b97dfc5e9713b05f1ce85dc7dd9a982af513b271eb06e0dd65f241e6bf75cf50

General

Target

0578321729b1d442e350458365792b58_JaffaCakes118.exe
Size

42KB
MD5

0578321729b1d442e350458365792b58
SHA1

1642eccc79d49086e24781957ad61bc1617ce3eb
SHA256

b97dfc5e9713b05f1ce85dc7dd9a982af513b271eb06e0dd65f241e6bf75cf50
SHA512

d9d79206c579a6ef1c21c6ae077b20124e86e2ef18be595dcf099b8db3fb504b16f3623f718535bfcf0cf14ac84b4ed33f91e59bc5f4723b285786d084b72059
SSDEEP

768:dFDZ297K733ZL4OsPDsJOQICmcS7miUCbCB0ZOYirm3V1yoaChDl1F/oKaW7WXJo:oe18OyszIz7miUCbcYomLaoDHRJaW7

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 5 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	WmInit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	WmInit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	WmInit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	WmInit.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\WmInit.exe = "C:\\Windows\\SysWOW64\\WmInit.exe:*:Enabled:Microsoft Windows Media"	WmInit.exe

Deletes itself 1 IoCs

pid	Process
4868	WmInit.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	WmInit.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\Windows Media = "C:\\Windows\\SysWOW64\\WmInit.exe"	WmInit.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\tmp	WmInit.exe
File opened for modification	C:\Windows\SysWOW64\tmp	0578321729b1d442e350458365792b58_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\tmp	0578321729b1d442e350458365792b58_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WmInit.dat	0578321729b1d442e350458365792b58_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\WmInit.exe	0578321729b1d442e350458365792b58_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WmInit.exe	0578321729b1d442e350458365792b58_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\tmp	WmInit.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	0578321729b1d442e350458365792b58_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WmInit.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 4868	4716	0578321729b1d442e350458365792b58_JaffaCakes118.exe	82
PID 4716 wrote to memory of 4868	4716	0578321729b1d442e350458365792b58_JaffaCakes118.exe	82
PID 4716 wrote to memory of 4868	4716	0578321729b1d442e350458365792b58_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\0578321729b1d442e350458365792b58_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0578321729b1d442e350458365792b58_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Windows\SysWOW64\WmInit.exe
  "C:\Windows\system32\WmInit.exe" "C:\Users\Admin\AppData\Local\Temp\0578321729b1d442e350458365792b58_JaffaCakes118.exe"
  2⤵
  - Modifies firewall policy service
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4868

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

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

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\WmInit.dat

Filesize
8B

MD5
cb9b7eb6230efe62ef7303c050eab2ac

SHA1
656c9af78455b8fc87d336ace06ace7f0b357592

SHA256
6b06ef267c38d23fa4968cbcfc854dcbad32624da0a95c1d0040f22f04897fc3

SHA512
35004b74b3c632db92e21c82a192b90a1b60562af89476827d8863245de747d0ed1296540a5b4afa99bf7e9282f9445278283e0de156ec5d79b9564ac94dcd61

Download Submit
C:\Windows\SysWOW64\WmInit.exe

Filesize
33.4MB

MD5
5d0e24c9886692237fc6225d2d0b954c

SHA1
88e89edefa9b4eb895a78f48a7dd8d3c2fa50479

SHA256
cbe1457268fe8b94f652ae6d21da62e2fe96cd5eb02186069311a25f22c0db68

SHA512
c5d4ef20072d5816630fec5a90ccfb1ab83ab6f695f966a129a4701c78b811d5a78bdc46657eae5f6ec4686b1c14ec60eeaba844ed755d1ff6e96f0aaa5592c3

Download Submit
memory/4716-3-0x0000000000404000-0x0000000000415000-memory.dmp

Filesize
68KB

Download
memory/4716-2-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4716-8-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4716-9-0x0000000000404000-0x0000000000415000-memory.dmp

Filesize
68KB

Download
memory/4716-0-0x0000000000404000-0x0000000000415000-memory.dmp

Filesize
68KB

Download
memory/4868-10-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-12-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-14-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-16-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-18-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-20-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-22-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4868-24-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads