b3a51f318c72d3a403456ea51ba2ff8d78d0a94d795b88156151a8261aff9523

General

Target

eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
Size

58KB
MD5

eea588d087569e0c85f0546a661db831
SHA1

d962d133d8eba0617faa005d01525448638214a5
SHA256

b3a51f318c72d3a403456ea51ba2ff8d78d0a94d795b88156151a8261aff9523
SHA512

c19573c9c58ff73cbd68dc459ef813af35a4124837b4a990b7526e042c546943958603669921c39b623e8b3f3c74939dc6adca3da2d8b065c52684eaea8fceca
SSDEEP

1536:t1l2d56o8BlC0s2O5zLxvoCPLs144qK2Nf:PgCoUUjJLxgCPLk442

Score

10^/10

discovery evasion persistence privilege_escalation upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe\""	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe\""	spoolsv.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2248	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2096	spoolsv.exe
2288	spoolsv.exe

Loads dropped DLL 3 IoCs

pid	Process
2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
2096	spoolsv.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2816-6-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-8-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-3-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-2-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-9-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-11-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-10-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2816-46-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-64-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-65-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-66-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-67-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-68-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-69-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-70-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-71-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-73-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-74-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-75-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-76-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2288-77-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe\""	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe\""	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe\""	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe\""	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2096 set thread context of 2288	2096	spoolsv.exe	34

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

System Location Discovery: System Language Discovery 1 TTPs 5 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	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
2288	spoolsv.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2816	2756	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	30
PID 2816 wrote to memory of 2248	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2248	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2248	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2248	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2096	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	33
PID 2816 wrote to memory of 2096	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	33
PID 2816 wrote to memory of 2096	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	33
PID 2816 wrote to memory of 2096	2816	eea588d087569e0c85f0546a661db831_JaffaCakes118.exe	33
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34
PID 2096 wrote to memory of 2288	2096	spoolsv.exe	34

C:\Users\Admin\AppData\Local\Temp\eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eea588d087569e0c85f0546a661db831_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eea588d087569e0c85f0546a661db831_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\spoolsv.exe" CityScape Enable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2248
- - C:\Users\Admin\AppData\Roaming\spoolsv.exe
    /d C:\Users\Admin\AppData\Local\Temp\eea588d087569e0c85f0546a661db831_JaffaCakes118.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2096
  - - C:\Users\Admin\AppData\Roaming\spoolsv.exe
      "C:\Users\Admin\AppData\Roaming\spoolsv.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

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

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\spoolsv.exe

Filesize
58KB

MD5
73fd87db5c83ce84855eb4a966082c39

SHA1
4e35025e1a26daa3334429594085dc71e213b6de

SHA256
bbed056721e8de26f02a29b51ef8bddbe9b50e5d61626853b9dc02f64222f922

SHA512
02d19e220695195fcc1a5a926d16065e41dc059dbcd53310a78c9fada42113d09952d0fa1fba3e8df9c38384d965e8dd4dcb19a890eaed01a24ebe2b04e87802

Download Submit
memory/2288-71-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-70-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-64-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-65-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-76-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-75-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-74-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-73-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-69-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-66-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-68-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-77-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-67-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-3-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads