dridex | 6b271c504225e8970e113a96a793aedcb16c15dc8aae9cac4758314c8eef83c2

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:21

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General

Target

JaffaCakes118_6b271c504225e8970e113a96a793aedcb16c15dc8aae9cac4758314c8eef83c2.dll
Size

184KB
MD5

b51ab6258e9bababf0f84932be2cc70c
SHA1

1e20bd41046f07ceacd7b62ae00dc21b309e8cfa
SHA256

6b271c504225e8970e113a96a793aedcb16c15dc8aae9cac4758314c8eef83c2
SHA512

95cce3b04c406d044246f51af180b566dd6940e4206b955152130386b3fd7cc13923bb7a88465261a14439df534a07a36f069098a51f01219935f7823fe562b9
SSDEEP

3072:YJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JMa//2uFrSc:1fYOX+wTScR/Xzku9LVwruG

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/2780-0-0x0000000074BD0000-0x0000000074BFF000-memory.dmp	dridex_ldr
behavioral1/memory/2780-3-0x0000000074BD0000-0x0000000074BFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	2780	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 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2756 wrote to memory of 2780	2756	rundll32.exe	30
PID 2780 wrote to memory of 2764	2780	rundll32.exe	31
PID 2780 wrote to memory of 2764	2780	rundll32.exe	31
PID 2780 wrote to memory of 2764	2780	rundll32.exe	31
PID 2780 wrote to memory of 2764	2780	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b271c504225e8970e113a96a793aedcb16c15dc8aae9cac4758314c8eef83c2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b271c504225e8970e113a96a793aedcb16c15dc8aae9cac4758314c8eef83c2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 220
    3⤵
    - Program crash
    PID:2764

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/2780-0-0x0000000074BD0000-0x0000000074BFF000-memory.dmp

Filesize
188KB

Download
memory/2780-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2780-3-0x0000000074BD0000-0x0000000074BFF000-memory.dmp

Filesize
188KB

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