0f3372fba0c294fa95de96003895710eb39c837f6d81c3d156410f6cf827bd38

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 08:09

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General

Target

ae74fa8801480007a014637211033897_JaffaCakes118.exe
Size

3.1MB
MD5

ae74fa8801480007a014637211033897
SHA1

9df07b913c302892da323f044ecae8ffd1a00887
SHA256

0f3372fba0c294fa95de96003895710eb39c837f6d81c3d156410f6cf827bd38
SHA512

b8ff5d9d473e6e31223f494eaff0e5f668e298d539ec9f8365ec73038ac49d91deb41264c047b2c4f901b19f42640d67548b47f9b5aca2554964e736e0c80787
SSDEEP

49152:zswQquUzOmiWynnvhBeZJGGi313WgXMsDrauI:41FUzijnvQJGGw1H88rauI

Score

10^/10

aspackv2 discovery evasion persistence

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"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	ae74fa8801480007a014637211033897_JaffaCakes118.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	ae74fa8801480007a014637211033897_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	ae74fa8801480007a014637211033897_JaffaCakes118.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}\	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	ae74fa8801480007a014637211033897_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	ae74fa8801480007a014637211033897_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	ae74fa8801480007a014637211033897_JaffaCakes118.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0007000000016d19-37.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
2956	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2744	fservice.exe
2684	services.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine	ae74fa8801480007a014637211033897_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine	fservice.exe
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine	services.exe

Loads dropped DLL 6 IoCs

pid	Process
2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe
2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe
2684	services.exe
2684	services.exe
2744	fservice.exe
2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe

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\	ae74fa8801480007a014637211033897_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\fservice.exe	ae74fa8801480007a014637211033897_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
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 created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	ae74fa8801480007a014637211033897_JaffaCakes118.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
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 opened for modification	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	ae74fa8801480007a014637211033897_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	ae74fa8801480007a014637211033897_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	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	ae74fa8801480007a014637211033897_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe
2684	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2684	services.exe
2684	services.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2744	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	30
PID 2416 wrote to memory of 2744	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	30
PID 2416 wrote to memory of 2744	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	30
PID 2416 wrote to memory of 2744	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2684	2744	fservice.exe	31
PID 2744 wrote to memory of 2684	2744	fservice.exe	31
PID 2744 wrote to memory of 2684	2744	fservice.exe	31
PID 2744 wrote to memory of 2684	2744	fservice.exe	31
PID 2684 wrote to memory of 1680	2684	services.exe	32
PID 2684 wrote to memory of 1680	2684	services.exe	32
PID 2684 wrote to memory of 1680	2684	services.exe	32
PID 2684 wrote to memory of 1680	2684	services.exe	32
PID 2684 wrote to memory of 1808	2684	services.exe	33
PID 2684 wrote to memory of 1808	2684	services.exe	33
PID 2684 wrote to memory of 1808	2684	services.exe	33
PID 2684 wrote to memory of 1808	2684	services.exe	33
PID 1680 wrote to memory of 2636	1680	NET.exe	36
PID 1680 wrote to memory of 2636	1680	NET.exe	36
PID 1680 wrote to memory of 2636	1680	NET.exe	36
PID 1680 wrote to memory of 2636	1680	NET.exe	36
PID 1808 wrote to memory of 2540	1808	NET.exe	37
PID 1808 wrote to memory of 2540	1808	NET.exe	37
PID 1808 wrote to memory of 2540	1808	NET.exe	37
PID 1808 wrote to memory of 2540	1808	NET.exe	37
PID 2416 wrote to memory of 2956	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	38
PID 2416 wrote to memory of 2956	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	38
PID 2416 wrote to memory of 2956	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	38
PID 2416 wrote to memory of 2956	2416	ae74fa8801480007a014637211033897_JaffaCakes118.exe	38

C:\Users\Admin\AppData\Local\Temp\ae74fa8801480007a014637211033897_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae74fa8801480007a014637211033897_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Identifies Wine through registry keys
- 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:2416
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\services.exe
    C:\Windows\services.exe -XP
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - 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:2684
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP srservice
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1680
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2636
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP navapsvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1808
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2540
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ae74fa8801480007a014637211033897_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2956

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ae74fa8801480007a014637211033897_JaffaCakes118.exe.bat

Filesize
133B

MD5
49619a39e7a078dacaeaae475c3166de

SHA1
e6311183f4109389a41dda7ca301e66aa21322ec

SHA256
4fc8a01a5308012c19e6dc5b8b1636f6ad0d62916e62b36e35c99172d2204c79

SHA512
f36ec4a18b901b715dcde54195ce09a80657d7f6a237f9a7d79b72af6aab61c3a31f7fad108986d095bbee28c361ea627dbfe24c5794e5901a536a57e45c746f

Download Submit
C:\Windows\system\sservice.exe

Filesize
3.1MB

MD5
ae74fa8801480007a014637211033897

SHA1
9df07b913c302892da323f044ecae8ffd1a00887

SHA256
0f3372fba0c294fa95de96003895710eb39c837f6d81c3d156410f6cf827bd38

SHA512
b8ff5d9d473e6e31223f494eaff0e5f668e298d539ec9f8365ec73038ac49d91deb41264c047b2c4f901b19f42640d67548b47f9b5aca2554964e736e0c80787

Download Submit
\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/2416-40-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2416-16-0x00000000052F0000-0x0000000005610000-memory.dmp

Filesize
3.1MB

Download
memory/2416-2-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2416-0-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2416-10-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2416-3-0x0000000000401000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/2416-60-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2416-1-0x0000000002040000-0x0000000002141000-memory.dmp

Filesize
1.0MB

Download
memory/2416-31-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2416-15-0x00000000052F0000-0x0000000005610000-memory.dmp

Filesize
3.1MB

Download
memory/2416-61-0x0000000000401000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/2416-35-0x0000000000401000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/2684-89-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-64-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-83-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-39-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-42-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2684-34-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-85-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-87-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-32-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-91-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-93-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-41-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-65-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-67-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2684-68-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-66-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-69-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-71-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-73-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-75-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-77-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-79-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2684-81-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2744-33-0x0000000005450000-0x0000000005770000-memory.dmp

Filesize
3.1MB

Download
memory/2744-58-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2744-24-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2744-30-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2744-18-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/2744-19-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download