298ecd7b16625f49a3e79c0480788afdcfbe1bfd46e42f0871a544e27a75e665

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 04:38

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General

Target

ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
Size

1.8MB
MD5

ea9959027a40f8f790dc0437babbe4f5
SHA1

1a36009d24064efe1990191aa8f680f94b54a837
SHA256

298ecd7b16625f49a3e79c0480788afdcfbe1bfd46e42f0871a544e27a75e665
SHA512

a3b77ec01ca31de2fc42a4f08e91c21026dc4eca3cf7b71e970618988c50b654b7743b31fd59f24294e21796d5f1b40c6da2dd86f2f8c143eb6e1140289792c3
SSDEEP

49152:+6hpLjGi4n7PvMlN9s1UgAmMkp12yX3dObIJfN:+LiKPvoKmgHMwndOi

Score

9^/10

discovery evasion persistence

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	sckclnt.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	sckclnt.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	sckclnt.exe

Deletes itself 1 IoCs

pid	Process
2592	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2568	sckclnt.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	sckclnt.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Socket Client = "c:\\windows\\java32\\sckclnt.exe"	sckclnt.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
2568	sckclnt.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\java32\sckclnt.exe	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
File opened for modification	\??\c:\windows\java32\sckclnt.exe	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sckclnt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
2568	sckclnt.exe
2568	sckclnt.exe
2568	sckclnt.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2568	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2568	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2568	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2568	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2592	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	31
PID 2248 wrote to memory of 2592	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	31
PID 2248 wrote to memory of 2592	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	31
PID 2248 wrote to memory of 2592	2248	ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2248
- C:\windows\java32\sckclnt.exe
  "C:\windows\java32\sckclnt.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2568
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2592

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.bat

Filesize
296B

MD5
71f3caf9af9355ccc528e85a8f27bec8

SHA1
c9c2b5f44cd6e52fab6a49a0887392eef0a4b5c2

SHA256
6d814fa3827a0d1e3264248c352f93f010240e92817de1399c7cd1e2b549d6e5

SHA512
e1611e4b7332aa035655e04e7cdd68a113980e8e0037bd22e409fde86826538b1bd01b96f97158ccfa04f3d3585d12010eb053533ae627f5240420a4f5818c20

Download Submit
\Windows\java32\sckclnt.exe

Filesize
1.8MB

MD5
ea9959027a40f8f790dc0437babbe4f5

SHA1
1a36009d24064efe1990191aa8f680f94b54a837

SHA256
298ecd7b16625f49a3e79c0480788afdcfbe1bfd46e42f0871a544e27a75e665

SHA512
a3b77ec01ca31de2fc42a4f08e91c21026dc4eca3cf7b71e970618988c50b654b7743b31fd59f24294e21796d5f1b40c6da2dd86f2f8c143eb6e1140289792c3

Download Submit
memory/2248-24-0x0000000005D50000-0x0000000006312000-memory.dmp

Filesize
5.8MB

Download
memory/2248-1-0x0000000077920000-0x0000000077922000-memory.dmp

Filesize
8KB

Download
memory/2248-3-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2248-2-0x0000000000401000-0x0000000000474000-memory.dmp

Filesize
460KB

Download
memory/2248-6-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2248-5-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2248-21-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2248-13-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2248-22-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2248-0-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-33-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-39-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-31-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-30-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-29-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-28-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-32-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-34-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-25-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-35-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-36-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-37-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-38-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-27-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-40-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-41-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-42-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-43-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-44-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-45-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-46-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-47-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-48-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-49-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-50-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-51-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-52-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download
memory/2568-53-0x0000000000400000-0x00000000009C2000-memory.dmp

Filesize
5.8MB

Download