dridex | 641fe1ebe2d40a1f4a0ae2972b8cb2c155604635320255cd54e343709c2d165c

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
25-12-2024 06:56

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General

Target

JaffaCakes118_641fe1ebe2d40a1f4a0ae2972b8cb2c155604635320255cd54e343709c2d165c.dll
Size

184KB
MD5

fa6c4c5c601239c53f7623080aaba7f5
SHA1

cba8c7d98ae1262d29ded108ba7f68659d3c8b27
SHA256

641fe1ebe2d40a1f4a0ae2972b8cb2c155604635320255cd54e343709c2d165c
SHA512

465f8ba33b6baf1e987df36a1c75507bc0f92fe406f00b5df9af777a51c73957ac2e9cbea6f6fab8d7e85412ef85252a5105daf6fc8e8485976f79973a9f3bc2
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaollzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoroC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2272-1-0x00000000745F0000-0x000000007461F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	2272	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 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2340 wrote to memory of 2272	2340	rundll32.exe	30
PID 2272 wrote to memory of 1892	2272	rundll32.exe	31
PID 2272 wrote to memory of 1892	2272	rundll32.exe	31
PID 2272 wrote to memory of 1892	2272	rundll32.exe	31
PID 2272 wrote to memory of 1892	2272	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_641fe1ebe2d40a1f4a0ae2972b8cb2c155604635320255cd54e343709c2d165c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_641fe1ebe2d40a1f4a0ae2972b8cb2c155604635320255cd54e343709c2d165c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 220
    3⤵
    - Program crash
    PID:1892

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/2272-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2272-1-0x00000000745F0000-0x000000007461F000-memory.dmp

Filesize
188KB

Download
memory/2272-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download