b7c18eb1f6597734af890ebb5fa3345bc3c90ba6f60cb934025c3d56343a63da

Analysis

max time kernel
121s
max time network
56s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 00:11

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General

Target

23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
Size

354KB
MD5

23f62fe026e1632b60e9bb0dc7857537
SHA1

b790dbc0dd1bf407df7e92a65cc20ae1e76d487d
SHA256

b7c18eb1f6597734af890ebb5fa3345bc3c90ba6f60cb934025c3d56343a63da
SHA512

78e6cc5891d0f2f4e7b0b01a1837f8651157962c6535d6ed68a9d5f96fb4da879fb5058ea4990a021922e02ef1f59bab14c78959dfe89aa0a9634e5d593ba34b
SSDEEP

6144:gDCwfG1bnxLERR9saMDCwfG1bnxLERR9saah:g72bntEL9/M72bntEL9/ah

Score

10^/10

defense_evasion evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	avscan.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	hosts.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	avscan.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hosts.exe

Adds policy Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\BVRKIPTS = "W_X_C.bat"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\BVRKIPTS = "W_X_C.bat"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\BVRKIPTS = "W_X_C.bat"	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	WScript.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 6 IoCs

pid	Process
3212	avscan.exe
3908	avscan.exe
3556	hosts.exe
3320	hosts.exe
2964	avscan.exe
4296	hosts.exe

Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs

defense_evasion

Safe Mode Boot

T1562.009

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power	REG.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc	REG.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\SerCx2.sys	REG.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\UserManager	REG.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\CBDHSvc	REG.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\iai2c.sys	REG.exe

Adds Run key to start application 2 TTPs 3 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\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe"	hosts.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe"	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe"	avscan.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\windows\W_X_C.bat	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
File opened for modification	C:\Windows\hosts.exe	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
File opened for modification	C:\Windows\hosts.exe	avscan.exe
File opened for modification	C:\Windows\hosts.exe	hosts.exe
File created	C:\windows\W_X_C.vbs	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	cmd.exe

Modifies registry key 1 TTPs 9 IoCs

Modify Registry

T1112

pid	Process
4964	REG.exe
2644	REG.exe
2216	REG.exe
940	REG.exe
1124	REG.exe
2880	REG.exe
4996	REG.exe
1092	REG.exe
5048	REG.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3212	avscan.exe
3556	hosts.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
3212	avscan.exe
3908	avscan.exe
3320	hosts.exe
3556	hosts.exe
2964	avscan.exe
4296	hosts.exe

Suspicious use of WriteProcessMemory 63 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4996	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	80
PID 5040 wrote to memory of 4996	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	80
PID 5040 wrote to memory of 4996	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	80
PID 5040 wrote to memory of 3212	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	82
PID 5040 wrote to memory of 3212	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	82
PID 5040 wrote to memory of 3212	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	82
PID 3212 wrote to memory of 3908	3212	avscan.exe	83
PID 3212 wrote to memory of 3908	3212	avscan.exe	83
PID 3212 wrote to memory of 3908	3212	avscan.exe	83
PID 3212 wrote to memory of 4224	3212	avscan.exe	84
PID 3212 wrote to memory of 4224	3212	avscan.exe	84
PID 3212 wrote to memory of 4224	3212	avscan.exe	84
PID 5040 wrote to memory of 3260	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	85
PID 5040 wrote to memory of 3260	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	85
PID 5040 wrote to memory of 3260	5040	23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe	85
PID 4224 wrote to memory of 3556	4224	cmd.exe	88
PID 4224 wrote to memory of 3556	4224	cmd.exe	88
PID 4224 wrote to memory of 3556	4224	cmd.exe	88
PID 3260 wrote to memory of 3320	3260	cmd.exe	89
PID 3260 wrote to memory of 3320	3260	cmd.exe	89
PID 3260 wrote to memory of 3320	3260	cmd.exe	89
PID 3556 wrote to memory of 2964	3556	hosts.exe	90
PID 3556 wrote to memory of 2964	3556	hosts.exe	90
PID 3556 wrote to memory of 2964	3556	hosts.exe	90
PID 3260 wrote to memory of 3724	3260	cmd.exe	92
PID 3260 wrote to memory of 3724	3260	cmd.exe	92
PID 3260 wrote to memory of 3724	3260	cmd.exe	92
PID 4224 wrote to memory of 1552	4224	cmd.exe	93
PID 4224 wrote to memory of 1552	4224	cmd.exe	93
PID 4224 wrote to memory of 1552	4224	cmd.exe	93
PID 3556 wrote to memory of 4660	3556	hosts.exe	94
PID 3556 wrote to memory of 4660	3556	hosts.exe	94
PID 3556 wrote to memory of 4660	3556	hosts.exe	94
PID 4660 wrote to memory of 4296	4660	cmd.exe	96
PID 4660 wrote to memory of 4296	4660	cmd.exe	96
PID 4660 wrote to memory of 4296	4660	cmd.exe	96
PID 4660 wrote to memory of 4812	4660	cmd.exe	97
PID 4660 wrote to memory of 4812	4660	cmd.exe	97
PID 4660 wrote to memory of 4812	4660	cmd.exe	97
PID 3212 wrote to memory of 2216	3212	avscan.exe	101
PID 3212 wrote to memory of 2216	3212	avscan.exe	101
PID 3212 wrote to memory of 2216	3212	avscan.exe	101
PID 3556 wrote to memory of 1092	3556	hosts.exe	103
PID 3556 wrote to memory of 1092	3556	hosts.exe	103
PID 3556 wrote to memory of 1092	3556	hosts.exe	103
PID 3212 wrote to memory of 940	3212	avscan.exe	111
PID 3212 wrote to memory of 940	3212	avscan.exe	111
PID 3212 wrote to memory of 940	3212	avscan.exe	111
PID 3556 wrote to memory of 1124	3556	hosts.exe	113
PID 3556 wrote to memory of 1124	3556	hosts.exe	113
PID 3556 wrote to memory of 1124	3556	hosts.exe	113
PID 3212 wrote to memory of 5048	3212	avscan.exe	115
PID 3212 wrote to memory of 5048	3212	avscan.exe	115
PID 3212 wrote to memory of 5048	3212	avscan.exe	115
PID 3556 wrote to memory of 2880	3556	hosts.exe	117
PID 3556 wrote to memory of 2880	3556	hosts.exe	117
PID 3556 wrote to memory of 2880	3556	hosts.exe	117
PID 3212 wrote to memory of 4964	3212	avscan.exe	119
PID 3212 wrote to memory of 4964	3212	avscan.exe	119
PID 3212 wrote to memory of 4964	3212	avscan.exe	119
PID 3556 wrote to memory of 2644	3556	hosts.exe	121
PID 3556 wrote to memory of 2644	3556	hosts.exe	121
PID 3556 wrote to memory of 2644	3556	hosts.exe	121

