dridex | 5bf66b1ed9566938fbf0f3466d60aa34ab2080c4ea063f53f371145f557b3d15

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:30

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General

Target

JaffaCakes118_5bf66b1ed9566938fbf0f3466d60aa34ab2080c4ea063f53f371145f557b3d15.dll
Size

184KB
MD5

26c7e006eaefc33b219324aaedb3b6bf
SHA1

455b916531a617478cb7582826229e41bc938e3f
SHA256

5bf66b1ed9566938fbf0f3466d60aa34ab2080c4ea063f53f371145f557b3d15
SHA512

20d989b768b7ea41f7cce27e0627894c3819a637a0eb800bd9e84a7932569da26ed0f776a63ffc0943e1694f09e5a609165c78ca8f8ea827875a64f5a5c48e47
SSDEEP

3072:7iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoylzoxss7:7iLVCIT4WK2z1W+CUHZj4Skq/eao4oC

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/296-1-0x0000000074D00000-0x0000000074D2F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	296	WerFault.exe	31

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 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 2264 wrote to memory of 296	2264	rundll32.exe	31
PID 296 wrote to memory of 2396	296	rundll32.exe	32
PID 296 wrote to memory of 2396	296	rundll32.exe	32
PID 296 wrote to memory of 2396	296	rundll32.exe	32
PID 296 wrote to memory of 2396	296	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5bf66b1ed9566938fbf0f3466d60aa34ab2080c4ea063f53f371145f557b3d15.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5bf66b1ed9566938fbf0f3466d60aa34ab2080c4ea063f53f371145f557b3d15.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 296 -s 220
    3⤵
    - Program crash
    PID:2396

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

Replay Monitor

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Downloads

memory/296-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/296-1-0x0000000074D00000-0x0000000074D2F000-memory.dmp

Filesize
188KB

Download
memory/296-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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