dridex | 4bf82c025a19541983911e700725fc56435a822b1addbcc6aa8f58dbbb2ed1df

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:27

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General

Target

JaffaCakes118_4bf82c025a19541983911e700725fc56435a822b1addbcc6aa8f58dbbb2ed1df.dll
Size

177KB
MD5

d3c60139813e02976c1f82caa8f3e1d2
SHA1

9551d9520df688abf085887b4b05bb1d3702b332
SHA256

4bf82c025a19541983911e700725fc56435a822b1addbcc6aa8f58dbbb2ed1df
SHA512

4cf59c4aa3e09ddb6d218058f96e34396a37e02053c632f30a77956badaf1f604556841c8c7a800d02b93ad321726d7d8f839f4384de1cf774d327b2db197819
SSDEEP

3072:muCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:azWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/1552-1-0x0000000074D70000-0x0000000074DA1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	1552	WerFault.exe	31

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 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 1552 wrote to memory of 2900	1552	rundll32.exe	32
PID 1552 wrote to memory of 2900	1552	rundll32.exe	32
PID 1552 wrote to memory of 2900	1552	rundll32.exe	32
PID 1552 wrote to memory of 2900	1552	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bf82c025a19541983911e700725fc56435a822b1addbcc6aa8f58dbbb2ed1df.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bf82c025a19541983911e700725fc56435a822b1addbcc6aa8f58dbbb2ed1df.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 220
    3⤵
    - Program crash
    PID:2900

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/1552-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1552-1-0x0000000074D70000-0x0000000074DA1000-memory.dmp

Filesize
196KB

Download
memory/1552-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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