ec5d9840932325d223a72d791ecaff31335d0ae80f9a4b1b235f8ab41fb395e7

Analysis

max time kernel
142s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 23:07

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General

Target

5e0f64ad5a2e1b2746cf53cc3873ea02_JaffaCakes118.dll
Size

30KB
MD5

5e0f64ad5a2e1b2746cf53cc3873ea02
SHA1

ee6642d781562cecef715c1a010a80fb639681d6
SHA256

ec5d9840932325d223a72d791ecaff31335d0ae80f9a4b1b235f8ab41fb395e7
SHA512

5c175ff065cba5b2d3d3b4dff143d55b52a6d0bda4b27e40dbda54e7e450d02350eba68f39ee17fb35478112095230ef62ad61a7f5379328c07228886250f59a
SSDEEP

768:7ogYVYCjnn1aeIgg68QtFfThfhVbj9KAApsynbcuyD7Ua:7w6gg6ZLhf0Synouy8

Score

8^/10

persistence upx

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\msflxgrdf\Parameters\ServiceDll = "C:\\Windows\\system32\\msflxgrd.ocx.dll"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
4564	svchost.exe
4564	svchost.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2096-0-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/files/0x00090000000233b6-2.dat	upx
behavioral2/memory/4564-5-0x0000000000FD0000-0x0000000000FEB000-memory.dmp	upx
behavioral2/memory/2096-6-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/memory/4564-7-0x0000000000FD0000-0x0000000000FEB000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msflxgrd.ocx.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\msflxgrd.ocx.dll	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 2096	648	rundll32.exe	83
PID 648 wrote to memory of 2096	648	rundll32.exe	83
PID 648 wrote to memory of 2096	648	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e0f64ad5a2e1b2746cf53cc3873ea02_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e0f64ad5a2e1b2746cf53cc3873ea02_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  PID:2096

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:4564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\windows\SysWOW64\msflxgrd.ocx.dll

Filesize
30KB

MD5
5e0f64ad5a2e1b2746cf53cc3873ea02

SHA1
ee6642d781562cecef715c1a010a80fb639681d6

SHA256
ec5d9840932325d223a72d791ecaff31335d0ae80f9a4b1b235f8ab41fb395e7

SHA512
5c175ff065cba5b2d3d3b4dff143d55b52a6d0bda4b27e40dbda54e7e450d02350eba68f39ee17fb35478112095230ef62ad61a7f5379328c07228886250f59a

Download Submit
memory/2096-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2096-6-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4564-5-0x0000000000FD0000-0x0000000000FEB000-memory.dmp

Filesize
108KB

Download
memory/4564-7-0x0000000000FD0000-0x0000000000FEB000-memory.dmp

Filesize
108KB

Download