dridex | 2781804ff669f11724850e9a9749b96aa360f280f020d2498f0277eae81d8575

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:18

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General

Target

2781804ff669f11724850e9a9749b96aa360f280f020d2498f0277eae81d8575.dll
Size

184KB
MD5

2b13230c2d3a56804d8096eb76f71644
SHA1

a6ed35579415dfecfd8c84344e642ab80ca31574
SHA256

2781804ff669f11724850e9a9749b96aa360f280f020d2498f0277eae81d8575
SHA512

76368f89c416f98e8e971e42132644fcf27288614b59542ffb02972900c2edd3911d73b7106948e7dd22a1eb954bd76c88b66ffd9ce573409edf9f0a79294cdb
SSDEEP

3072:2iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoclzoxss7:2iLVCIT4WK2z1W+CUHZj4Skq/eaoioC

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/1832-1-0x0000000074FB0000-0x0000000074FDF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	1832	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 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 1832 wrote to memory of 3048	1832	rundll32.exe	31
PID 1832 wrote to memory of 3048	1832	rundll32.exe	31
PID 1832 wrote to memory of 3048	1832	rundll32.exe	31
PID 1832 wrote to memory of 3048	1832	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2781804ff669f11724850e9a9749b96aa360f280f020d2498f0277eae81d8575.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2781804ff669f11724850e9a9749b96aa360f280f020d2498f0277eae81d8575.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 220
    3⤵
    - Program crash
    PID:3048

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/1832-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1832-1-0x0000000074FB0000-0x0000000074FDF000-memory.dmp

Filesize
188KB

Download
memory/1832-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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