dridex | 639c1e0ebd239824b033591f8809a3c8e4e92bc42fb456514b10b8ee7089c5e6

Analysis

max time kernel
95s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/09/2024, 22:03

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General

Target

639c1e0ebd239824b033591f8809a3c8e4e92bc42fb456514b10b8ee7089c5e6.dll
Size

184KB
MD5

e2fe0ab19333c1e40a495c63d404c691
SHA1

ed4c4973a9d83d9b60b3f521baa3699581f780f4
SHA256

639c1e0ebd239824b033591f8809a3c8e4e92bc42fb456514b10b8ee7089c5e6
SHA512

a06e9fcf7f519c62e7a87b573beddd5fff8d7221bd36d669d02b3fd9beb24b4b8ae4d50b8f0fe1dec8cf0db392d6885f53675d00e2c5dbcd3cc59fdcfef1aa99
SSDEEP

3072:xgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgGdA4l:IPFkq6zOe5ilSanOpd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4396-1-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1536	4396	WerFault.exe	82

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 368 wrote to memory of 4396	368	rundll32.exe	82
PID 368 wrote to memory of 4396	368	rundll32.exe	82
PID 368 wrote to memory of 4396	368	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\639c1e0ebd239824b033591f8809a3c8e4e92bc42fb456514b10b8ee7089c5e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\639c1e0ebd239824b033591f8809a3c8e4e92bc42fb456514b10b8ee7089c5e6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 616
    3⤵
    - Program crash
    PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4396 -ip 4396
1⤵
PID:4960

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/4396-0-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4396-1-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

Download
memory/4396-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download