dridex | c58922de8e5debae91e5c24d85e26bc5f37b7ec35e087c4b8f137059aa307802

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:31

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General

Target

c58922de8e5debae91e5c24d85e26bc5f37b7ec35e087c4b8f137059aa307802.dll
Size

163KB
MD5

c76016132933592fbcf16e9fb82a21d0
SHA1

657a4d86688e858aea3d2c066cbe6f33ceafd7d7
SHA256

c58922de8e5debae91e5c24d85e26bc5f37b7ec35e087c4b8f137059aa307802
SHA512

9a19c7de6016153aa9c67b5e026869b911470891b80d769e07f5cf1300a321ec1b67709a4a031773355a61614e0cf4315e911fe535097701ba37318bfd97a9d1
SSDEEP

3072:ear6Ys6p54kfdo+APr0aYSbeO6aal8jeytFQTOpp2J:os4p+ADxnSO6D2cOp

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/2096-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2564	2096	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 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2264 wrote to memory of 2096	2264	rundll32.exe	30
PID 2096 wrote to memory of 2564	2096	rundll32.exe	32
PID 2096 wrote to memory of 2564	2096	rundll32.exe	32
PID 2096 wrote to memory of 2564	2096	rundll32.exe	32
PID 2096 wrote to memory of 2564	2096	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c58922de8e5debae91e5c24d85e26bc5f37b7ec35e087c4b8f137059aa307802.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c58922de8e5debae91e5c24d85e26bc5f37b7ec35e087c4b8f137059aa307802.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 236
    3⤵
    - Program crash
    PID:2564

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/2096-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2096-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2096-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download