dridex | efe7973f4fc30872ada91287e9c118310982fe9dd253cce8cabaa892fd4e84f6

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
21-12-2024 17:05

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General

Target

efe7973f4fc30872ada91287e9c118310982fe9dd253cce8cabaa892fd4e84f6.dll
Size

184KB
MD5

bdc9865901d77bf2d615309d1cb5b351
SHA1

05d5ed6f040f62125a244ce1c03dd54839642abf
SHA256

efe7973f4fc30872ada91287e9c118310982fe9dd253cce8cabaa892fd4e84f6
SHA512

59c0d99d4f2cebf66904f36e4a3963dff8a4a73bc7e3f01d69557a2bf7f3dbfa3520d3c46dc29317bfb7f84bf89378ce57646143604690557cd6cc8f09fefec3
SSDEEP

3072:YiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao6lzoxss7:YiLVCIT4WK2z1W+CUHZj4Skq/eaoQoC

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/2168-1-0x0000000074D60000-0x0000000074D8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2168	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 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efe7973f4fc30872ada91287e9c118310982fe9dd253cce8cabaa892fd4e84f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efe7973f4fc30872ada91287e9c118310982fe9dd253cce8cabaa892fd4e84f6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 220
    3⤵
    - Program crash
    PID:2696

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

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Downloads

memory/2168-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x0000000074D60000-0x0000000074D8F000-memory.dmp

Filesize
188KB

Download
memory/2168-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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