dridex | a3a66a06bd5909e22f799787c28c07a0491f2d2d4b8913bb6fdd8a72a9942803

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 21:01

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General

Target

JaffaCakes118_a3a66a06bd5909e22f799787c28c07a0491f2d2d4b8913bb6fdd8a72a9942803.dll
Size

184KB
MD5

7969f1ba1ecdbd7020fe5400fa430e46
SHA1

9521fefb3d0e4049c47961ceff4c5eb2e6285ea7
SHA256

a3a66a06bd5909e22f799787c28c07a0491f2d2d4b8913bb6fdd8a72a9942803
SHA512

8fa6d33db189dd4e23f189d227bb297ea0f10ad752d04c31b47bdf20d51b8892a6082c4973cbff43c6f6a08a374ff240617bdd446ad8e9ea15985951dc94e543
SSDEEP

3072:ViLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao5lzoxss7:ViLVCIT4WK2z1W+CUHZj4Skq/eaonoC

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/2488-1-0x0000000074B80000-0x0000000074BAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2060	2488	WerFault.exe	31

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 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 1800 wrote to memory of 2488	1800	rundll32.exe	31
PID 2488 wrote to memory of 2060	2488	rundll32.exe	32
PID 2488 wrote to memory of 2060	2488	rundll32.exe	32
PID 2488 wrote to memory of 2060	2488	rundll32.exe	32
PID 2488 wrote to memory of 2060	2488	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a66a06bd5909e22f799787c28c07a0491f2d2d4b8913bb6fdd8a72a9942803.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a66a06bd5909e22f799787c28c07a0491f2d2d4b8913bb6fdd8a72a9942803.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 220
    3⤵
    - Program crash
    PID:2060

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/2488-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2488-1-0x0000000074B80000-0x0000000074BAF000-memory.dmp

Filesize
188KB

Download
memory/2488-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download