dridex | 370afbe5a560ed7438390e6f03b5de0c0940598728d214459501b08233980a72

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:31

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General

Target

JaffaCakes118_370afbe5a560ed7438390e6f03b5de0c0940598728d214459501b08233980a72.dll
Size

184KB
MD5

5974a2700629d97802d9deb744a12b70
SHA1

0a2f0c861b83697814f92047cd6cb9dfa3ae7bfb
SHA256

370afbe5a560ed7438390e6f03b5de0c0940598728d214459501b08233980a72
SHA512

4a451f4a570a53b2eac88c71fa59ada8fc65775a88b7ef908cec928bc3157e16b373673b58f278c8684958f218631e93b9f9224890b4364441656751e115ba63
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao3lzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoFoC

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/1996-1-0x0000000074B10000-0x0000000074B3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2000	1996	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 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1732 wrote to memory of 1996	1732	rundll32.exe	30
PID 1996 wrote to memory of 2000	1996	rundll32.exe	31
PID 1996 wrote to memory of 2000	1996	rundll32.exe	31
PID 1996 wrote to memory of 2000	1996	rundll32.exe	31
PID 1996 wrote to memory of 2000	1996	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370afbe5a560ed7438390e6f03b5de0c0940598728d214459501b08233980a72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370afbe5a560ed7438390e6f03b5de0c0940598728d214459501b08233980a72.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 220
    3⤵
    - Program crash
    PID:2000

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/1996-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1996-1-0x0000000074B10000-0x0000000074B3F000-memory.dmp

Filesize
188KB

Download
memory/1996-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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