732 wrote to memory of 2668	2732	rundll32.exe	29
PID 2732 wrote to memory of 2668	2732	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfb90f4abaee96e667c44de62f0bb5225bf9bf478d035bcf887f81707e340e2d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfb90f4abaee96e667c44de62f0bb5225bf9bf478d035bcf887f81707e340e2d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 220
    3⤵
    - Program crash
    PID:2668

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/2732-0-0x00000000747C0000-0x00000000747EF000-memory.dmp

Filesize
188KB

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memory/2732-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

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