dridex | 1149a20d0632fd97012fdc7bf2d7336e0a2d8f700d2fb098cde2e23fcace0525

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:45

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General

Target

JaffaCakes118_1149a20d0632fd97012fdc7bf2d7336e0a2d8f700d2fb098cde2e23fcace0525.dll
Size

177KB
MD5

3089bb2b7994e610e24cd8a81bb24f26
SHA1

5dded69406d65b934d1ae179bd7ff25ffd65973c
SHA256

1149a20d0632fd97012fdc7bf2d7336e0a2d8f700d2fb098cde2e23fcace0525
SHA512

d1989b4eb9db0a5cedbd00f6b40db8753bd7ebf1d520a81c8240b43983f9ea76ffc742c9055abe2dede0cef867ccd5d5c6dabc501c40cd2b650269e1cac0806b
SSDEEP

3072:auCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:2zWxkOP4p2EesvcDi6DOHPJ

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/2520-0-0x00000000753D0000-0x0000000075401000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	2520	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 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2408 wrote to memory of 2520	2408	rundll32.exe	31
PID 2520 wrote to memory of 2544	2520	rundll32.exe	32
PID 2520 wrote to memory of 2544	2520	rundll32.exe	32
PID 2520 wrote to memory of 2544	2520	rundll32.exe	32
PID 2520 wrote to memory of 2544	2520	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1149a20d0632fd97012fdc7bf2d7336e0a2d8f700d2fb098cde2e23fcace0525.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1149a20d0632fd97012fdc7bf2d7336e0a2d8f700d2fb098cde2e23fcace0525.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 220
    3⤵
    - Program crash
    PID:2544

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/2520-0-0x00000000753D0000-0x0000000075401000-memory.dmp

Filesize
196KB

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memory/2520-2-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

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