fcfcbef0c3c8fe38a894e3c83fe4b46b58fc0611165e8ad0b8c44ca7653785bd

Analysis

max time kernel
93s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-08-2024 22:34

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General

Target

83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe
Size

59KB
MD5

83d14ef27e6a8dda6d720aa0c67bce7b
SHA1

f1a317a1a1bf895414f56cc9b41a295b5b5b2e31
SHA256

fcfcbef0c3c8fe38a894e3c83fe4b46b58fc0611165e8ad0b8c44ca7653785bd
SHA512

a810776b6f8218f35153983391a73ecee68d2369601e93999dcd59249e46457d2d5d9e26ed4ab73c80c3223caa82327a4f4de11434fb864f9a2a3ce5b57efa71
SSDEEP

1536:ySpZUqUFoYRVGgwjdS8U4t6vsnLYzwVqwJMtLNnm:yS7UqUFodp1skLxVqwJMtZnm

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 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	taskmger.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	taskmger.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	taskmger.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Program Files (x86)\Common Files\System\taskmger.exe = "C:\\Program Files (x86)\\Common Files\\System\\taskmger.exe:*:Enabled:Windows Update"	taskmger.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	taskmger.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 Update = "C:\\Program Files (x86)\\Common Files\\System\\taskmger.exe"	taskmger.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\System\taskmger.exe	taskmger.exe
File opened for modification	C:\Program Files (x86)\Common Files\System	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe
File created	C:\Program Files (x86)\Common Files\System\taskmger.exe	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\taskmger.exe	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Common Files\System	taskmger.exe
File created	C:\Program Files (x86)\Common Files\System\taskmger.exe	taskmger.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	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmger.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4920	4596	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe	84
PID 4596 wrote to memory of 4920	4596	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe	84
PID 4596 wrote to memory of 4920	4596	83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83d14ef27e6a8dda6d720aa0c67bce7b_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Program Files (x86)\Common Files\System\taskmger.exe
  "C:\Program Files (x86)\Common Files\System\taskmger.exe"
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:4920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Common Files\System\taskmger.exe

Filesize
59KB

MD5
83d14ef27e6a8dda6d720aa0c67bce7b

SHA1
f1a317a1a1bf895414f56cc9b41a295b5b5b2e31

SHA256
fcfcbef0c3c8fe38a894e3c83fe4b46b58fc0611165e8ad0b8c44ca7653785bd

SHA512
a810776b6f8218f35153983391a73ecee68d2369601e93999dcd59249e46457d2d5d9e26ed4ab73c80c3223caa82327a4f4de11434fb864f9a2a3ce5b57efa71

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads