dridex | bcd1dabd3988a8bccb24c6ec8f9d6575df6b9c08ea49e02d7b8069eea0845225

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:26

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General

Target

JaffaCakes118_bcd1dabd3988a8bccb24c6ec8f9d6575df6b9c08ea49e02d7b8069eea0845225.dll
Size

177KB
MD5

6d396a28e0240512cfeb2a44dc8d9789
SHA1

5cff5d11c0c5846ccda4096dc78992c28d7192f3
SHA256

bcd1dabd3988a8bccb24c6ec8f9d6575df6b9c08ea49e02d7b8069eea0845225
SHA512

3eff14b650cdcf2d2345629b36b0fd0aeeae8c4b30bd4c2afe291d6b102a7334ff0aecc0196c9367182b21087009d501b346bd094bd6a43fc72fdb1465291853
SSDEEP

3072:VuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:ZzWxkOP4p2EesvcDi6DOHPJ

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/2396-0-0x0000000074C10000-0x0000000074C41000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2692	2396	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 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2568 wrote to memory of 2396	2568	rundll32.exe	30
PID 2396 wrote to memory of 2692	2396	rundll32.exe	32
PID 2396 wrote to memory of 2692	2396	rundll32.exe	32
PID 2396 wrote to memory of 2692	2396	rundll32.exe	32
PID 2396 wrote to memory of 2692	2396	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcd1dabd3988a8bccb24c6ec8f9d6575df6b9c08ea49e02d7b8069eea0845225.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcd1dabd3988a8bccb24c6ec8f9d6575df6b9c08ea49e02d7b8069eea0845225.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 220
    3⤵
    - Program crash
    PID:2692

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/2396-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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memory/2396-0-0x0000000074C10000-0x0000000074C41000-memory.dmp

Filesize
196KB

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