dridex | 4798ca402c2c60dd893ec6095ade8310b03bb0b9606c9288a19779c358b7a355

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 18:31

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General

Target

JaffaCakes118_4798ca402c2c60dd893ec6095ade8310b03bb0b9606c9288a19779c358b7a355.dll
Size

184KB
MD5

4a5a01b7b42ae96f10251787fd598832
SHA1

b44ec8e422b916dbcf2d0b7a8a6658bd6637e91c
SHA256

4798ca402c2c60dd893ec6095ade8310b03bb0b9606c9288a19779c358b7a355
SHA512

58cb73f58c3820889c8014463cc085d4d47fce8c32337f7a64ee46e66bb9652d241c83ca943fc5774a4ff23ab12886ff8e75bc1de31011d4898f20a50802298b
SSDEEP

3072:9iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoFlzoxss7:9iLVCIT4WK2z1W+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/1256-0-0x00000000751D0000-0x00000000751FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	1256	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 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 2548 wrote to memory of 1256	2548	rundll32.exe	30
PID 1256 wrote to memory of 2572	1256	rundll32.exe	31
PID 1256 wrote to memory of 2572	1256	rundll32.exe	31
PID 1256 wrote to memory of 2572	1256	rundll32.exe	31
PID 1256 wrote to memory of 2572	1256	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4798ca402c2c60dd893ec6095ade8310b03bb0b9606c9288a19779c358b7a355.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4798ca402c2c60dd893ec6095ade8310b03bb0b9606c9288a19779c358b7a355.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 220
    3⤵
    - Program crash
    PID:2572

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/1256-0-0x00000000751D0000-0x00000000751FF000-memory.dmp

Filesize
188KB

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memory/1256-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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