dee42f8826f499107623a1be497b6bbac7a3bf337fa8812f6bb8041024bff3e5

General

Target

8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
Size

448KB
MD5

8a1562b547d71827621e8e992c852d65
SHA1

e0d1918b955eacc58568a3df4735b3f0f203e542
SHA256

dee42f8826f499107623a1be497b6bbac7a3bf337fa8812f6bb8041024bff3e5
SHA512

91d883f18f1e203985b1401b36ed5009a71d65dba5d0096db38f495a8492e770f8797dfcb2dab7c10f25e62bd448715128cb3a47c876085fc226494a6972f739
SSDEEP

3072:ONocFcj9+1iVJjtkfeIBStSR2CDyNdYyoHxNTo45cfEpDiODWxJRMdf1pteNU2CS:LcFNz2bzRiJeNU6cue6lw3sDB+0xAC7

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\\lsass.exe\""	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
292	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2536	lsass.exe
2484	lsass.exe

Loads dropped DLL 3 IoCs

pid	Process
2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
2536	lsass.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-0-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2448-3-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2448-7-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2448-6-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2704-5-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/files/0x0007000000012119-12.dat	upx
behavioral1/memory/2448-23-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2536-28-0x0000000001BE0000-0x0000000001C52000-memory.dmp	upx
behavioral1/memory/2484-37-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2536-36-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2484-38-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-39-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-40-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-41-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-42-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-43-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-44-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-45-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-46-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-47-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-48-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-49-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-50-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2484-51-0x0000000000400000-0x0000000000420000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2536 set thread context of 2484	2536	lsass.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
2536	lsass.exe
2484	lsass.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2448	2704	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	30
PID 2448 wrote to memory of 292	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	31
PID 2448 wrote to memory of 292	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	31
PID 2448 wrote to memory of 292	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	31
PID 2448 wrote to memory of 292	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	31
PID 2448 wrote to memory of 2536	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	33
PID 2448 wrote to memory of 2536	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	33
PID 2448 wrote to memory of 2536	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	33
PID 2448 wrote to memory of 2536	2448	8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe	33
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34
PID 2536 wrote to memory of 2484	2536	lsass.exe	34

C:\Users\Admin\AppData\Local\Temp\8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8a1562b547d71827621e8e992c852d65_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:2448
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\lsass.exe" CityScape Enable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:292
- - C:\Users\Admin\AppData\Roaming\lsass.exe
    /d C:\Users\Admin\AppData\Local\Temp\8a1562b547d71827621e8e992c852d65_JaffaCakes118.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2536
  - - C:\Users\Admin\AppData\Roaming\lsass.exe
      "C:\Users\Admin\AppData\Roaming\lsass.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:2484

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

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Downloads

\Users\Admin\AppData\Roaming\lsass.exe

Filesize
448KB

MD5
3ef3ad5b31ff76006b9c3beaaf5ac4e1

SHA1
e77cd732d8e65bacaf87d415e526b4e9dfd9e04f

SHA256
68503832057f625f853679736fda96b732f0c4fc6b3373323f2ccd303166307e

SHA512
9e4d98532d7fb7aa823a0a7a3f39b704f3970dcf2875251e3daec6257004febba647de492c9319cf656d3823e61202b2ace0baa211fc500e50dcbd6d397f82ff

Download Submit
memory/2448-23-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2448-3-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2448-7-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2448-6-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2448-19-0x0000000002730000-0x00000000027A2000-memory.dmp

Filesize
456KB

Download
memory/2448-18-0x0000000002730000-0x00000000027A2000-memory.dmp

Filesize
456KB

Download
memory/2484-38-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-46-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-51-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-37-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-50-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-49-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-39-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-40-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-41-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-42-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-43-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-44-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-45-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-48-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2484-47-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2536-36-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2536-28-0x0000000001BE0000-0x0000000001C52000-memory.dmp

Filesize
456KB

Download
memory/2704-5-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2704-0-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads