7e93f48cadbf07826b53fdb3bcc6981db6e7f9fa7b61afcd286f38f9b593a29a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 03:11

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General

Target

0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe
Size

244KB
MD5

0da26e291855b459aa063defe3429fb2
SHA1

1d973d4b3a97d102b3145fd8820cff19aacace73
SHA256

7e93f48cadbf07826b53fdb3bcc6981db6e7f9fa7b61afcd286f38f9b593a29a
SHA512

da99c2c923951e6438ae6785d028060d1ce600a15c3a62777c87bceb7a0de8ef88b8327e6fd9cbac12c20e984bad6bdf32c2b88e401080efdf18c725d4d76b82
SSDEEP

3072:Ubfb1MGtnumg7/g8X/i96loBea4oxnTORAu4GHsUNOEJBI/ap05O0tHHxo:UbT1ttnumo/f696yj4tKTGsUEEJAKaxo

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2512	uninstall.exe

Loads dropped DLL 4 IoCs

pid	Process
1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe
2512	uninstall.exe
2512	uninstall.exe
2512	uninstall.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	uninstall.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	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2512	uninstall.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe
2512	uninstall.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30
PID 1976 wrote to memory of 2512	1976	0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0da26e291855b459aa063defe3429fb2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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

\Users\Admin\AppData\Local\Temp\uninstall.exe

Filesize
244KB

MD5
0da26e291855b459aa063defe3429fb2

SHA1
1d973d4b3a97d102b3145fd8820cff19aacace73

SHA256
7e93f48cadbf07826b53fdb3bcc6981db6e7f9fa7b61afcd286f38f9b593a29a

SHA512
da99c2c923951e6438ae6785d028060d1ce600a15c3a62777c87bceb7a0de8ef88b8327e6fd9cbac12c20e984bad6bdf32c2b88e401080efdf18c725d4d76b82

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