dridex | 66840f39e160bb5e38b9bc200087c4c4f557eb3b0885fab63aa67475552d81cb

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 20:23

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General

Target

JaffaCakes118_66840f39e160bb5e38b9bc200087c4c4f557eb3b0885fab63aa67475552d81cb.dll
Size

188KB
MD5

bf9c7346291c922f1c9ed616e54307ac
SHA1

900a5f45ddf46ffae932b64ecd04b87ee4482e39
SHA256

66840f39e160bb5e38b9bc200087c4c4f557eb3b0885fab63aa67475552d81cb
SHA512

b7f485e9a17cc3ac4ee6a74295f06632c512daf583774d7b568d387192c2e8434abe50ec874fd60b46a239bf5960702ded20ccec49d06296a3446ce8ea7ad8db
SSDEEP

3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:nzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/824-0-0x0000000074A70000-0x0000000074AA0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	824	WerFault.exe	28

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 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 1716 wrote to memory of 824	1716	rundll32.exe	28
PID 824 wrote to memory of 2236	824	rundll32.exe	29
PID 824 wrote to memory of 2236	824	rundll32.exe	29
PID 824 wrote to memory of 2236	824	rundll32.exe	29
PID 824 wrote to memory of 2236	824	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66840f39e160bb5e38b9bc200087c4c4f557eb3b0885fab63aa67475552d81cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66840f39e160bb5e38b9bc200087c4c4f557eb3b0885fab63aa67475552d81cb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 300
    3⤵
    - Program crash
    PID:2236

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/824-1-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/824-0-0x0000000074A70000-0x0000000074AA0000-memory.dmp

Filesize
192KB

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