dridex | a9d684cb19ffcd7f5829dd6da1e551aa3c900ecbecf2ea184c30bdeaa3698c87

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
24-12-2024 03:00

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General

Target

JaffaCakes118_a9d684cb19ffcd7f5829dd6da1e551aa3c900ecbecf2ea184c30bdeaa3698c87.dll
Size

188KB
MD5

209d038a73050f7fb1bfe770ef1ca8ab
SHA1

54145fa545f13c4dd3b119b0bae465c38d3e532b
SHA256

a9d684cb19ffcd7f5829dd6da1e551aa3c900ecbecf2ea184c30bdeaa3698c87
SHA512

4bc5146317b90777457bbf0127bd209cede796bf7fa6f8f28e5e1f05d7c28af620940fb46147baa5ea17a2a0e5c1a5d141ac005d56b5e13237c117c224e4c079
SSDEEP

3072:AA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAogo:AzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2904-1-0x0000000075440000-0x0000000075470000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2876	2904	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 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2900 wrote to memory of 2904	2900	rundll32.exe	30
PID 2904 wrote to memory of 2876	2904	rundll32.exe	31
PID 2904 wrote to memory of 2876	2904	rundll32.exe	31
PID 2904 wrote to memory of 2876	2904	rundll32.exe	31
PID 2904 wrote to memory of 2876	2904	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9d684cb19ffcd7f5829dd6da1e551aa3c900ecbecf2ea184c30bdeaa3698c87.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9d684cb19ffcd7f5829dd6da1e551aa3c900ecbecf2ea184c30bdeaa3698c87.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 308
    3⤵
    - Program crash
    PID:2876

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/2904-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2904-1-0x0000000075440000-0x0000000075470000-memory.dmp

Filesize
192KB

Download
memory/2904-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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