dridex | 61b1ea6f96013b893cd90659b402a71e9525ec2ef3983ac735204cff351e395e

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 02:24

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General

Target

JaffaCakes118_61b1ea6f96013b893cd90659b402a71e9525ec2ef3983ac735204cff351e395e.dll
Size

184KB
MD5

3c7543716f006394b3662e62bd4cf957
SHA1

ec2e0b3d17471e48fdfaafacc0ba2af493122283
SHA256

61b1ea6f96013b893cd90659b402a71e9525ec2ef3983ac735204cff351e395e
SHA512

15705679acc3aa351a321a27ca01fdcb447901d76a3dafcc4fb28b43c38b214980faca69c007d8b614e8d0faff4ebc96c7e2ef8e2fa1975831a031e34999c4f2
SSDEEP

3072:FiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoElzoxss7:FiLVCIT4WK2z1W+CUHZj4Skq/eao6oC

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/2856-0-0x0000000075480000-0x00000000754AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	2856	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 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2580 wrote to memory of 2856	2580	rundll32.exe	30
PID 2856 wrote to memory of 2880	2856	rundll32.exe	31
PID 2856 wrote to memory of 2880	2856	rundll32.exe	31
PID 2856 wrote to memory of 2880	2856	rundll32.exe	31
PID 2856 wrote to memory of 2880	2856	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b1ea6f96013b893cd90659b402a71e9525ec2ef3983ac735204cff351e395e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b1ea6f96013b893cd90659b402a71e9525ec2ef3983ac735204cff351e395e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 224
    3⤵
    - Program crash
    PID:2880

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/2856-1-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

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memory/2856-0-0x0000000075480000-0x00000000754AF000-memory.dmp

Filesize
188KB

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