c6b6ac05d6cfe9de05bee7c827a34ca338b1dd0ee0a72c7761f45b5a530a0c33

Analysis

max time kernel
148s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 14:34

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General

Target

2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe
Size

128KB
MD5

2cb624a5250815c920caa984d6d9928f
SHA1

4f796404a4c7afd459a75159afc30da6dc61593d
SHA256

c6b6ac05d6cfe9de05bee7c827a34ca338b1dd0ee0a72c7761f45b5a530a0c33
SHA512

d530b3ae2b75a0c14a06c31ae1cf42054c48fa5516f96121a99fbcb2086075cb7bff6715d7caf75d2a302fa997077c53593d1ead3f78a86078990d2cfd64cdc0
SSDEEP

1536:8lQzurNCfjxTpiqQ03Zgd2JGTCWtTPcbNZSZ3z1+WSaIRdcI8UqumDuKx1PdkD4P:8llCfttTdJgdaGXDcG3EAymvdkEP

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4488	Numvmi.exe
3664	Numvmi.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\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Numvmi = "C:\\Users\\Admin\\AppData\\Roaming\\Numvmi.exe"	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 4488 set thread context of 3664	4488	Numvmi.exe	88

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{66658C7C-3D7D-11EF-B68A-66F2A351D5B9} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31117706"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427244402"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "986962426"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "991336978"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "986962426"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31117706"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31117706"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3628	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe
3628	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	Numvmi.exe
Token: SeDebugPrivilege	224	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2804	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2804	IEXPLORE.EXE
2804	IEXPLORE.EXE
224	IEXPLORE.EXE
224	IEXPLORE.EXE
224	IEXPLORE.EXE
224	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 2844 wrote to memory of 3628	2844	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	83
PID 3628 wrote to memory of 4488	3628	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	87
PID 3628 wrote to memory of 4488	3628	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	87
PID 3628 wrote to memory of 4488	3628	2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe	87
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 4488 wrote to memory of 3664	4488	Numvmi.exe	88
PID 3664 wrote to memory of 1992	3664	Numvmi.exe	89
PID 3664 wrote to memory of 1992	3664	Numvmi.exe	89
PID 3664 wrote to memory of 1992	3664	Numvmi.exe	89
PID 1992 wrote to memory of 2804	1992	iexplore.exe	90
PID 1992 wrote to memory of 2804	1992	iexplore.exe	90
PID 2804 wrote to memory of 224	2804	IEXPLORE.EXE	91
PID 2804 wrote to memory of 224	2804	IEXPLORE.EXE	91
PID 2804 wrote to memory of 224	2804	IEXPLORE.EXE	91
PID 3664 wrote to memory of 224	3664	Numvmi.exe	91
PID 3664 wrote to memory of 224	3664	Numvmi.exe	91

C:\Users\Admin\AppData\Local\Temp\2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\2cb624a5250815c920caa984d6d9928f_JaffaCakes118.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3628
- - C:\Users\Admin\AppData\Roaming\Numvmi.exe
    "C:\Users\Admin\AppData\Roaming\Numvmi.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4488
  - - C:\Users\Admin\AppData\Roaming\Numvmi.exe
      C:\Users\Admin\AppData\Roaming\Numvmi.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3664
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1992
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2804
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2804 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:224

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JYV3O38W\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Roaming\Numvmi.exe

Filesize
128KB

MD5
2cb624a5250815c920caa984d6d9928f

SHA1
4f796404a4c7afd459a75159afc30da6dc61593d

SHA256
c6b6ac05d6cfe9de05bee7c827a34ca338b1dd0ee0a72c7761f45b5a530a0c33

SHA512
d530b3ae2b75a0c14a06c31ae1cf42054c48fa5516f96121a99fbcb2086075cb7bff6715d7caf75d2a302fa997077c53593d1ead3f78a86078990d2cfd64cdc0

Download Submit
memory/2844-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2844-3-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3628-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3628-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3628-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3628-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download