dridex | 461ace3e03494f901d98088f2c42a50bcb9158b7827a94839a0f092376522b3e

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:35

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General

Target

Ci9suwhy.dll
Size

184KB
MD5

68f6f10e614e60ae4d344fbfb82b53af
SHA1

23e791ca2dd0aa531c48ce0ddf19ebc79dba588b
SHA256

c9d2468f2dcf405949c9b2aa9429058e808a79e65ea89058cab9c8b2dbe86bac
SHA512

d39b974da5ff2f0d40b08b163a1419e97886a1ebd3ed28dc652dedec4217fbd5a69477f3b2dc2bc35d42b576a0a546005be97d20fbf75ce04078ff2be62ee1dd
SSDEEP

3072:cY2KSjqHseIjde9BDjklQ+wtfFI+Jt5UQmNtNmdyoAgh2//R:cY2ZM+M0lQtdqkdyoaH

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2504-0-0x0000000074800000-0x000000007482F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	2504	WerFault.exe	31

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 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2248 wrote to memory of 2504	2248	rundll32.exe	31
PID 2504 wrote to memory of 2796	2504	rundll32.exe	32
PID 2504 wrote to memory of 2796	2504	rundll32.exe	32
PID 2504 wrote to memory of 2796	2504	rundll32.exe	32
PID 2504 wrote to memory of 2796	2504	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Ci9suwhy.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Ci9suwhy.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 220
    3⤵
    - Program crash
    PID:2796

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/2504-1-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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memory/2504-0-0x0000000074800000-0x000000007482F000-memory.dmp

Filesize
188KB

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