C:\Users\Admin\AppData\Local\Temp\23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\23f62fe026e1632b60e9bb0dc7857537_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\SysWOW64\REG.exe
  REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
  2⤵
  - Impair Defenses: Safe Mode Boot
  - Modifies registry key
  PID:4996
- C:\Users\Admin\AppData\Local\Temp\avscan.exe
  C:\Users\Admin\AppData\Local\Temp\avscan.exe
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3212
- - C:\Users\Admin\AppData\Local\Temp\avscan.exe
    C:\Users\Admin\AppData\Local\Temp\avscan.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3908
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4224
  - - C:\windows\hosts.exe
      C:\windows\hosts.exe
      4⤵
      Modifies visibility of file extensions in Explorer
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3556
    - - C:\Users\Admin\AppData\Local\Temp\avscan.exe
        
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2964
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
        5⤵
        Checks computer location settings
        Modifies registry class
        Suspicious use of WriteProcessMemory
        
        PID:4660
      - C:\windows\hosts.exe
        
        C:\windows\hosts.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:4296
      - C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        6⤵
        Adds policy Run key to start application
        
        PID:4812
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:1092
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:1124
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:2880
    - - C:\Windows\SysWOW64\REG.exe
        
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        5⤵
        Modifies registry key
        
        PID:2644
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
      4⤵
      Adds policy Run key to start application
      PID:1552
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:2216
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:940
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:5048
- - C:\Windows\SysWOW64\REG.exe
    REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
    3⤵
    - Modifies registry key
    PID:4964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\windows\hosts.exe
    C:\windows\hosts.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3320
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
    3⤵
    - Adds policy Run key to start application
    PID:3724

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2088

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Safe Mode Boot

T1562.009

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\avscan.exe

Filesize
354KB

MD5
800e5aabbfaba2ac1e54c595faf04cc8

SHA1
6113dc33c0ef59de8252d8fa9885f1a255445285

SHA256
a9c4bf696e0cdf88d2760eb9359de4271dc305a08df34fd16eb6cf71ef96735e

SHA512
04e6db78b32b216296ef061cd6c244c60ac60c00bf3bbd4d162c4f852e560ea01fde38ca5266003d5d9faf2df93d61a39b48bca08991ef123646ff8d04316dc0

Download Submit
C:\Windows\W_X_C.vbs

Filesize
195B

MD5
2bf5a187f48b0e3c967d35345b39cf75

SHA1
5dc7cfa3b9818baa039314fd49d38825a88f30f2

SHA256
9676e777e8eec50aa91525d3c0ed7c17047ddf363cb28a83a474c2840cd4c7b1

SHA512
1f0c2d5fadc2304f910caf7569a968b1824687cb57dd8f470dc67b8262cb009809c83ea626f2f99d9ce4e8113efb46c53b979f6dc3113433f7503ca4d119e16c

Download Submit
C:\Windows\hosts.exe

Filesize
354KB

MD5
e516ef44a32d708c566c45acea2fc4cb

SHA1
b1029bc936eac31bee9431e149d2faffb982f141

SHA256
e57c0105ac6e64b86e4b625d20798bf4bc05635b5b6e157933ba886c2201e62e

SHA512
b9b7b83d11dfbf2c01859b84cfe7a075c299570200b4299740e08e5e6b0f1b4447866f46eeeaeefebb8be6a0146c65e3f01387de6731d66300b32eda085e834b

Download Submit
\??\c:\windows\W_X_C.bat

Filesize
336B

MD5
4db9f8b6175722b62ececeeeba1ce307

SHA1
3b3ba8414706e72a6fa19e884a97b87609e11e47

SHA256
d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

SHA512
1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads