8d38bc17b403978ee0f23589e14cba0015f7d85d2ce3f56703e9b038bf70889c

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 23:21

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General

Target

a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe
Size

517KB
MD5

a8a26b1a03de78c2757058f9b6bc021a
SHA1

7a3d45696ee44eb50d555db51a7271b32c967979
SHA256

8d38bc17b403978ee0f23589e14cba0015f7d85d2ce3f56703e9b038bf70889c
SHA512

6f090923b781395ff2606098ff8b55b0d7a34f721d3ca9024ac466e8a4a15ac8e987c440dc2dda5f67cd1fa7c7faa53526d25333ac35738ea042dc895004c37e
SSDEEP

12288:nfJJCYDjB1xhAIQlULhrTokhanaSDK7Q7K:R4YZ1jLFHhEDyQ

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	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe:*:Enabled:@_@"	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.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\cs = "C:\\Windows\\system\\cs.exe"	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 936	3156	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe	86
PID 3156 wrote to memory of 936	3156	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe	86
PID 3156 wrote to memory of 936	3156	a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe	86
PID 936 wrote to memory of 3116	936	cmd.exe	88
PID 936 wrote to memory of 3116	936	cmd.exe	88
PID 936 wrote to memory of 3116	936	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8a26b1a03de78c2757058f9b6bc021a_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "rundll32 setupapi,InstallHinfSection DefaultInstall 132 %windir%\system\SETUP_NT.INF"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 setupapi,InstallHinfSection DefaultInstall 132 C:\Windows\system\SETUP_NT.INF
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3116

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

memory/3156-0-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/3156-1-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3156-2-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads