dridex | b358aac390f7d96681a6e9a170b293c10b8c86afaa9cc7aeb154a925278b9fda

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 19:27

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General

Target

JaffaCakes118_b358aac390f7d96681a6e9a170b293c10b8c86afaa9cc7aeb154a925278b9fda.dll
Size

184KB
MD5

334883b7cda712d9ed0bc6da59f2bae0
SHA1

d4e6186349db1920dec9e43345d49392d76ca9b8
SHA256

b358aac390f7d96681a6e9a170b293c10b8c86afaa9cc7aeb154a925278b9fda
SHA512

fb0d0243aa7bbd3b20aaa29df63df17b0ac34957257add3c0c8cd99dced2d5cb73ebda7952e4398657937c8042271e6b695091cf3513a81f8abe8dec7413a85e
SSDEEP

3072:5iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoFlzoxss7:5iLVCIT4WK2z1W+CUHZj4Skq/eaoLoC

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/1948-1-0x0000000074BA0000-0x0000000074BCF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	1948	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 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 2640 wrote to memory of 1948	2640	rundll32.exe	30
PID 1948 wrote to memory of 2808	1948	rundll32.exe	31
PID 1948 wrote to memory of 2808	1948	rundll32.exe	31
PID 1948 wrote to memory of 2808	1948	rundll32.exe	31
PID 1948 wrote to memory of 2808	1948	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b358aac390f7d96681a6e9a170b293c10b8c86afaa9cc7aeb154a925278b9fda.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b358aac390f7d96681a6e9a170b293c10b8c86afaa9cc7aeb154a925278b9fda.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 220
    3⤵
    - Program crash
    PID:2808

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

Replay Monitor

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Downloads

memory/1948-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1948-1-0x0000000074BA0000-0x0000000074BCF000-memory.dmp

Filesize
188KB

Download
memory/1948-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download