dridex | 1a63a888af9224df2a1428e58036d88cda3c982df135c2fa470759c0ec0b4536

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 01:00

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General

Target

JaffaCakes118_1a63a888af9224df2a1428e58036d88cda3c982df135c2fa470759c0ec0b4536.dll
Size

184KB
MD5

3869ead858b0b64bfe2236ed02d4ad91
SHA1

5b0f75d97b0f8a8d161915b49a43ffd6722da4f5
SHA256

1a63a888af9224df2a1428e58036d88cda3c982df135c2fa470759c0ec0b4536
SHA512

a999f8153970a0a0244a2b1f5e7dd2ea99a49df9379977ab422e294ec28f6fa1e98587055d3329eb045fc8738c45755f912171d778b09d68fe2fbd79fb33f976
SSDEEP

3072:QiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaowlzoxss7:QiLVCIT4WK2z1W+CUHZj4Skq/eaoOoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2312-1-0x0000000074E00000-0x0000000074E2F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	2312	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 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2136 wrote to memory of 2312	2136	rundll32.exe	30
PID 2312 wrote to memory of 2752	2312	rundll32.exe	31
PID 2312 wrote to memory of 2752	2312	rundll32.exe	31
PID 2312 wrote to memory of 2752	2312	rundll32.exe	31
PID 2312 wrote to memory of 2752	2312	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a63a888af9224df2a1428e58036d88cda3c982df135c2fa470759c0ec0b4536.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a63a888af9224df2a1428e58036d88cda3c982df135c2fa470759c0ec0b4536.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 220
    3⤵
    - Program crash
    PID:2752

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/2312-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x0000000074E00000-0x0000000074E2F000-memory.dmp

Filesize
188KB

Download
memory/2312-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download