dridex | 9cfbf647939dbf43ee77d4dd8d897dfdf3667284ee01783e31f67047f6cada68

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 00:13

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General

Target

9cfbf647939dbf43ee77d4dd8d897dfdf3667284ee01783e31f67047f6cada68.dll
Size

665KB
MD5

1967e91ca658d86d3b3592cc557927db
SHA1

86d3590805065ab7a48145f471acc079c5e78eb5
SHA256

9cfbf647939dbf43ee77d4dd8d897dfdf3667284ee01783e31f67047f6cada68
SHA512

a42e0f825965aca2cbf6f82d46dd2f6bda3dbc93d32bd84429318570961f2dff77824e8e09f6085cc94ef0457448edab55398dd90ed39219b4c28109cc82842e
SSDEEP

12288:5SOP47es0e6yHPJDk726F6Vn2yQlNyM/OwGS80L2:5BQes0e6yHjH

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/2484-1-0x0000000074BB0000-0x0000000074BE1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1280	2484	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 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2440 wrote to memory of 2484	2440	rundll32.exe	30
PID 2484 wrote to memory of 1280	2484	rundll32.exe	31
PID 2484 wrote to memory of 1280	2484	rundll32.exe	31
PID 2484 wrote to memory of 1280	2484	rundll32.exe	31
PID 2484 wrote to memory of 1280	2484	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9cfbf647939dbf43ee77d4dd8d897dfdf3667284ee01783e31f67047f6cada68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9cfbf647939dbf43ee77d4dd8d897dfdf3667284ee01783e31f67047f6cada68.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 220
    3⤵
    - Program crash
    PID:1280

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/2484-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x0000000074BB0000-0x0000000074BE1000-memory.dmp

Filesize
196KB

Download
memory/2484-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

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