dridex | d61800fdcc65baf3b9a9f0d088d72fd120a189db3d37837e9a252ee71b9b3e7b

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/12/2024, 16:21

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General

Target

d61800fdcc65baf3b9a9f0d088d72fd120a189db3d37837e9a252ee71b9b3e7b.dll
Size

184KB
MD5

1c01358dfa931407a96461571bff2716
SHA1

59205aa52e5e476bdbc157c4adc3e397926ed0bc
SHA256

d61800fdcc65baf3b9a9f0d088d72fd120a189db3d37837e9a252ee71b9b3e7b
SHA512

f92f46f96fe39b3b8465d63390421403e148da7a7774931f94f56767936904bbc63a88493ede166964be70c6192777ea48bb00a07dc27872b3640a2c830761e2
SSDEEP

3072:1iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaotlzoxss7:1iLVCIT4WK2z1W+CUHZj4Skq/eaojoC

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/824-1-0x00000000752B0000-0x00000000752DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	824	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 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 2112 wrote to memory of 824	2112	rundll32.exe	31
PID 824 wrote to memory of 2500	824	rundll32.exe	32
PID 824 wrote to memory of 2500	824	rundll32.exe	32
PID 824 wrote to memory of 2500	824	rundll32.exe	32
PID 824 wrote to memory of 2500	824	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d61800fdcc65baf3b9a9f0d088d72fd120a189db3d37837e9a252ee71b9b3e7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d61800fdcc65baf3b9a9f0d088d72fd120a189db3d37837e9a252ee71b9b3e7b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 220
    3⤵
    - Program crash
    PID:2500

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/824-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/824-1-0x00000000752B0000-0x00000000752DF000-memory.dmp

Filesize
188KB

Download
memory/824-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download