dridex | 941f82bfd4d92dcd039418c8e0c9434b0b857ccbd3cea4c79441282a212cbf22

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 20:26

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General

Target

JaffaCakes118_941f82bfd4d92dcd039418c8e0c9434b0b857ccbd3cea4c79441282a212cbf22.dll
Size

184KB
MD5

e365755fb17ddfc1f25d34f7907ebf92
SHA1

657e3e027a709abd810ab3809d28cba0b04fab70
SHA256

941f82bfd4d92dcd039418c8e0c9434b0b857ccbd3cea4c79441282a212cbf22
SHA512

2b4f85707f1f9ba75ad5f5cf9f75adb900a91206a1e9cb35c854f9ea5a52d447fb9d4b9436831a9ae9b65fdeb627f65d2ed4e14ebcbbfedc7b47ffec439b7d10
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaotlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaojoC

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
behavioral2/memory/3884-1-0x00000000752A0000-0x00000000752CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2044	3884	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 4396 wrote to memory of 3884	4396	rundll32.exe	83
PID 4396 wrote to memory of 3884	4396	rundll32.exe	83
PID 4396 wrote to memory of 3884	4396	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_941f82bfd4d92dcd039418c8e0c9434b0b857ccbd3cea4c79441282a212cbf22.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_941f82bfd4d92dcd039418c8e0c9434b0b857ccbd3cea4c79441282a212cbf22.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 616
    3⤵
    - Program crash
    PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3884 -ip 3884
1⤵
PID:4168

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/3884-0-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3884-1-0x00000000752A0000-0x00000000752CF000-memory.dmp

Filesize
188KB

Download
memory/3884-3-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download