dridex | 4541cd96682e971627ad511f84a05ffc6130333a56cd2938c76d7451d3532d15

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 19:01

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General

Target

36541fa8fae45ef0d7683056f32cd4a7_JaffaCakes118.dll
Size

184KB
MD5

36541fa8fae45ef0d7683056f32cd4a7
SHA1

e56797510f4187c3ff480e25bea90e033e22bbb3
SHA256

4541cd96682e971627ad511f84a05ffc6130333a56cd2938c76d7451d3532d15
SHA512

dd7e8c74e8b055bde72cdb5373706806bda2ba74909e7bcdb6b12c796c64bd1da4f8dcac18e39e24fea75c9a6603658c6e4df3c764e5d1a55809bf547e7da0d4
SSDEEP

3072:JDHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFisvQ:pMhP1cq7/16CT9jnR1Vz7ix

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4692-1-0x0000000074BB0000-0x0000000074BE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3272	4692	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4692	4740	rundll32.exe	83
PID 4740 wrote to memory of 4692	4740	rundll32.exe	83
PID 4740 wrote to memory of 4692	4740	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36541fa8fae45ef0d7683056f32cd4a7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\36541fa8fae45ef0d7683056f32cd4a7_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 612
    3⤵
    - Program crash
    PID:3272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4692 -ip 4692
1⤵
PID:4772

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/4692-0-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/4692-1-0x0000000074BB0000-0x0000000074BE0000-memory.dmp

Filesize
192KB

Download
memory/4692-3-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

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