f83177f58f95776bb644a41fb46f5fb6be1eb75102396c74f0195e82e2ca93d6

Analysis

max time kernel
92s
max time network
98s
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, 02:24

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General

Target

2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
Size

505KB
MD5

2aa87ab5ce413830ff83425b4f6d14e1
SHA1

df013cd708885824b7ab72583c783684ccea93db
SHA256

f83177f58f95776bb644a41fb46f5fb6be1eb75102396c74f0195e82e2ca93d6
SHA512

bd5af7f527945ab0d96a39355b85deec0eb85f29ae39dc32cacf2cf7288e3cb6fe8566828a5163c7511cebf94eb29db1bbb3f085647f5741a4a0933b467fb646
SSDEEP

12288:LQIbwgQ/hahneoN8LwIQMQa1nkGf4RDzDVWiewOdDP0:t7QahnMLHZQa1nkGfZBD

Score

10^/10

adware evasion stealer

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\system32\oobe\8010\svchost.exe = "C:\\Windows\\system32\\oobe\\8010\\svchost.exe:*:Enabled:svchost"	regedit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	regedit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	regedit.exe

Loads dropped DLL 1 IoCs

pid	Process
4692	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{82FE757D-2859-454C-A4A3-D70416F731F8}	regsvr32.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\GPBYUAESSQS.reg	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\42169a7e4d.dll	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\42169a7e4d.dll	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\oobe\8010\svchost.exe	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\oobe\tpjpwzbiye.dll	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\oobe\tpjpwzbiye.dll	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser	explorer.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}\ = "ExFlash"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tpjpwzbiye.GetFlash\Clsid\ = "{82FE757D-2859-454C-A4A3-D70416F731F8}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 4e00310000000000e858aa3b10006f6f626500003a0009000400efbe874fdb49e858aa3b2e000000ae1300000000010000000000000000000000000000007a3524016f006f0062006500000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tpjpwzbiye.GetFlash	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4e00310000000000e858aa3b10003830313000003a0009000400efbee858aa3be858aa3b2e00000053da01000000050000000000000000000000000000007efa28013800300031003000000014000000	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}\ProgID	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5a00310000000000e858a93b100053797374656d33320000420009000400efbe874f7748e858a93b2e000000b90c0000000001000000000000000000000000000000ea7c6b00530079007300740065006d0033003200000018000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}\InprocServer32\ = "C:\\Windows\\SysWow64\\oobe\\tpjpwzbiye.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\tpjpwzbiye.GetFlash\ = "ExFlash"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}\ProgID\ = "tpjpwzbiye.GetFlash"	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 5600310000000000e4587988100057696e646f777300400009000400efbe874f7748e858aa3b2e0000000006000000000100000000000000000000000000000058ddcf00570069006e0064006f0077007300000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82FE757D-2859-454C-A4A3-D70416F731F8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\tpjpwzbiye.GetFlash\Clsid	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0	explorer.exe

Runs .reg file with regedit 1 IoCs

pid	Process
312	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
Token: SeDebugPrivilege	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2288	explorer.exe
2288	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 2636	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	84
PID 4780 wrote to memory of 2636	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	84
PID 4780 wrote to memory of 2636	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	84
PID 4780 wrote to memory of 4692	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	87
PID 4780 wrote to memory of 4692	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	87
PID 4780 wrote to memory of 4692	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	87
PID 4780 wrote to memory of 4900	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	88
PID 4780 wrote to memory of 4900	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	88
PID 4780 wrote to memory of 4900	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	88
PID 4780 wrote to memory of 312	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	90
PID 4780 wrote to memory of 312	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	90
PID 4780 wrote to memory of 312	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	90
PID 4780 wrote to memory of 4624	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	91
PID 4780 wrote to memory of 4624	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	91
PID 4780 wrote to memory of 4624	4780	2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2aa87ab5ce413830ff83425b4f6d14e1_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\SysWOW64\cacls.exe
  cacls "C:\Windows\system32\oobe" /t /e /g everyone:f
  2⤵
  PID:2636
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s C:\Windows\system32\oobe\tpjpwzbiye.dll
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4692
- C:\Windows\SysWOW64\EXPLORER.EXE
  EXPLORER.EXE /e,C:\Windows\system32\oobe\8010\
  2⤵
  PID:4900
- C:\Windows\SysWOW64\regedit.exe
  C:\Windows\regedit.exe /s "C:\Windows\system32\GPBYUAESSQS.reg"
  2⤵
  - Modifies firewall policy service
  - Runs .reg file with regedit
  PID:312
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$306609.bat
  2⤵
  PID:4624

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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\Temp\$$306609.bat

Filesize
182B

MD5
dc5f20b89d0f2b11423ebfc368b5d288

SHA1
97e072ae0eb671206add8a167dd7d0ea7a62502f

SHA256
4672f2ae6362dd096b60303106361ce34a6822fea8b23bc9afbccc6040bfcd33

SHA512
b0258099a03921f6dbca5e74fd1572c3c162463c1498fdc1ea374490cea42a7b10469003ad0dceab09b914d7f3de6d9eca7524003b7b36fa4a7f5eca3f9c3be2

Download Submit
C:\Windows\SysWOW64\42169a7e4d.dll

Filesize
139B

MD5
293b2d016db4c3eef608b9c061093cd2

SHA1
137bdda05b7597ed9d071a78618c03df519c9763

SHA256
6c88b08eebe6228f005f39565c99fdf5d8a134d7d54288899e794ef5e8f76f94

SHA512
a9b329d3e06a35d4e5cf7a16eb08690c2fa8f626f209f65aeb67e2db1317d0e4ce89e6dd5d9d2fd0c3bf3396030a0e950128fc3a3bfefe645e501327f5e3e246

Download Submit
C:\Windows\SysWOW64\GPBYUAESSQS.reg

Filesize
297B

MD5
99eacff177203b6f5128fe7d271857b2

SHA1
a9a43c162c27bc4382957f2b22fb48b0dc17bbfc

SHA256
d1d5136acd329ef64ce9877cd390727d94b9849bf4ae77e8d0cdd05780259b98

SHA512
2df1be0702be6794081979abe953529c7968170c09349a3b6f4e66f643954dd2d5b1bc8cd233792313a322599177186c881c84bd5b974c2d0b816678d4e5fe03

Download Submit
C:\Windows\SysWOW64\oobe\tpjpwzbiye.dll

Filesize
550KB

MD5
31bf4c2449568a7fa89301efd67dab86

SHA1
a355a8d5b6cc40f447595b83ed806c57e012c1d2

SHA256
c00d8b8f30f77f39ebdd7f2f70561c059259e23d85d6654f4cb0462af7a6c393

SHA512
387af479a7cf4f5935bbb62863604d5e38a45aca97aeb2931770695f8c8e7fd8900446e9dad549a470faf3cc7146d168c1122a42060d8758b2b22f52624ad45f

Download Submit
memory/4780-22-0x0000000000400000-0x0000000000566000-memory.dmp

Filesize
1.4MB

Download