dridex | 76fa08f97fd40d9874cf739d3b771b634f27756f2fefaee0cce1f08fd508977b

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 17:24

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General

Target

JaffaCakes118_76fa08f97fd40d9874cf739d3b771b634f27756f2fefaee0cce1f08fd508977b.dll
Size

188KB
MD5

b88c114e1c0a3e1f4e9b6f915bceca6f
SHA1

645483157e451605c186a67ed37b15e9aeccdcae
SHA256

76fa08f97fd40d9874cf739d3b771b634f27756f2fefaee0cce1f08fd508977b
SHA512

be95985d2f28eb5c5becfc4f9fd48913e9d2cee3d2071582f16de75b41c5573c6af30ae8f1fa897f55bba278b7c11107b3080f754d41055b5573474dad97fbae
SSDEEP

3072:3A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoto:3zIqATVfQeV2FZalKq6jtGJWuTmd

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/2504-1-0x0000000074E70000-0x0000000074EA0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2368	2504	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 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2112 wrote to memory of 2504	2112	rundll32.exe	30
PID 2504 wrote to memory of 2368	2504	rundll32.exe	31
PID 2504 wrote to memory of 2368	2504	rundll32.exe	31
PID 2504 wrote to memory of 2368	2504	rundll32.exe	31
PID 2504 wrote to memory of 2368	2504	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76fa08f97fd40d9874cf739d3b771b634f27756f2fefaee0cce1f08fd508977b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76fa08f97fd40d9874cf739d3b771b634f27756f2fefaee0cce1f08fd508977b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 300
    3⤵
    - Program crash
    PID:2368

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/2504-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2504-1-0x0000000074E70000-0x0000000074EA0000-memory.dmp

Filesize
192KB

Download
memory/2504-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download