dridex | 4f4f7af9ad4c92339fa970f58f42142a2f8e36cdeae64daae337022433f63074

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:32

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General

Target

JaffaCakes118_4f4f7af9ad4c92339fa970f58f42142a2f8e36cdeae64daae337022433f63074.dll
Size

188KB
MD5

55eb1124d1b7d2b5035f253b18423cc0
SHA1

a9455adb9ca61e6b76167195644fc3213fa0765f
SHA256

4f4f7af9ad4c92339fa970f58f42142a2f8e36cdeae64daae337022433f63074
SHA512

57e6361184018d4f03e5b1be6ec2d1b3942f4157478981ec12e981ad4367acb0667e455871ae702df14ecee5f50550c04c38dd3b4892e8b69421202789012cc3
SSDEEP

3072:+teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzY9qM:2q7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/2856-1-0x00000000748B0000-0x00000000748E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1996	2856	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 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f4f7af9ad4c92339fa970f58f42142a2f8e36cdeae64daae337022433f63074.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f4f7af9ad4c92339fa970f58f42142a2f8e36cdeae64daae337022433f63074.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 300
    3⤵
    - Program crash
    PID:1996

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/2856-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2856-1-0x00000000748B0000-0x00000000748E0000-memory.dmp

Filesize
192KB

Download
memory/2856-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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