dridex | e57e01b3efa8bf044e8ac04e260b0a3de875090daa3af048e303503451631f42

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 22:41

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General

Target

JaffaCakes118_e57e01b3efa8bf044e8ac04e260b0a3de875090daa3af048e303503451631f42.dll
Size

188KB
MD5

1a3b3b3d6348c79774040c3514200860
SHA1

a3fdbced23cd13d89576d42e371217066eb12db4
SHA256

e57e01b3efa8bf044e8ac04e260b0a3de875090daa3af048e303503451631f42
SHA512

82b03f3d62012cf75963eb0b455917908edc28423ec8e5fc094528efcef663bad3162f11a82bd06163e8368225df715f56de70f2cffaaed3c1e285992d7ee437
SSDEEP

3072:SA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo4o:SzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2552-0-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	2552	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 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 2552 wrote to memory of 1708	2552	rundll32.exe	32
PID 2552 wrote to memory of 1708	2552	rundll32.exe	32
PID 2552 wrote to memory of 1708	2552	rundll32.exe	32
PID 2552 wrote to memory of 1708	2552	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e57e01b3efa8bf044e8ac04e260b0a3de875090daa3af048e303503451631f42.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e57e01b3efa8bf044e8ac04e260b0a3de875090daa3af048e303503451631f42.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 300
    3⤵
    - Program crash
    PID:1708

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/2552-0-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

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memory/2552-2-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

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