dridex | 4b3d1759cf545ce658930d34d6b6eb9dea095df9060d25e8d06e328986fcb83c

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:53

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General

Target

JaffaCakes118_4b3d1759cf545ce658930d34d6b6eb9dea095df9060d25e8d06e328986fcb83c.dll
Size

177KB
MD5

03fc11b20cca6bd534ee2117e346d047
SHA1

ba8a3b43d33a0ccf5d4f554c2ba8f3f656dbdfe9
SHA256

4b3d1759cf545ce658930d34d6b6eb9dea095df9060d25e8d06e328986fcb83c
SHA512

5cb54157bec583176497cd5e9e4f5b37334d46f20a69eeb1eb2929337406d1862c399ea0f9f4f82dddbbe2dd94b0646731e17662d28654900b7976853fa9490a
SSDEEP

3072:OuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:izWxkOP4p2EesvcDi6DOHPJ

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/2732-1-0x0000000074ED0000-0x0000000074F01000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	2732	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 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2732 wrote to memory of 2796	2732	rundll32.exe	31
PID 2732 wrote to memory of 2796	2732	rundll32.exe	31
PID 2732 wrote to memory of 2796	2732	rundll32.exe	31
PID 2732 wrote to memory of 2796	2732	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b3d1759cf545ce658930d34d6b6eb9dea095df9060d25e8d06e328986fcb83c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b3d1759cf545ce658930d34d6b6eb9dea095df9060d25e8d06e328986fcb83c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 224
    3⤵
    - Program crash
    PID:2796

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/2732-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2732-1-0x0000000074ED0000-0x0000000074F01000-memory.dmp

Filesize
196KB

Download
memory/2732-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download