dridex | 640b323c9ec2910f395c46050a1b0f37a088e45b0d9be25599fe5215545405a3

Analysis

max time kernel
94s
max time network
142s
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 01:19

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General

Target

JaffaCakes118_640b323c9ec2910f395c46050a1b0f37a088e45b0d9be25599fe5215545405a3.dll
Size

184KB
MD5

8a2cc3526c95c94e444a70299ca93de2
SHA1

24b153f5296f4b35fb508328476405823332b5d9
SHA256

640b323c9ec2910f395c46050a1b0f37a088e45b0d9be25599fe5215545405a3
SHA512

1b252036be5eb640d8bfa5ffeb2928581fd928a5dd3eef55c5a6628eeb6a5c054e5016b34e45bc844cfcbab2d3ec56ee26a01cf26c207d179039c856b463dfa1
SSDEEP

3072:NJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JNa//2uFrSc:2fYOX+wTScR/Xzku9LVwWuG

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/4064-1-0x0000000075120000-0x000000007514F000-memory.dmp	dridex_ldr
behavioral2/memory/4064-2-0x0000000075120000-0x000000007514F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4968	4064	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 4272 wrote to memory of 4064	4272	rundll32.exe	83
PID 4272 wrote to memory of 4064	4272	rundll32.exe	83
PID 4272 wrote to memory of 4064	4272	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640b323c9ec2910f395c46050a1b0f37a088e45b0d9be25599fe5215545405a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640b323c9ec2910f395c46050a1b0f37a088e45b0d9be25599fe5215545405a3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 616
    3⤵
    - Program crash
    PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4064 -ip 4064
1⤵
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

Replay Monitor

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Downloads

memory/4064-0-0x00000000027E0000-0x00000000027E6000-memory.dmp

Filesize
24KB

Download
memory/4064-1-0x0000000075120000-0x000000007514F000-memory.dmp

Filesize
188KB

Download
memory/4064-3-0x00000000027E0000-0x00000000027E6000-memory.dmp

Filesize
24KB

Download
memory/4064-2-0x0000000075120000-0x000000007514F000-memory.dmp

Filesize
188KB

Download