dridex | 3b696f83f56dc0760bf21d8f625f9dc886f8552f9dae03583655dcba2b97ed14

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 16:45

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General

Target

3b696f83f56dc0760bf21d8f625f9dc886f8552f9dae03583655dcba2b97ed14N.dll
Size

184KB
MD5

6b09745a46857be33291389d67c42b40
SHA1

38d51a01ce7eaf44bc34fe3f2535e8b8d5a0f2e8
SHA256

3b696f83f56dc0760bf21d8f625f9dc886f8552f9dae03583655dcba2b97ed14
SHA512

135d8222098d08a9c825c704aacc1d94de9c0b2b6dbbfb185fb401b28b656267216f28ba0df1d121d1a7058edd58517b16b4ead5426b3b5303a6a580d68e61f8
SSDEEP

3072:vJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jga//2uFrSc:8fYOX+wTScR/Xzku9LVwbuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1880-1-0x0000000074F20000-0x0000000074F4F000-memory.dmp	dridex_ldr
behavioral2/memory/1880-2-0x0000000074F20000-0x0000000074F4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4376	1880	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 624 wrote to memory of 1880	624	rundll32.exe	83
PID 624 wrote to memory of 1880	624	rundll32.exe	83
PID 624 wrote to memory of 1880	624	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b696f83f56dc0760bf21d8f625f9dc886f8552f9dae03583655dcba2b97ed14N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b696f83f56dc0760bf21d8f625f9dc886f8552f9dae03583655dcba2b97ed14N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1880
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 624
    3⤵
    - Program crash
    PID:4376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1880 -ip 1880
1⤵
PID:2824

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/1880-0-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/1880-1-0x0000000074F20000-0x0000000074F4F000-memory.dmp

Filesize
188KB

Download
memory/1880-2-0x0000000074F20000-0x0000000074F4F000-memory.dmp

Filesize
188KB

Download
memory/1880-3-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download