dridex | cd06ca9ad10c83fd4501c65878d84d2b4a4d47f1f8751827f8b83f66ae9d0129

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 02:29

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General

Target

f61868611d8833f31ea0600976087540N.dll
Size

184KB
MD5

f61868611d8833f31ea0600976087540
SHA1

e83f202aa3f9b3d106f984a45c40fb256eb6caed
SHA256

cd06ca9ad10c83fd4501c65878d84d2b4a4d47f1f8751827f8b83f66ae9d0129
SHA512

ba031d214ff0efd2f77c68ce272cc4185b0c97bc2411edda51b356ae238ab260bf09c8a194620a21fd09a5dd4ed488312647976301dda18b919a9573a03dad2c
SSDEEP

3072:QiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao/lzoxss7:QiLVCIT4WK2z1W+CUHZj4Skq/eaodoC

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2548-1-0x0000000074F50000-0x0000000074F7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1996	2548	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 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2580 wrote to memory of 2548	2580	rundll32.exe	30
PID 2548 wrote to memory of 1996	2548	rundll32.exe	32
PID 2548 wrote to memory of 1996	2548	rundll32.exe	32
PID 2548 wrote to memory of 1996	2548	rundll32.exe	32
PID 2548 wrote to memory of 1996	2548	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f61868611d8833f31ea0600976087540N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f61868611d8833f31ea0600976087540N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 220
    3⤵
    - Program crash
    PID:1996

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/2548-2-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

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memory/2548-1-0x0000000074F50000-0x0000000074F7F000-memory.dmp

Filesize
188KB

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