dridex | 4039e1ff7c1fe2e768b02c65224c4e14f0daadb776b8e1bc0f6598853df4842e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:23

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General

Target

JaffaCakes118_4039e1ff7c1fe2e768b02c65224c4e14f0daadb776b8e1bc0f6598853df4842e.dll
Size

184KB
MD5

d83c911065b79553ddba30cdb61daaf9
SHA1

629a50e8735228fa07e67cf6fb130436ad84b057
SHA256

4039e1ff7c1fe2e768b02c65224c4e14f0daadb776b8e1bc0f6598853df4842e
SHA512

d4994895c63c059b0283efd428d152cfafd02e9d93e3481f6dae2fb9499456935d84869e1247b94f73ef28592fc68000e8f1e3919e7910f555100153c0fb2adf
SSDEEP

3072:ZiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoelzoxss7:ZiLVCIT4WK2z1W+CUHZj4Skq/eao8oC

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/1784-1-0x0000000075080000-0x00000000750AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	1784	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 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1784 wrote to memory of 2520	1784	rundll32.exe	32
PID 1784 wrote to memory of 2520	1784	rundll32.exe	32
PID 1784 wrote to memory of 2520	1784	rundll32.exe	32
PID 1784 wrote to memory of 2520	1784	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4039e1ff7c1fe2e768b02c65224c4e14f0daadb776b8e1bc0f6598853df4842e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4039e1ff7c1fe2e768b02c65224c4e14f0daadb776b8e1bc0f6598853df4842e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 220
    3⤵
    - Program crash
    PID:2520

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/1784-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1784-1-0x0000000075080000-0x00000000750AF000-memory.dmp

Filesize
188KB

Download
memory/1784-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download