dridex | 7776fc3f19c1de40fc8d37dabb977497ecf4d3d982ac6a0472bdeb2a10abceed

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 00:45

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General

Target

JaffaCakes118_7776fc3f19c1de40fc8d37dabb977497ecf4d3d982ac6a0472bdeb2a10abceed.dll
Size

184KB
MD5

23726805c9a29d86c867dd432a31ce30
SHA1

00e9ad482d493040e17f6ed0938f06e38b7ede37
SHA256

7776fc3f19c1de40fc8d37dabb977497ecf4d3d982ac6a0472bdeb2a10abceed
SHA512

ee7aca9a7bb0e25194dad84c27dfcdaa37f87e6a58c5ad01de3c79ef04711f444527e90e18213d06427476d5552607786cf1471ea3796cd53935dba82dd0f4c3
SSDEEP

3072:hiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoelzoxss7:hiLVCIT4WK2z1W+CUHZj4Skq/eao8oC

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/1240-0-0x0000000074730000-0x000000007475F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2000	1240	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 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1980 wrote to memory of 1240	1980	rundll32.exe	30
PID 1240 wrote to memory of 2000	1240	rundll32.exe	32
PID 1240 wrote to memory of 2000	1240	rundll32.exe	32
PID 1240 wrote to memory of 2000	1240	rundll32.exe	32
PID 1240 wrote to memory of 2000	1240	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7776fc3f19c1de40fc8d37dabb977497ecf4d3d982ac6a0472bdeb2a10abceed.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7776fc3f19c1de40fc8d37dabb977497ecf4d3d982ac6a0472bdeb2a10abceed.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 220
    3⤵
    - Program crash
    PID:2000

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/1240-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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memory/1240-0-0x0000000074730000-0x000000007475F000-memory.dmp

Filesize
188KB

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