dridex | 72928405a4bf4e0b968de00e31f859d8b9e7f4b84aaf2d0a71ed723ba555981e

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:38

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General

Target

JaffaCakes118_72928405a4bf4e0b968de00e31f859d8b9e7f4b84aaf2d0a71ed723ba555981e.dll
Size

184KB
MD5

18ce9292bd17be7909b0654a2b9c9a1d
SHA1

fd8e88913fddc4e150d0ac609af0e238f8116202
SHA256

72928405a4bf4e0b968de00e31f859d8b9e7f4b84aaf2d0a71ed723ba555981e
SHA512

23dddd4254222ff6e9eb8bfb9493966192275f1a32082707e5068aae382f99cafb6558d91453b396b4706c7b7e7bccaa84ccbebcb97b707bc4ccc5ceb1566578
SSDEEP

3072:fdMzjc3hsj4S/T54/jA03FNzy/SET+88lGBZ51FyIqFue:fdhscmTclN6yI

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2060-1-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	2060	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 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2200 wrote to memory of 2060	2200	rundll32.exe	30
PID 2060 wrote to memory of 2108	2060	rundll32.exe	32
PID 2060 wrote to memory of 2108	2060	rundll32.exe	32
PID 2060 wrote to memory of 2108	2060	rundll32.exe	32
PID 2060 wrote to memory of 2108	2060	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72928405a4bf4e0b968de00e31f859d8b9e7f4b84aaf2d0a71ed723ba555981e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72928405a4bf4e0b968de00e31f859d8b9e7f4b84aaf2d0a71ed723ba555981e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 224
    3⤵
    - Program crash
    PID:2108

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/2060-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/2060-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download