dridex | a81b1dee0990a67017212910ca34e27cfb5311c5529b4f5bd8e8121f99a121d2

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
22-12-2024 18:31

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General

Target

JaffaCakes118_a81b1dee0990a67017212910ca34e27cfb5311c5529b4f5bd8e8121f99a121d2.dll
Size

184KB
MD5

cd8a688e39d6a60239a10d5d7256aa69
SHA1

a19b5a9202b9b1fe8b17efa21c2f621979abeec8
SHA256

a81b1dee0990a67017212910ca34e27cfb5311c5529b4f5bd8e8121f99a121d2
SHA512

371deac2d84488d318d3bab8780663147a5eda3c94e501973f8756e5796a9201c0e80ced41396f446009b663aeaef75249cd945bde89276e5a9f4e40c66fdaa4
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoolzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eao2oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2696-1-0x0000000074B70000-0x0000000074B9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2696	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 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2696 wrote to memory of 2860	2696	rundll32.exe	31
PID 2696 wrote to memory of 2860	2696	rundll32.exe	31
PID 2696 wrote to memory of 2860	2696	rundll32.exe	31
PID 2696 wrote to memory of 2860	2696	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a81b1dee0990a67017212910ca34e27cfb5311c5529b4f5bd8e8121f99a121d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a81b1dee0990a67017212910ca34e27cfb5311c5529b4f5bd8e8121f99a121d2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 220
    3⤵
    - Program crash
    PID:2860

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/2696-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2696-1-0x0000000074B70000-0x0000000074B9F000-memory.dmp

Filesize
188KB

Download
memory/2696-3-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download