15660cccc2594e1043ccdd7742db12a05a8d49edcd59ceedcaa71418de6b0aa6

General

Target

be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe
Size

7KB
MD5

be45aef94d632822d6a1125553101fc1
SHA1

d00524936a3ab450b4747fa34c25f1c644a8ebbd
SHA256

15660cccc2594e1043ccdd7742db12a05a8d49edcd59ceedcaa71418de6b0aa6
SHA512

12023780e722b8fc750028824c402d8bfe57ac42d155804a600158bfa00833806846e1edd13b9999ab0d694ff1e9f014a4012af1d785ecdd6a31c81e2e7a753f
SSDEEP

192:j3rP+/JBAej2Ou4hGUKDaFoYl7Obb0bIa3pAM86k6Roh3:jj+BBdbuM7eSCbda3pVFk6GV

Score

8^/10

discovery evasion persistence privilege_escalation upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1124	netsh.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels8.exe"	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernels8.exe	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kernels8.exe	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dlh9jkdq8.exe	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dlh9jkdq8.exe	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2580-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2928	2580	WerFault.exe	29

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	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 1124	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	30
PID 2580 wrote to memory of 1124	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	30
PID 2580 wrote to memory of 1124	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	30
PID 2580 wrote to memory of 1124	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	30
PID 2580 wrote to memory of 2928	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	34
PID 2580 wrote to memory of 2928	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	34
PID 2580 wrote to memory of 2928	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	34
PID 2580 wrote to memory of 2928	2580	be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\be45aef94d632822d6a1125553101fc1_JaffaCakes118.exe' enable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1124
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 764
  2⤵
  - Program crash
  PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\dlh9jkdq8.exe

Filesize
2KB

MD5
86c8e130f10afc0be1dc34bedd08d964

SHA1
2aae8ea8b444afd211e8c9756c07ab562285c218

SHA256
e279b60b0ea01a86c8f98861527aa064db5ade57f6eaf31768ed852f311f5278

SHA512
c57cc9ecd44f30a9005f729ea97d4f736b44fb90c89869f90ead8b569ebc404026661fbd5644d8dcf0e26895000120d785ec505853099ecc51d78cfbc53a3e97

Download Submit
memory/2580-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2580-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads