dridex | 23828b7a2d75498005be4bbc2ea1f8e826b566daa7bde8a197e07fde59cc0af2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 11:19

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General

Target

JaffaCakes118_23828b7a2d75498005be4bbc2ea1f8e826b566daa7bde8a197e07fde59cc0af2.dll
Size

184KB
MD5

a9c4c900c3d924a743b585d10341f917
SHA1

9742e783cb80c4a3bb0f560b9b768bd3b49b9f4c
SHA256

23828b7a2d75498005be4bbc2ea1f8e826b566daa7bde8a197e07fde59cc0af2
SHA512

71ddd3781b2edd654ab8dbf4959e2361b907561086f1aae55b86d28b2eb16aab1c0c188ddf1044867a70e0917458815ff1d0ae3e1f47ecbf4ab5ee5027248e1a
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jxa//2uFrSc:mfYOX+wTScR/Xzku9LVwiuG

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/2380-1-0x0000000074F70000-0x0000000074F9F000-memory.dmp	dridex_ldr
behavioral1/memory/2380-2-0x0000000074F70000-0x0000000074F9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2380	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 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23828b7a2d75498005be4bbc2ea1f8e826b566daa7bde8a197e07fde59cc0af2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23828b7a2d75498005be4bbc2ea1f8e826b566daa7bde8a197e07fde59cc0af2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 220
    3⤵
    - Program crash
    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

Replay Monitor

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Downloads

memory/2380-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x0000000074F70000-0x0000000074F9F000-memory.dmp

Filesize
188KB

Download
memory/2380-2-0x0000000074F70000-0x0000000074F9F000-memory.dmp

Filesize
188KB

Download
memory/2380-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download