f5f8c910f876c492a682e15221e65f588db2a0cbefbfe10d06c00e1b0e6258ae

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2024, 08:29

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General

Target
8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe
Size 323KB
Sample241031-kd2ttavfll
SHA256 f5f8c910f876c492a682e15221e65f588db2a0cbefbfe10d06c00e1b0e6258ae
MD5 8277c36da0ed4692782bbed4149a32da
SHA1 dda3f52a06dd0d38663de31c710edaba0f87b4fe
SHA512 06ff0576d8550922520233b868984a0e21091be28ce33c958bda96a6f52b543fe9e2e51ae4946949496c0916e353b3e86d26196b856e0cce742faaadde8646b1
SSDEEP 6144:Z9XTRHTXgjaGPtXITbrxeH/+MmvpnPBRUUdNJ2Yp:Z9VTXgjaot4q+9v5BRUWJ/
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery evasion trojan

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 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	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe
488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe
488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe
488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 4428	488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe	87
PID 488 wrote to memory of 4428	488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe	87
PID 488 wrote to memory of 4428	488	8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins6765.bat "C:\Users\Admin\AppData\Local\Temp\8277c36da0ed4692782bbed4149a32da_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

~unins6765.bat

Path C:\Users\Admin\AppData\Local\Temp\~unins6765.bat
Size 49B
SHA256 97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32
MD5 9e0a2f5ab30517809b95a1ff1dd98c53
SHA1 5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce
SHA512 e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42
MD5 SHA1 SHA512

Submit Download

memory/488-0-0x0000000000400000-0x000000000049C000-memory.dmp

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memory/488-1-0x000000000044F000-0x0000000000499000-memory.dmp

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memory/488-2-0x0000000000760000-0x00000000007F5000-memory.dmp

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memory/488-6-0x0000000000400000-0x000000000049C000-memory.dmp

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memory/488-9-0x000000000044F000-0x0000000000499000-memory.dmp

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