dridex | 2dfa0f81566a2f4a4a1a5734e31609c42ffeb8de94c63092325c78abe08e5acd

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:17

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General

Target

JaffaCakes118_2dfa0f81566a2f4a4a1a5734e31609c42ffeb8de94c63092325c78abe08e5acd.dll
Size

184KB
MD5

248956862ffa1a8b64d61f2fd6b2f600
SHA1

417385582525bbaf29f710f6bfc58e8235f342c1
SHA256

2dfa0f81566a2f4a4a1a5734e31609c42ffeb8de94c63092325c78abe08e5acd
SHA512

01e40811a91f4a6d7d4f65129243b326b144716bc6b94945f0585768f7994dae5914f808b327c10e5f8a34fb66e10587b8ed88a13d9d7e43eb4e0a14b52673ed
SSDEEP

3072:0JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JWa//2uFrSc:5fYOX+wTScR/Xzku9LVwFuG

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
behavioral1/memory/844-1-0x00000000752A0000-0x00000000752CF000-memory.dmp	dridex_ldr
behavioral1/memory/844-2-0x00000000752A0000-0x00000000752CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	844	WerFault.exe	29

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 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 2528 wrote to memory of 844	2528	rundll32.exe	29
PID 844 wrote to memory of 2944	844	rundll32.exe	30
PID 844 wrote to memory of 2944	844	rundll32.exe	30
PID 844 wrote to memory of 2944	844	rundll32.exe	30
PID 844 wrote to memory of 2944	844	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2dfa0f81566a2f4a4a1a5734e31609c42ffeb8de94c63092325c78abe08e5acd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2dfa0f81566a2f4a4a1a5734e31609c42ffeb8de94c63092325c78abe08e5acd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 220
    3⤵
    - Program crash
    PID:2944

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/844-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/844-1-0x00000000752A0000-0x00000000752CF000-memory.dmp

Filesize
188KB

Download
memory/844-2-0x00000000752A0000-0x00000000752CF000-memory.dmp

Filesize
188KB

Download
memory/844-3-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download