dridex | b8e731b783f4b9f5964f0fe03529aecf3e3eefc3ffda27ed3c46f571939733f3

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 14:10

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General

Target

JaffaCakes118_b8e731b783f4b9f5964f0fe03529aecf3e3eefc3ffda27ed3c46f571939733f3.dll
Size

184KB
MD5

fc6419eff4fd488b6731c25b4d99bf97
SHA1

cbb4cf60f442911af099c630dd09ada9c1a6a630
SHA256

b8e731b783f4b9f5964f0fe03529aecf3e3eefc3ffda27ed3c46f571939733f3
SHA512

7f6d769ad507b9be40f674f5e045b99b33e417999bc54079c20841aa1de6551d72eaef0ea3aacfaf1dabbb734bd1d3b80e56f1d692b1485cae11b1d6fc8ab422
SSDEEP

3072:YiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoYlzoxss7:YiLVCIT4WK2z1W+CUHZj4Skq/eaoGoC

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/2424-1-0x00000000750C0000-0x00000000750EF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	2424	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 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8e731b783f4b9f5964f0fe03529aecf3e3eefc3ffda27ed3c46f571939733f3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8e731b783f4b9f5964f0fe03529aecf3e3eefc3ffda27ed3c46f571939733f3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 220
    3⤵
    - Program crash
    PID:1944

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/2424-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x00000000750C0000-0x00000000750EF000-memory.dmp

Filesize
188KB

Download
memory/2424-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download