202b03238891fc5dc5b078d02b9ca9daa26d0c1f338930563d88eca728c5df71

Analysis

max time kernel
141s
max time network
136s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 23:43

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General

Target

ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe
Size

966KB
MD5

ff8474d470fdc01c846c76a7b8d8e227
SHA1

83335bf4fe9bd1b6a9da68c6db47de241d962fb4
SHA256

202b03238891fc5dc5b078d02b9ca9daa26d0c1f338930563d88eca728c5df71
SHA512

e1863ea8fce0c3af0901443513b0d65b9b792ea5aff9a7c60947f713669e60ed60b778e3dc4aeb5e1d29c554754e471f87f049e4d04bbacee978081130b887f3
SSDEEP

24576:tMMSw3gK+vH1+F0QrOFEk908IkpVd1mqUp+:uZ1KHF0qg9N37d1mtE

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\scrss.exe = "\"C:\\Users\\Admin\\AppData\\Local\\scrss.exe \""	reg.exe

Executes dropped EXE 2 IoCs

pid	Process
2244	setup.exe
2596	scrss.exe

Loads dropped DLL 10 IoCs

pid	Process
2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2596	scrss.exe
2596	scrss.exe
2596	scrss.exe
2596	scrss.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2876	reg.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2244	setup.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2244	setup.exe
2596	scrss.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2244	setup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2596	scrss.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2452 wrote to memory of 2244	2452	ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe	30
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2596	2244	setup.exe	31
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2244 wrote to memory of 2136	2244	setup.exe	32
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2136 wrote to memory of 2872	2136	cmd.exe	34
PID 2872 wrote to memory of 2876	2872	cmd.exe	35
PID 2872 wrote to memory of 2876	2872	cmd.exe	35
PID 2872 wrote to memory of 2876	2872	cmd.exe	35
PID 2872 wrote to memory of 2876	2872	cmd.exe	35
PID 2872 wrote to memory of 2876	2872	cmd.exe	35
PID 2872 wrote to memory of 2876	2872	cmd.exe	35
PID 2872 wrote to memory of 2876	2872	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff8474d470fdc01c846c76a7b8d8e227_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\setup.exe
  "C:\Users\Admin\AppData\Local\Temp\setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Users\Admin\AppData\Local\scrss.exe
    "C:\Users\Admin\AppData\Local\scrss.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2596
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c syscheck.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2136
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /V scrss.exe /D "\"C:\Users\Admin\AppData\Local\scrss.exe \"" /f
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2872
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /V scrss.exe /D "\"C:\Users\Admin\AppData\Local\scrss.exe \"" /f
        5⤵
        Adds policy Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2876

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\syscheck.bat

Filesize
168B

MD5
0d92b381efa1a49bd3cc2cf3ff28bd45

SHA1
23fac6be89436f94a4f8fca5057be514c787b9b6

SHA256
b5b5a4055d2b10d9e6af0580c28ee9099632cc36eaa946ce442f65a77ee92e84

SHA512
78b611a37cf21a0bb26204f0f3057b5d800be3c2ad8190af06725e82bdcc883473cb0087f1f7bc8c0199467d14282ea92d340421d8bf796f7e45451727f66391

Download Submit
\Users\Admin\AppData\Local\Temp\setup.exe

Filesize
538KB

MD5
f7d222333d3ce07721e18537287a1f23

SHA1
53253d51525d1979907b985dfc88097f068491f2

SHA256
267ac2410719782b180d9776d9c61d86616d5a5762d97013566079b067fcb70a

SHA512
02a57569478a5f9c7d68a0a2b9fb855d8b753a7fc8e5fe7875af1a877dbbc8016b88ad3be64a271a44992ff664976abdb017bab493a1168e4963c993e991b7bb

Download Submit
\Users\Admin\AppData\Local\ntldr.dll

Filesize
92KB

MD5
8a5e40eb6518353e5758e5b237897c78

SHA1
dd452e565485f48c2131dadc40a32b0d3007cef6

SHA256
5f8ba5c1522847452d92b507770bfb454548d8a02232040c6be4323792400d4f

SHA512
c941b82c3bd6be61506ac9215ab8e26983a8654444703b5a0236739a3b50a498ed0c65054b68481c026123d88b0f0e9e36f92b0f0028b4cc034345ec17f3b268

Download Submit
\Users\Admin\AppData\Local\scrss.exe

Filesize
237KB

MD5
624edbd68e18dea398619afee2527dac

SHA1
dd7d730ac852b950fbf7ea8d52bd13f4559b1c88

SHA256
0c66024d2bcbab2b4bd0eb35ff970768cf98343cefc89cd0aff205bc7f93627f

SHA512
4b99200b19165ddc966e901d35f1377738e4d8cbc5e56f359fa64733e83942088f742cf1637931eaa7796fd01f8f329e2b351cf8bdc98b318d6646b698f5e929

Download Submit
memory/2244-37-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2452-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2452-7-0x0000000004000000-0x00000000040F9000-memory.dmp

Filesize
996KB

Download
memory/2596-35-0x00000000001E0000-0x00000000001FC000-memory.dmp

Filesize
112KB

Download
memory/2596-38-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2596-39-0x00000000001E0000-0x00000000001FC000-memory.dmp

Filesize
112KB

Download
memory/2596-44-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2596-50-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2596-56-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2596-62-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download