dridex | 8c3c521cba5eb340a9040da3c621a25e03a77d4e7633bd9a738d47af84cbf5d6

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:00

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General

Target

JaffaCakes118_8c3c521cba5eb340a9040da3c621a25e03a77d4e7633bd9a738d47af84cbf5d6.dll
Size

184KB
MD5

3e975ea9ed72a0aa2971f1214cef7dff
SHA1

1fffbe78baa5dbef92c0e2b25d507672cecb1aaa
SHA256

8c3c521cba5eb340a9040da3c621a25e03a77d4e7633bd9a738d47af84cbf5d6
SHA512

e92b2d5eb0bd7e1a4f3e555f89a54ee9796e578894a77c910ded09efed9233466549abf04e0b05c85934ef808d8136316356204ec60db62d65e8e4c3ff212d08
SSDEEP

3072:iiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoLlzoxss7:iiLVCIT4WK2z1W+CUHZj4Skq/eaoxoC

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/2380-1-0x0000000074F60000-0x0000000074F8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2380	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 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2640 wrote to memory of 2380	2640	rundll32.exe	30
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31
PID 2380 wrote to memory of 2824	2380	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c521cba5eb340a9040da3c621a25e03a77d4e7633bd9a738d47af84cbf5d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c521cba5eb340a9040da3c621a25e03a77d4e7633bd9a738d47af84cbf5d6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 220
    3⤵
    - Program crash
    PID:2824

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

Replay Monitor

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Downloads

memory/2380-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x0000000074F60000-0x0000000074F8F000-memory.dmp

Filesize
188KB

Download
memory/2380-4-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download