dridex | aa77a11d5427293ae101b150c56bb151ee04c00cf03c5314826fe13aaf77eadb

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:01

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General

Target

JaffaCakes118_aa77a11d5427293ae101b150c56bb151ee04c00cf03c5314826fe13aaf77eadb.dll
Size

188KB
MD5

0d727cdb6f0556eed46f71899f80a042
SHA1

4a73ba898868b91dd23f7fa175c0b2bac14c7a6f
SHA256

aa77a11d5427293ae101b150c56bb151ee04c00cf03c5314826fe13aaf77eadb
SHA512

f7a9fa2c57d3df5e3d28beab2d7fb2f5bd9e61528a7b794cef87823d43996402fe5e34c62913477679e012cea5aa5c501a17e135fca17252f0c1b87baa2974e4
SSDEEP

3072:1teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzS9qM:Rq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1352-1-0x0000000074B50000-0x0000000074B80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	1352	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 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 1352 wrote to memory of 2488	1352	rundll32.exe	32
PID 1352 wrote to memory of 2488	1352	rundll32.exe	32
PID 1352 wrote to memory of 2488	1352	rundll32.exe	32
PID 1352 wrote to memory of 2488	1352	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa77a11d5427293ae101b150c56bb151ee04c00cf03c5314826fe13aaf77eadb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa77a11d5427293ae101b150c56bb151ee04c00cf03c5314826fe13aaf77eadb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 300
    3⤵
    - Program crash
    PID:2488

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/1352-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1352-1-0x0000000074B50000-0x0000000074B80000-memory.dmp

Filesize
192KB

Download
memory/1352-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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