dridex | 9b40939cf436d68f95503157151448475b64beb59157bba6d9b3403eceabd54d

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:21

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General

Target

JaffaCakes118_9b40939cf436d68f95503157151448475b64beb59157bba6d9b3403eceabd54d.dll
Size

161KB
MD5

b914210fb4fdf0c4f975816d3dec46d2
SHA1

421974d8849ea3b78b8b15210b520befb2113959
SHA256

9b40939cf436d68f95503157151448475b64beb59157bba6d9b3403eceabd54d
SHA512

770f9fbb725da572feaf13a679b4149b4b9cc0cee4a4a0945c7ea0d9eaa008ae9c7c2a92448cab16c57bfc811dc6c9d5e4019e11dc375c6ef006a5fa51701731
SSDEEP

3072:/u45bscWrhftr4SOX63M5jY17lh9sDVj9a/KBz9YlYU:m4KcMhVkbK3hDq9E8i

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1488-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1488-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	1488	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 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 1488 wrote to memory of 2352	1488	rundll32.exe	32
PID 1488 wrote to memory of 2352	1488	rundll32.exe	32
PID 1488 wrote to memory of 2352	1488	rundll32.exe	32
PID 1488 wrote to memory of 2352	1488	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9b40939cf436d68f95503157151448475b64beb59157bba6d9b3403eceabd54d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9b40939cf436d68f95503157151448475b64beb59157bba6d9b3403eceabd54d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 256
    3⤵
    - Program crash
    PID:2352

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/1488-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1488-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1488-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1488-4-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download