d6038bac11bd880dcb7c28aeab4148c281cff4f2f0e5c0bd820a332932bab544

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 23:55

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General

Target

014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll
Size

321KB
MD5

014a4e0f8b5d53c5fd19828160d71c20
SHA1

b9bc8dd7ef8339deab56a744d2d789923b2d6407
SHA256

d6038bac11bd880dcb7c28aeab4148c281cff4f2f0e5c0bd820a332932bab544
SHA512

77c230ac73e7bf1c34fae9e0c33d695a146be8c4960d1a43ca75c9e4538fa327499a6ffee1b4091dda021f44fee23c4eb6e8956b091ee2ea6f18606c43cba91d
SSDEEP

6144:Vha8l+W0ir/7cF3DXWSH3YIoH7ljQu7ynn/kVRA2GgFiorZTd6u4GJOP/lP5yhYh:L3f/K3KSH3Zob5Qgy/N9p256u4lhyhYh

Score

8^/10

persistence upx

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\scbiywnd\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\scbiywnd\Parameters\ServiceDll = "c:\\users\\admin\\appdata\\local\\temp\\014a4e0f8b5d53c5fd19828160d71c20_jaffacakes118.dll"	svchost.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\scbiywnd\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k scbiywnd"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\scbiywnd\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k scbiywnd"	svchost.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/624-0-0x0000000000400000-0x00000000004E4000-memory.dmp	upx
behavioral2/memory/3820-2-0x0000000000400000-0x00000000004E4000-memory.dmp	upx
behavioral2/memory/3820-4-0x0000000000400000-0x00000000004E4000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	svchost.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 624	4976	regsvr32.exe	82
PID 4976 wrote to memory of 624	4976	regsvr32.exe	82
PID 4976 wrote to memory of 624	4976	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\014a4e0f8b5d53c5fd19828160d71c20_JaffaCakes118.dll
  2⤵
  - Server Software Component: Terminal Services DLL
  - Sets service image path in registry
  PID:624

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k scbiywnd -s scbiywnd
1⤵
- Server Software Component: Terminal Services DLL
- Sets service image path in registry
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/624-0-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/624-1-0x0000000001070000-0x0000000001071000-memory.dmp

Filesize
4KB

Download
memory/3820-2-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/3820-3-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/3820-4-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/3820-6-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads