dridex | 2a5c705ca76f9a94bb408e92f19c0526d1d971538aa00e487e4d74725e59d116

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 19:18

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General

Target

JaffaCakes118_2a5c705ca76f9a94bb408e92f19c0526d1d971538aa00e487e4d74725e59d116.dll
Size

184KB
MD5

ace77828e139131d4c177620acb1950e
SHA1

c365b923c1520ea4018b0b51e3a95a6623faea8d
SHA256

2a5c705ca76f9a94bb408e92f19c0526d1d971538aa00e487e4d74725e59d116
SHA512

8ba7bc0cad3fd85aad62ea33f69da6580fea0bacfc6a688e755e10c33e51e98f916a3fe5853119405f81ee4b8c67491eb2183f12ea108d3efced7d688af31172
SSDEEP

3072:CiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoWlzoxss7:CiLVCIT4WK2z1W+CUHZj4Skq/eaoEoC

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/3020-0-0x0000000074C80000-0x0000000074CAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	3020	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 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 1992 wrote to memory of 3020	1992	rundll32.exe	30
PID 3020 wrote to memory of 2712	3020	rundll32.exe	31
PID 3020 wrote to memory of 2712	3020	rundll32.exe	31
PID 3020 wrote to memory of 2712	3020	rundll32.exe	31
PID 3020 wrote to memory of 2712	3020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a5c705ca76f9a94bb408e92f19c0526d1d971538aa00e487e4d74725e59d116.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a5c705ca76f9a94bb408e92f19c0526d1d971538aa00e487e4d74725e59d116.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 220
    3⤵
    - Program crash
    PID:2712

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/3020-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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memory/3020-0-0x0000000074C80000-0x0000000074CAF000-memory.dmp

Filesize
188KB

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