c7f316c096188bf5ae32f4e9ae3b30f71d776b97c791ba4bdf1d8ea87e71b556

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 03:07

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General

Target

b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe
Size

44KB
MD5

b61f8f7a4ed46719397fcaccfbdf44ce
SHA1

806b9edbb8b2cd99eeb6251342c3dc32cc4cb061
SHA256

c7f316c096188bf5ae32f4e9ae3b30f71d776b97c791ba4bdf1d8ea87e71b556
SHA512

580ac40e4df004c1dfed7ef1694bb56ac3a42c5903b2ec6b52791cfc313cc1f38bbfad62d58a9dfd725548ac6c3fa7775ef386780dde8811c64a9ae7582ac6e0
SSDEEP

384:yzUSlCw0+nj554syYfnoDQugTjurct/SesClaHFbS0L9WboBK4:w37zj55N7fnokbb/RjUtS0xWboBK4

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F1709281-06E7-0C47-72C8-0C174352D86B}	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F1709281-06E7-0C47-72C8-0C174352D86B}\stubpath = "%SystemRoot%\\system32\\vcapi.exe"	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2072	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcapi.exe	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vcapi.exe	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2580	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	30
PID 2096 wrote to memory of 2580	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	30
PID 2096 wrote to memory of 2580	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	30
PID 2096 wrote to memory of 2580	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	30
PID 2096 wrote to memory of 2072	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2072	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2072	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2072	2096	b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b61f8f7a4ed46719397fcaccfbdf44ce_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{F1709281-06E7-0C47-72C8-0C174352D86B}" /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B61F8F~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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