dridex | 4a9cfed7dc37e716ee599a163fe34706c64997284f073c81e2f9a8a5c59755b7

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 14:51

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General

Target

JaffaCakes118_4a9cfed7dc37e716ee599a163fe34706c64997284f073c81e2f9a8a5c59755b7.dll
Size

184KB
MD5

646efa069525289fb38882f1e94fff55
SHA1

a7e8dc14addd05653cced573a62e4a7b0ea1b9d3
SHA256

4a9cfed7dc37e716ee599a163fe34706c64997284f073c81e2f9a8a5c59755b7
SHA512

89e7b1b86d931f03684fc4f82d2fdc93d6546917e9c53fff3260ce79140131af1c17d57df2c2173fcebfab155777748498bde4cb195ad5b0719e4399a8497a32
SSDEEP

3072:ziLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaozlzoxss7:ziLVCIT4WK2z1W+CUHZj4Skq/eaopoC

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/1648-1-0x00000000751A0000-0x00000000751CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	1648	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 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 2652 wrote to memory of 1648	2652	rundll32.exe	30
PID 1648 wrote to memory of 2380	1648	rundll32.exe	31
PID 1648 wrote to memory of 2380	1648	rundll32.exe	31
PID 1648 wrote to memory of 2380	1648	rundll32.exe	31
PID 1648 wrote to memory of 2380	1648	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a9cfed7dc37e716ee599a163fe34706c64997284f073c81e2f9a8a5c59755b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a9cfed7dc37e716ee599a163fe34706c64997284f073c81e2f9a8a5c59755b7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 220
    3⤵
    - Program crash
    PID:2380

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/1648-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1648-1-0x00000000751A0000-0x00000000751CF000-memory.dmp

Filesize
188KB

Download
memory/1648-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download