dridex | a35001da2c36f9393c437274e1024215421cac75176876111bf96d4d1d27ce50

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 02:43

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General

Target

JaffaCakes118_a35001da2c36f9393c437274e1024215421cac75176876111bf96d4d1d27ce50.dll
Size

184KB
MD5

73de71a9f47a6b57cb3e8f23b37d849a
SHA1

b00e57199901b479ea5ea4e85101ab272d1a9f19
SHA256

a35001da2c36f9393c437274e1024215421cac75176876111bf96d4d1d27ce50
SHA512

b2685487795ecd6bba3bb2f193225a8de385fa1b33f914a43ef9babd3e0fb81ffec314f9502002bdfc5fba915956c543a3224ee927901c77b1a8027a52ab4455
SSDEEP

3072:DuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KPlmsb:R7TXYsd9SkONU1jKGlslm

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/2516-1-0x00000000746D0000-0x0000000074700000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2528	2516	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 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2548 wrote to memory of 2516	2548	rundll32.exe	30
PID 2516 wrote to memory of 2528	2516	rundll32.exe	32
PID 2516 wrote to memory of 2528	2516	rundll32.exe	32
PID 2516 wrote to memory of 2528	2516	rundll32.exe	32
PID 2516 wrote to memory of 2528	2516	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a35001da2c36f9393c437274e1024215421cac75176876111bf96d4d1d27ce50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a35001da2c36f9393c437274e1024215421cac75176876111bf96d4d1d27ce50.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 220
    3⤵
    - Program crash
    PID:2528

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/2516-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2516-1-0x00000000746D0000-0x0000000074700000-memory.dmp

Filesize
192KB

Download
memory/2516-4-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download