dridex | 7fbf89b7c45f8884544ddf33f9b080afc7efe68a4f3818e99d2228e0378a336c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:12

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General

Target

JaffaCakes118_7fbf89b7c45f8884544ddf33f9b080afc7efe68a4f3818e99d2228e0378a336c.dll
Size

171KB
MD5

b405accb42243b8807d8083f4c43554e
SHA1

a29dec7ffccfced811fc99c9e7c92d0b7457ed1f
SHA256

7fbf89b7c45f8884544ddf33f9b080afc7efe68a4f3818e99d2228e0378a336c
SHA512

dc56927a2b02761fc840ead3ac62988a9ebd0ba6b58f1e4f2787d5345e97e8c4d69c6d7d8bf4a1ca97adfba9c6f011f3feec25cbb3bb06da9b9657494db1db14
SSDEEP

3072:mi49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:mH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/1200-1-0x00000000749C0000-0x00000000749F0000-memory.dmp	dridex_ldr
behavioral1/memory/1200-2-0x00000000749C0000-0x00000000749F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	1200	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 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 3036 wrote to memory of 1200	3036	rundll32.exe	30
PID 1200 wrote to memory of 2288	1200	rundll32.exe	32
PID 1200 wrote to memory of 2288	1200	rundll32.exe	32
PID 1200 wrote to memory of 2288	1200	rundll32.exe	32
PID 1200 wrote to memory of 2288	1200	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7fbf89b7c45f8884544ddf33f9b080afc7efe68a4f3818e99d2228e0378a336c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7fbf89b7c45f8884544ddf33f9b080afc7efe68a4f3818e99d2228e0378a336c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 256
    3⤵
    - Program crash
    PID:2288

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/1200-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000749C0000-0x00000000749F0000-memory.dmp

Filesize
192KB

Download
memory/1200-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000749C0000-0x00000000749F0000-memory.dmp

Filesize
192KB

Download