5af5ad497c0b13118c5ce43ccab49e28dca7623ef501211975898221e238c4a3

Analysis

max time kernel
94s
max time network
114s
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, 15:29

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General

Target

2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe
Size

3.1MB
MD5

2cda586136f8a627a6087dcbfafc6e6f
SHA1

f0fd185a614e0e8570f32206ffd885ef0060d4a4
SHA256

5af5ad497c0b13118c5ce43ccab49e28dca7623ef501211975898221e238c4a3
SHA512

8f7943dc705ed7a9ad2fa94cc6483bf45ac13117aa2545d2b06288dab119b915d405962838b3152426d17fa6550bdf2e018e6532f925b55643ead8334a16ae24
SSDEEP

98304:E8R0S0Tk+u+6x3K3n75Ye3osBHFEq7gh32Em7:Ei7+KVK3Kmo6FEOghm

Score

7^/10

vmprotect

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/4508-0-0x0000000000400000-0x0000000000AF8000-memory.dmp	vmprotect
behavioral2/memory/4508-1-0x0000000000400000-0x0000000000AF8000-memory.dmp	vmprotect
behavioral2/memory/4508-15-0x0000000000400000-0x0000000000AF8000-memory.dmp	vmprotect

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SkinH_EL.dll	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1998564339"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31117711"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427246650"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A28FFA2D-3D82-11EF-8B18-7A21B4CEDB13} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1995595954"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31117711"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\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-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f03457b9455cbd409827dac7c6413b1d00000000020000000000106600000001000020000000991ce7490265ccd87358185f092c4f812ea89e3ae161448edf863d4b0ef1e9fa000000000e80000000020000200000005f0f6f0e101a46665c74d49bad5d20b140223f6d32e52a99025f5a07b6a37c1620000000d9fd231cf073fa4ea850ac8b6217cd6c4ad94ce23c1421b80e4c0b88c3328fcd4000000041991529faf64ef5d3f3e9c3c461a59d9f4713ab50265be8bd738879886ee115112d296fdd8c19f7446583b0b2f3fb44a160561ba0a09f6fb089e249f67c7364	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31117711"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 800160778fd1da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1995595954"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f03457b9455cbd409827dac7c6413b1d00000000020000000000106600000001000020000000fa1a2713386cfb926329740c04e6ee9cbc72ce4aa24b41579083156531d98ce6000000000e800000000200002000000005fe0c7a3a04199c1943c94d7308d1a121e6a905ec9ae49863a197b34fbf1438200000007791b9d3922ad9a8d1e464a6de5d728faff96937c6be017d7f4cfc4b0c2ed60840000000cb5fab0615e0bae183a8f53de174c6a96f832e021f8e91ac81c80a071c5023859515b1aa864fee83ae38043a0c577c35b0660d131e7aecac9c5be35111db1ab1	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 702d67778fd1da01	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe
4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe
4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe
2972	iexplore.exe
2972	iexplore.exe
1112	IEXPLORE.EXE
1112	IEXPLORE.EXE
1112	IEXPLORE.EXE
1112	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 2972	4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe	85
PID 4508 wrote to memory of 2972	4508	2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe	85
PID 2972 wrote to memory of 1112	2972	iexplore.exe	86
PID 2972 wrote to memory of 1112	2972	iexplore.exe	86
PID 2972 wrote to memory of 1112	2972	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2cda586136f8a627a6087dcbfafc6e6f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.dnfjinbao.com/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2972 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9X9HPJHY\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\SkinH_EL.dll

Filesize
688KB

MD5
bd42ef63fc0f79fdaaeca95d62a96bbb

SHA1
97ca8ccb0e6f7ffeb05dc441b2427feb0b634033

SHA256
573cf4e4dfa8fe51fc8b80b79cd626cb861260d26b6e4f627841e11b4dce2f48

SHA512
431b5487003add16865538de428bf518046ee97ab6423d88f92cda4ff263f971c0cf3827049465b9288a219cc32698fd687939c7c648870dd7d8d6776735c93c

Download Submit
memory/4508-0-0x0000000000400000-0x0000000000AF8000-memory.dmp

Filesize
7.0MB

Download
memory/4508-1-0x0000000000400000-0x0000000000AF8000-memory.dmp

Filesize
7.0MB

Download
memory/4508-15-0x0000000000400000-0x0000000000AF8000-memory.dmp

Filesize
7.0MB

Download