dridex | f6638116be28ecf4e5d9fd2510dbec85e045698caf6891c4673174fb9f1a8499

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 13:12

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General

Target

JaffaCakes118_f6638116be28ecf4e5d9fd2510dbec85e045698caf6891c4673174fb9f1a8499.dll
Size

184KB
MD5

c36c664f455d9b47332a030d89b711e9
SHA1

e0f64d8b8c2fa7903ddeb9520c1fe1084d55943c
SHA256

f6638116be28ecf4e5d9fd2510dbec85e045698caf6891c4673174fb9f1a8499
SHA512

8d1bdccd2933a7ee177871242169a1428ea204cab692a7f115f96514c0e02db39ba4847e6dbc69eb9bc44119722a462a69fb5b65d1f24f9af599c4a2b7e75bf2
SSDEEP

3072:/uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4K3lmsb:F7TXYsd9SkONU1jKGlAlm

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1704-0-0x0000000074B20000-0x0000000074B50000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2692	1704	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 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 1704 wrote to memory of 2692	1704	rundll32.exe	32
PID 1704 wrote to memory of 2692	1704	rundll32.exe	32
PID 1704 wrote to memory of 2692	1704	rundll32.exe	32
PID 1704 wrote to memory of 2692	1704	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6638116be28ecf4e5d9fd2510dbec85e045698caf6891c4673174fb9f1a8499.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6638116be28ecf4e5d9fd2510dbec85e045698caf6891c4673174fb9f1a8499.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 220
    3⤵
    - Program crash
    PID:2692

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/1704-1-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

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memory/1704-0-0x0000000074B20000-0x0000000074B50000-memory.dmp

Filesize
192KB

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