dridex | e398b4c8436f4f3ae46a1838838debc7b05394436e52194702e39ace787fa039

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 22:59

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General

Target

JaffaCakes118_e398b4c8436f4f3ae46a1838838debc7b05394436e52194702e39ace787fa039.dll
Size

172KB
MD5

e5b7b02bd79891f1a9a38602b06084e6
SHA1

a4df4e0000f41b69dd9d49475c3f05556d63c0d9
SHA256

e398b4c8436f4f3ae46a1838838debc7b05394436e52194702e39ace787fa039
SHA512

6a6fdf13779ca8ff6242510c53f3f820cf57a8a615fbf880b607b66f97c123fdba3cde3f4a79b3dc15d375a2b2912cdf5ad3a637f4150812456ed60c33cec120
SSDEEP

3072:9WpY/Syz2ita3Un6oaxewXvR2GNYHj8z+7/VczU9vh46WIOY4zmo3zAGW+r:9WpY/S8Z83VewfR2GyxVcA5hvjRCmikG

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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/2316-1-0x0000000074780000-0x00000000747B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2316	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 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2876 wrote to memory of 2316	2876	rundll32.exe	30
PID 2316 wrote to memory of 2812	2316	rundll32.exe	31
PID 2316 wrote to memory of 2812	2316	rundll32.exe	31
PID 2316 wrote to memory of 2812	2316	rundll32.exe	31
PID 2316 wrote to memory of 2812	2316	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e398b4c8436f4f3ae46a1838838debc7b05394436e52194702e39ace787fa039.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e398b4c8436f4f3ae46a1838838debc7b05394436e52194702e39ace787fa039.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 264
    3⤵
    - Program crash
    PID:2812

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/2316-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2316-1-0x0000000074780000-0x00000000747B0000-memory.dmp

Filesize
192KB

Download
memory/2316-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download