a8a91ff9909250052d82119c7bf4480baf1231c5ec1b33e51cfbaeb3ad5d2449

Analysis

max time kernel
150s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2025, 07:33

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General

Target

JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe
Size

43KB
MD5

8a72777b7f9253e39f56e2268407705d
SHA1

9e9b852fb16c42dc84e7dc8703bb8f4f71c801dd
SHA256

a8a91ff9909250052d82119c7bf4480baf1231c5ec1b33e51cfbaeb3ad5d2449
SHA512

fddb4fb80cacb0e9997a071d236949fe80b12429381c62d0567102bd887799acc9cdfbe0702de62a67df980b5578b175e7ded567a9974f603ef3fc6ce43228c5
SSDEEP

768:spGSdgqGRivxe9En6ZxVniAAvTx3Er6ySOXdJaDhL812XmXHM:CNKqkiEUsxVnEvTNi3SyXaLXmXHM

Score

7^/10

bootkit discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4756	svchosts.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3976-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/files/0x000f000000022f40-6.dat	upx
behavioral2/memory/3976-87-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/4756-91-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\svchosts.exe	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe
File opened for modification	C:\windows\svchosts.exe	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\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-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EE69090F-0BA6-11F0-9A21-7219D7A672FE} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449912179"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000533c8d3df2dcf94683dee2eda212d06a00000000020000000000106600000001000020000000f6923eaa45613edf7264994b05977083c8a8f2e7420bf887f16f4ab9fbd9e800000000000e800000000200002000000064d3204c7d39fb16f1e45e736d27029912781df762489068d061731a69ef24ac2000000025963380020d5a9ed58dee8d8aaac527dd07bab0351f8203f51567dc1bfaf9c740000000c4c8359941242d99e5e2a77e4ad195acb74f3b43c3b30726c14a110d15a0fbf3e0d2d8e2f31e5091779ca6e8be3afe7581e2e71be0063f68d9505759a42c1f0c	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90edd3c3b39fdb01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90cfd8c3b39fdb01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000533c8d3df2dcf94683dee2eda212d06a000000000200000000001066000000010000200000008c2de7ed63e4dd8edb5f1dd615276308103636e36c4beed7b4801f97aaa06006000000000e80000000020000200000009f915c8518f48c813a92d0d396061aef8ce39ea546777f431563eaee46754b5c20000000fabbd5c878508761d2f2fcc845f440d142138b0d7eb3c3ef1aa098a83fc0104140000000a3a9dd90ad1c81647ca85ccce088fe923c5bb07ef4a772962ed2e1f4014dadcf9808055f8add078bec3a282cde0b7c1cbe88ec916eeadfbfebd81330d48d79ab	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe
3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5312	iexplore.exe
4756	svchosts.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe
4756	svchosts.exe
5312	iexplore.exe
5312	iexplore.exe
4792	IEXPLORE.EXE
4792	IEXPLORE.EXE
4792	IEXPLORE.EXE
4792	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 4756	3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe	89
PID 3976 wrote to memory of 4756	3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe	89
PID 3976 wrote to memory of 4756	3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe	89
PID 3976 wrote to memory of 5312	3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe	90
PID 3976 wrote to memory of 5312	3976	JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe	90
PID 5312 wrote to memory of 4792	5312	iexplore.exe	91
PID 5312 wrote to memory of 4792	5312	iexplore.exe	91
PID 5312 wrote to memory of 4792	5312	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a72777b7f9253e39f56e2268407705d.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976
- C:\windows\svchosts.exe
  C:\windows\svchosts.exe auto
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:4756
- C:\progra~1\Intern~1\iexplore.exe
  C:\\progra~1\\Intern~1\\iexplore.exe http://jianqiangzhe1.com/AddSetup.asp?id=137&localID=232138804165&isqq=3
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5312
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5312 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

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\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
471B

MD5
4a326b4601ab30dfcfec12796d4473af

SHA1
fcc8ab255f002787a2f4756a6e7aaebc4ca0b5ff

SHA256
58c3470bcc9b953996e86f7741d7a6b1afe327c1c65788c2ef262c1beb6df10c

SHA512
2462008010263772ed24dbf2e6b9c002e29334c7529ddbc5f8272dbb41d5eb54dcc9556ade4dab79f32a10cdff67520882a5505f80dd23a752ea69407afd654e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
c0cc82780256563d53cfa2312e641c05

SHA1
fc8703c28810cca8da275afe9d7103a0b2415644

SHA256
2aabf207ab9347215357dbb719df61e66911a71b98ae8538eb28dbed6f973dc4

SHA512
c8788c2f18ac9fcd696a8540c83784c718888faff3331b728393d3813e00cd7e7f4f1b7c60218b8dd5652ae7c0baf3f39f56f18e4314c250ef2cfdd8001ee550

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ONPDW741\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\svchosts.exe

Filesize
43KB

MD5
8a72777b7f9253e39f56e2268407705d

SHA1
9e9b852fb16c42dc84e7dc8703bb8f4f71c801dd

SHA256
a8a91ff9909250052d82119c7bf4480baf1231c5ec1b33e51cfbaeb3ad5d2449

SHA512
fddb4fb80cacb0e9997a071d236949fe80b12429381c62d0567102bd887799acc9cdfbe0702de62a67df980b5578b175e7ded567a9974f603ef3fc6ce43228c5

Download Submit
memory/3976-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3976-87-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4756-91-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5312-36-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-26-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-17-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-16-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-19-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-24-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-30-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-40-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-41-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-49-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-48-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-44-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-43-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-42-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-39-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-38-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-37-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-11-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-34-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-32-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-29-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-13-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-27-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-22-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-21-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-20-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-28-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-18-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-15-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-14-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-50-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-51-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-52-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-57-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-65-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-63-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-67-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-69-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-10-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-66-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-64-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-71-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download
memory/5312-74-0x00007FF9792D0000-0x00007FF97933E000-memory.dmp

Filesize
440KB

Download