dridex | 7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 17:29

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General

Target

7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d.dll
Size

184KB
MD5

d203b9019ef9b9d50f0b9b4c98913680
SHA1

7bee4e2392fa66a64e97be467b6c227a793de7c4
SHA256

7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d
SHA512

2719814da37033c62904b2dd068ba05629407cdd89d84242f9c97e5fca83a06e7374352cfed33e5b5048d4143b9e7d76a94af4274ac46b31006687245618d80b
SSDEEP

3072:1uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4K6lmsb:X7TXYsd9SkONU1jKGlZlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2176-1-0x0000000075890000-0x00000000758C0000-memory.dmp	dridex_ldr
behavioral2/memory/2176-2-0x0000000075890000-0x00000000758C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1632	2176	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2176	2204	rundll32.exe	83
PID 2204 wrote to memory of 2176	2204	rundll32.exe	83
PID 2204 wrote to memory of 2176	2204	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b873b894cf92a0d52d5d72a1e267492253b6a784266e493c572f5da407d8b9d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 616
    3⤵
    - Program crash
    PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2176 -ip 2176
1⤵
PID:4964

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/2176-0-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000075890000-0x00000000758C0000-memory.dmp

Filesize
192KB

Download
memory/2176-2-0x0000000075890000-0x00000000758C0000-memory.dmp

Filesize
192KB

Download
memory/2176-3-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download