dridex | 31f8a90ec4602523e07d6cef7e590b4f000556912772813fbf03199225187621

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 14:35

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General

Target

JaffaCakes118_31f8a90ec4602523e07d6cef7e590b4f000556912772813fbf03199225187621.dll
Size

184KB
MD5

7c7c934a0d5c8bb39608fe60b776e49d
SHA1

44c400dfe6e94a58ec04a9a689595a27d69e3b1d
SHA256

31f8a90ec4602523e07d6cef7e590b4f000556912772813fbf03199225187621
SHA512

e86da6aed3de65dedf17b682f1ebdb5511faaf282e8c896342eb8f73850e21c355da11c4fffdd36b1ede47d7599ec0daadd2a84be373281c5a245f2321bc593e
SSDEEP

3072:puwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kjlmsb:j7TXYsd9SkONU1jKGlklm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2424-1-0x00000000750C0000-0x00000000750F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	2424	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 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 1032 wrote to memory of 2424	1032	rundll32.exe	28
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29
PID 2424 wrote to memory of 1944	2424	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f8a90ec4602523e07d6cef7e590b4f000556912772813fbf03199225187621.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f8a90ec4602523e07d6cef7e590b4f000556912772813fbf03199225187621.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 220
    3⤵
    - Program crash
    PID:1944

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/2424-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x00000000750C0000-0x00000000750F0000-memory.dmp

Filesize
192KB

Download
memory/2424-3-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download