dridex | 249d04a3b8e33cf4f85832cd89d5f4c1787e7f0421ad325f2865f2d1af9a1be7

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 19:24

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General

Target

JaffaCakes118_249d04a3b8e33cf4f85832cd89d5f4c1787e7f0421ad325f2865f2d1af9a1be7.dll
Size

184KB
MD5

a26676b52d06faaf58b1d7d2521c2d4c
SHA1

1935c65254497fe828f193b0b5cc8cb18db5363f
SHA256

249d04a3b8e33cf4f85832cd89d5f4c1787e7f0421ad325f2865f2d1af9a1be7
SHA512

98a3147b5c9dab9f93c3f1406efbf2607971305fb5f8716b69d0158236dda472049e2bc51c5209da3e148f4b202ae3f7be4cff4e3666fd75f8f7e5ada0ea225a
SSDEEP

3072:ZJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jua//2uFrSc:afYOX+wTScR/Xzku9LVwpuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2396-1-0x0000000074AE0000-0x0000000074B0F000-memory.dmp	dridex_ldr
behavioral1/memory/2396-2-0x0000000074AE0000-0x0000000074B0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	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 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2996 wrote to memory of 2396	2996	rundll32.exe	30
PID 2396 wrote to memory of 2740	2396	rundll32.exe	31
PID 2396 wrote to memory of 2740	2396	rundll32.exe	31
PID 2396 wrote to memory of 2740	2396	rundll32.exe	31
PID 2396 wrote to memory of 2740	2396	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_249d04a3b8e33cf4f85832cd89d5f4c1787e7f0421ad325f2865f2d1af9a1be7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_249d04a3b8e33cf4f85832cd89d5f4c1787e7f0421ad325f2865f2d1af9a1be7.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:2740

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/2396-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2396-1-0x0000000074AE0000-0x0000000074B0F000-memory.dmp

Filesize
188KB

Download
memory/2396-2-0x0000000074AE0000-0x0000000074B0F000-memory.dmp

Filesize
188KB

Download
memory/2396-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download