dridex | 6e9a1737651e19db14600d0494577a752dff7d7f8f67d3c1634f5c9f5d1581a3

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:06

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General

Target

JaffaCakes118_6e9a1737651e19db14600d0494577a752dff7d7f8f67d3c1634f5c9f5d1581a3.dll
Size

184KB
MD5

07a1fdd8ca29be7316570732a7970b6a
SHA1

66a7002db95398b8c65564ffeb30218dd008944c
SHA256

6e9a1737651e19db14600d0494577a752dff7d7f8f67d3c1634f5c9f5d1581a3
SHA512

2c76acf7798423470f36e5494a688c28a457d4ff35fdf235133812011e58616ab9baf7c70f16c5d2dbed3bff3777bfbd789cb079a3b5ea64e2bd04c1cee86804
SSDEEP

3072:XgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgSdA4l:SPFkq6zOe5ilSanOFd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1664-1-0x00000000750C0000-0x00000000750F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	1664	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 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 3044 wrote to memory of 1664	3044	rundll32.exe	30
PID 1664 wrote to memory of 2752	1664	rundll32.exe	31
PID 1664 wrote to memory of 2752	1664	rundll32.exe	31
PID 1664 wrote to memory of 2752	1664	rundll32.exe	31
PID 1664 wrote to memory of 2752	1664	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e9a1737651e19db14600d0494577a752dff7d7f8f67d3c1634f5c9f5d1581a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e9a1737651e19db14600d0494577a752dff7d7f8f67d3c1634f5c9f5d1581a3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 224
    3⤵
    - Program crash
    PID:2752

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/1664-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1664-1-0x00000000750C0000-0x00000000750F0000-memory.dmp

Filesize
192KB

Download
memory/1664-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download