dridex | 31a1e7f5ea357885fd7c9e624ead84802c3e6cc06b4b68dcf68e03ed4f308f6a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 20:55

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General

Target

bf31164a5deaee1cac41ac616c681fff_JaffaCakes118.dll
Size

184KB
MD5

bf31164a5deaee1cac41ac616c681fff
SHA1

8a1834ea5caf714f8a908e365cf64ba6f28fad95
SHA256

31a1e7f5ea357885fd7c9e624ead84802c3e6cc06b4b68dcf68e03ed4f308f6a
SHA512

e09591fd5efce81bf9a564e7b17bccb0d4a4cbdd4e8d9fa1cc7dd3deb616c337948b11f7ff57b7fd632c32ef94a13471adbec1bc4aad6354fb864e9f42e02627
SSDEEP

3072:Xb51A6VG71Eq55xw1jgDlO1poE2rm4coM+cxJdfhRlmg5e:Xb7tghEq3xw1j4kpP2rmLffxvfhRlme

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2712-1-0x0000000074580000-0x00000000745B0000-memory.dmp	dridex_ldr
behavioral1/memory/2712-2-0x0000000074580000-0x00000000745B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2876	2712	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 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2464 wrote to memory of 2712	2464	rundll32.exe	31
PID 2712 wrote to memory of 2876	2712	rundll32.exe	32
PID 2712 wrote to memory of 2876	2712	rundll32.exe	32
PID 2712 wrote to memory of 2876	2712	rundll32.exe	32
PID 2712 wrote to memory of 2876	2712	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf31164a5deaee1cac41ac616c681fff_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf31164a5deaee1cac41ac616c681fff_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 220
    3⤵
    - Program crash
    PID:2876

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/2712-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2712-1-0x0000000074580000-0x00000000745B0000-memory.dmp

Filesize
192KB

Download
memory/2712-2-0x0000000074580000-0x00000000745B0000-memory.dmp

Filesize
192KB

Download
memory/2712-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download