dridex | f510f9e638d852bbbed878fab7679ec770cdf647c92c1c73653b457facf848c4

Analysis

max time kernel
133s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 04:57

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General

Target

f510f9e638d852bbbed878fab7679ec770cdf647c92c1c73653b457facf848c4N.dll
Size

184KB
MD5

4f79584a5c40828c361572fadc6f09a0
SHA1

8409549544af811e0497aec19e2f375c627b418c
SHA256

f510f9e638d852bbbed878fab7679ec770cdf647c92c1c73653b457facf848c4
SHA512

63da05ae88f4efdf7afb31da4997f9b90a5d27694f07bcb92a526fec244a6d16e0d54a9fdf961b3ccb771fca1700d60026889d8e346e03f81be04640b1267e08
SSDEEP

3072:U92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTQrLA:U9NSMOEpQ1Q3ODAr+V8

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/3940-1-0x0000000074F50000-0x0000000074F7F000-memory.dmp	dridex_ldr
behavioral2/memory/3940-2-0x0000000074F50000-0x0000000074F7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1364 3940 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1364	3940	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4584 wrote to memory of 3940	4584	rundll32.exe	rundll32.exe
PID 4584 wrote to memory of 3940	4584	rundll32.exe	rundll32.exe
PID 4584 wrote to memory of 3940	4584	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f510f9e638d852bbbed878fab7679ec770cdf647c92c1c73653b457facf848c4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f510f9e638d852bbbed878fab7679ec770cdf647c92c1c73653b457facf848c4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 616
    3⤵
    - Program crash
    PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3940 -ip 3940
1⤵
PID:2644

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/3940-0-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3940-1-0x0000000074F50000-0x0000000074F7F000-memory.dmp

Filesize
188KB

Download
memory/3940-3-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3940-2-0x0000000074F50000-0x0000000074F7F000-memory.dmp

Filesize
188KB

Download