dridex | 686a8e21f997b8412c71191a4dfd2623d528f9e5914b517c44cf14635d001fba

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:48

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General

Target

JaffaCakes118_686a8e21f997b8412c71191a4dfd2623d528f9e5914b517c44cf14635d001fba.dll
Size

184KB
MD5

0b8dfee375cb13414b2ca76d9b2dcd2c
SHA1

e020e084f37a7179abe61d244ef1cc2a61c877d3
SHA256

686a8e21f997b8412c71191a4dfd2623d528f9e5914b517c44cf14635d001fba
SHA512

af29497c3cb25879327c4bdf399fbbcdfb169b89d6d90abc539c182ee0b152fcb72de79f6d97481471620325bd21e2d9e2d9822e9c1c25f365920ed86024d42b
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao+lzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaocoC

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/2492-0-0x0000000074B10000-0x0000000074B3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2464	2492	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 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 1672 wrote to memory of 2492	1672	rundll32.exe	30
PID 2492 wrote to memory of 2464	2492	rundll32.exe	31
PID 2492 wrote to memory of 2464	2492	rundll32.exe	31
PID 2492 wrote to memory of 2464	2492	rundll32.exe	31
PID 2492 wrote to memory of 2464	2492	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_686a8e21f997b8412c71191a4dfd2623d528f9e5914b517c44cf14635d001fba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_686a8e21f997b8412c71191a4dfd2623d528f9e5914b517c44cf14635d001fba.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 220
    3⤵
    - Program crash
    PID:2464

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/2492-0-0x0000000074B10000-0x0000000074B3F000-memory.dmp

Filesize
188KB

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memory/2492-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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