dridex | 66244c83ffb143925984165488f16c75a7275fddd725704065281ad27643510f

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 15:43

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General

Target

JaffaCakes118_66244c83ffb143925984165488f16c75a7275fddd725704065281ad27643510f.dll
Size

184KB
MD5

c4bcf9f127d31a9d67446a937f7e4e1e
SHA1

12b26c9b193ae11602304eb2632a12f5801aa78f
SHA256

66244c83ffb143925984165488f16c75a7275fddd725704065281ad27643510f
SHA512

03f8898565418a000ea3548f041c9cff3e471d8487652d37ac52dbfd6c33887a13f37d22693d1625d474603a46986df6d5a5f575131de2ae2b6036a90ac2cd9c
SSDEEP

3072:NiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoBlzoxss7:NiLVCIT4WK2z1W+CUHZj4Skq/eaofoC

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/2400-1-0x0000000074C30000-0x0000000074C5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	2400	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 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2400 wrote to memory of 2536	2400	rundll32.exe	32
PID 2400 wrote to memory of 2536	2400	rundll32.exe	32
PID 2400 wrote to memory of 2536	2400	rundll32.exe	32
PID 2400 wrote to memory of 2536	2400	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66244c83ffb143925984165488f16c75a7275fddd725704065281ad27643510f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66244c83ffb143925984165488f16c75a7275fddd725704065281ad27643510f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 220
    3⤵
    - Program crash
    PID:2536

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/2400-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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memory/2400-1-0x0000000074C30000-0x0000000074C5F000-memory.dmp

Filesize
188KB

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