dridex | c8b4b90c41d98337621f4674f5a33d125c57db5e95a3166791ee91365d8f7c8e

Analysis

max time kernel
84s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:31

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General

Target

JaffaCakes118_c8b4b90c41d98337621f4674f5a33d125c57db5e95a3166791ee91365d8f7c8e.dll
Size

184KB
MD5

ad2fda93f4d0d6773d559c08d760bcc0
SHA1

8654a72f9763507daf57c03df35d2cc777a8bb00
SHA256

c8b4b90c41d98337621f4674f5a33d125c57db5e95a3166791ee91365d8f7c8e
SHA512

62635b23ab9d368b96e904ec4b1e85467303a123d7937da317626861557a8b17dd2fb188a55239ec62130168e22ce9c0f577b2939441ff99e034a5265a7b30e6
SSDEEP

3072:wW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmmWx9ixCH0u:b8qh+66QsRdNiBW/06ngmmWexC

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/2164-1-0x0000000074A50000-0x0000000074A80000-memory.dmp	dridex_ldr
behavioral1/memory/2164-2-0x0000000074A50000-0x0000000074A80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	2164	WerFault.exe	29

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 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 1308 wrote to memory of 2164	1308	rundll32.exe	29
PID 2164 wrote to memory of 3036	2164	rundll32.exe	30
PID 2164 wrote to memory of 3036	2164	rundll32.exe	30
PID 2164 wrote to memory of 3036	2164	rundll32.exe	30
PID 2164 wrote to memory of 3036	2164	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c8b4b90c41d98337621f4674f5a33d125c57db5e95a3166791ee91365d8f7c8e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c8b4b90c41d98337621f4674f5a33d125c57db5e95a3166791ee91365d8f7c8e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 220
    3⤵
    - Program crash
    PID:3036

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/2164-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2164-1-0x0000000074A50000-0x0000000074A80000-memory.dmp

Filesize
192KB

Download
memory/2164-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2164-2-0x0000000074A50000-0x0000000074A80000-memory.dmp

Filesize
192KB

Download