882a02d0ba1c222f0d6c3e35e3853b82cfad086d3649f86307c0c3e123a75323

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 04:12

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General

Target

ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe
Size

427KB
MD5

ea902884bf793caa8a16364ea446fad8
SHA1

340ff7ccda6536070943185e2300a3d966884c18
SHA256

882a02d0ba1c222f0d6c3e35e3853b82cfad086d3649f86307c0c3e123a75323
SHA512

be019105911e855380f76e0b8d388625ab331bfcaf5e718b0cb1246c5d89694437b440dd70c4388b8d5d632a5e37f71748d78f0d1255bba4059f0b47f799f89d
SSDEEP

12288:cqmpplpGoGL3etQoMiXM8gxf/Sj4yho2su73I:+563ey8gZqj4yhogU

Score

10^/10

aspackv2 discovery persistence 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:\\Windows\\system32\\fservice.exe"	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0009000000023498-37.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
4212	lncom.exe
1956	fservice.exe
60	services.exe

Loads dropped DLL 5 IoCs

pid	Process
60	services.exe
60	services.exe
60	services.exe
1956	fservice.exe
4212	lncom.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023490-5.dat	upx
behavioral2/memory/4212-15-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1956-25-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1956-50-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/4212-52-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/4212-57-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-59-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-60-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-62-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-64-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-66-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-68-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-70-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-72-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-74-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-76-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-78-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-80-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-82-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-84-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/60-86-0x0000000000400000-0x00000000005FC000-memory.dmp	upx

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	lncom.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\fservice.exe	lncom.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\lncom.exe.bat	lncom.exe
File created	C:\Windows\SysWOW64\lncom.exe	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\lncom_.jpg	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	lncom.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	lncom.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 10 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	NET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lncom.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe
60	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
60	services.exe
60	services.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 4212	2264	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe	84
PID 2264 wrote to memory of 4212	2264	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe	84
PID 2264 wrote to memory of 4212	2264	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe	84
PID 2264 wrote to memory of 3380	2264	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe	85
PID 2264 wrote to memory of 3380	2264	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe	85
PID 2264 wrote to memory of 3380	2264	ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe	85
PID 4212 wrote to memory of 1956	4212	lncom.exe	87
PID 4212 wrote to memory of 1956	4212	lncom.exe	87
PID 4212 wrote to memory of 1956	4212	lncom.exe	87
PID 1956 wrote to memory of 60	1956	fservice.exe	88
PID 1956 wrote to memory of 60	1956	fservice.exe	88
PID 1956 wrote to memory of 60	1956	fservice.exe	88
PID 60 wrote to memory of 4532	60	services.exe	89
PID 60 wrote to memory of 4532	60	services.exe	89
PID 60 wrote to memory of 4532	60	services.exe	89
PID 60 wrote to memory of 4572	60	services.exe	90
PID 60 wrote to memory of 4572	60	services.exe	90
PID 60 wrote to memory of 4572	60	services.exe	90
PID 4532 wrote to memory of 2924	4532	NET.exe	93
PID 4532 wrote to memory of 2924	4532	NET.exe	93
PID 4532 wrote to memory of 2924	4532	NET.exe	93
PID 4572 wrote to memory of 4276	4572	NET.exe	94
PID 4572 wrote to memory of 4276	4572	NET.exe	94
PID 4572 wrote to memory of 4276	4572	NET.exe	94
PID 4212 wrote to memory of 4852	4212	lncom.exe	99
PID 4212 wrote to memory of 4852	4212	lncom.exe	99
PID 4212 wrote to memory of 4852	4212	lncom.exe	99

C:\Users\Admin\AppData\Local\Temp\ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea902884bf793caa8a16364ea446fad8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\lncom.exe
  "C:\Windows\system32\lncom.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Windows\SysWOW64\fservice.exe
    C:\Windows\system32\fservice.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1956
  - - C:\Windows\services.exe
      C:\Windows\services.exe -XP
      4⤵
      Modifies WinLogon for persistence
      Adds policy Run key to start application
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Loads dropped DLL
      Modifies WinLogon
      Drops file in System32 directory
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:60
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4532
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2924
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4572
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4276
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\lncom.exe.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4852
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\EA9028~1.EXE.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\EA9028~1.EXE.bat

Filesize
133B

MD5
a019d525e1a9d83b23dc7a0314dc699f

SHA1
089134b3f09c4e9dc56f189a2b7301f8d7c14492

SHA256
0b4a70477cbee3a21709b274fad92074e12f22a8bd6c7d5c67d46e794abbb25a

SHA512
2930bc2642dbd0dd2592cc3318ffe839ff1b09be4f960462bac09b97fe4beccd83f8fd0220ea634469113e950b9a968d7512d09dfd87804721c0b840d92e233c

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

Filesize
342KB

MD5
b8df37ff836b6ddff066de7b468aec25

SHA1
5426510669ba41c120f7eceb771563792900adf6

SHA256
428b50c46caeb23da13f75f3d8c0d617724500bbed059bc3000d223ac2134d3c

SHA512
af527d3dd62ab31d75e60d10503399a00ba5f7fca4bca1b7e95d7a8e32f0847fdb469a47a47aea729aa9638d2e7dab2282537eeb282b8565d99ac30738abe173

Download Submit
C:\Windows\SysWOW64\lncom.exe.bat

Filesize
99B

MD5
1f73e450d92934cd37c041eb3f1ff51f

SHA1
f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

SHA256
3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

SHA512
5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

Download Submit
C:\Windows\SysWOW64\lncom_.jpg

Filesize
80KB

MD5
811bdc267226917d511634c3f3bd7f87

SHA1
0c32f96a4fe0bbf0fdb03153555f012f81003bcd

SHA256
e3358250be3373c141063f2dd6dd0253b16692b456546bfd079e955890fcccd2

SHA512
602f1c40af41a5dc093ba818d5d32e6139f2812073f6c6c7b9a73395ec2d68d72c66a7b987beb069b0292130057b2537b92632ec218a35a230b665b498de5f00

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/60-59-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-74-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-39-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/60-86-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-84-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-82-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-80-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-78-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-76-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-72-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-70-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-61-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/60-60-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-62-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-64-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-66-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/60-68-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1956-27-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1956-50-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1956-25-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2264-16-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/4212-15-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4212-57-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4212-53-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/4212-52-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4212-17-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download