dridex | 81a8ea360bbafb27712049ec2423279569f678ad34f507391d01f9f2b76db2f6

Analysis

max time kernel
92s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 00:16

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General

Target

JaffaCakes118_81a8ea360bbafb27712049ec2423279569f678ad34f507391d01f9f2b76db2f6.dll
Size

184KB
MD5

1b4b4e3a8c20aa5fcaaff457762446d8
SHA1

221300b900553ea171948cf88fd440d34a6c4f4f
SHA256

81a8ea360bbafb27712049ec2423279569f678ad34f507391d01f9f2b76db2f6
SHA512

c9e7cd1454d46cfd246ee45d5d58c5e3a612edd40216a7c7fffebdce22de2665acf7f3cd4ce8dd217be4c3b165df50415bb162941c88e5c412dad02aa4e31060
SSDEEP

3072:pJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Joa//2uFrSc:KfYOX+wTScR/Xzku9LVwLuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3200-1-0x0000000074950000-0x000000007497F000-memory.dmp	dridex_ldr
behavioral2/memory/3200-2-0x0000000074950000-0x000000007497F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1924	3200	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 32 wrote to memory of 3200	32	rundll32.exe	83
PID 32 wrote to memory of 3200	32	rundll32.exe	83
PID 32 wrote to memory of 3200	32	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81a8ea360bbafb27712049ec2423279569f678ad34f507391d01f9f2b76db2f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:32
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81a8ea360bbafb27712049ec2423279569f678ad34f507391d01f9f2b76db2f6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 616
    3⤵
    - Program crash
    PID:1924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3200 -ip 3200
1⤵
PID:4500

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/3200-0-0x00000000027E0000-0x00000000027E6000-memory.dmp

Filesize
24KB

Download
memory/3200-1-0x0000000074950000-0x000000007497F000-memory.dmp

Filesize
188KB

Download
memory/3200-2-0x0000000074950000-0x000000007497F000-memory.dmp

Filesize
188KB

Download
memory/3200-3-0x00000000027E0000-0x00000000027E6000-memory.dmp

Filesize
24KB

Download