dridex | 2ea2b267004e6fbca9f4e3f57f08b9508deb57dd48224996863953c527a8fb12

Analysis

max time kernel
104s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 21:21

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General

Target

dfce645799db8f91da3130e685a13fc0N.dll
Size

184KB
MD5

dfce645799db8f91da3130e685a13fc0
SHA1

7ce5f5358f19a6dadc6afd4d209abb6e2431cf57
SHA256

2ea2b267004e6fbca9f4e3f57f08b9508deb57dd48224996863953c527a8fb12
SHA512

2f0f95f14c4f6cc420b3b61cceb98ff1c288f7c9b979f45c56c4628a3abe039e62c26b06a02ebccf34dec50047e07322f163192c7976e506cf090c3a988f35b9
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT1rLA:09NSMOEpQ1Q3ODAr+Vt

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/2344-1-0x0000000075630000-0x000000007565F000-memory.dmp	dridex_ldr
behavioral2/memory/2344-2-0x0000000075630000-0x000000007565F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2440	2344	WerFault.exe	85

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 5092 wrote to memory of 2344	5092	rundll32.exe	85
PID 5092 wrote to memory of 2344	5092	rundll32.exe	85
PID 5092 wrote to memory of 2344	5092	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfce645799db8f91da3130e685a13fc0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfce645799db8f91da3130e685a13fc0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 616
    3⤵
    - Program crash
    PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2344 -ip 2344
1⤵
PID:2428

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/2344-0-0x00000000008F0000-0x00000000008F6000-memory.dmp

Filesize
24KB

Download
memory/2344-1-0x0000000075630000-0x000000007565F000-memory.dmp

Filesize
188KB

Download
memory/2344-3-0x00000000008F0000-0x00000000008F6000-memory.dmp

Filesize
24KB

Download
memory/2344-2-0x0000000075630000-0x000000007565F000-memory.dmp

Filesize
188KB

Download