ea9e2c811d6462fd2350fa37aa03a4630ffcac0ff860be645786118f7e52c8ff

Analysis

max time kernel
93s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 17:52

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General

Target

3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
Size

573KB
MD5

3e4d9b3b196f759c2c5d349eebfbe590
SHA1

7ec95e2339f07a8737669e49fcb589b5cc1a0906
SHA256

ea9e2c811d6462fd2350fa37aa03a4630ffcac0ff860be645786118f7e52c8ff
SHA512

8a9b9a9cfadfeee0852f061923bf411bce040246ddb5d55415dc64bd008f3047386830e9c5a6e177f4913639a28fa50b02048008e61dd700143f544081567067
SSDEEP

12288:NaG7IryTkb8LXddt7FM72U6dZDS78oNCZe7sdJko84kCGUh15VRN/FuZrW:kG76yBLXXR29woMY0JdKUFlFuZq

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023424-5.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3936	BSClientName.exe

Loads dropped DLL 6 IoCs

pid	Process
4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
3936	BSClientName.exe
3936	BSClientName.exe
3936	BSClientName.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4980-0-0x0000000000400000-0x00000000004547F9-memory.dmp	upx
behavioral2/files/0x0008000000023424-5.dat	upx
behavioral2/memory/4980-6-0x0000000010000000-0x0000000010128000-memory.dmp	upx
behavioral2/files/0x0007000000023427-18.dat	upx
behavioral2/memory/3936-25-0x0000000010000000-0x0000000010128000-memory.dmp	upx
behavioral2/memory/3936-24-0x0000000000400000-0x00000000004547F9-memory.dmp	upx
behavioral2/memory/4980-38-0x0000000000400000-0x00000000004547F9-memory.dmp	upx
behavioral2/memory/4980-40-0x0000000010000000-0x0000000010128000-memory.dmp	upx
behavioral2/memory/3936-52-0x0000000000400000-0x00000000004547F9-memory.dmp	upx
behavioral2/memory/3936-51-0x0000000010000000-0x0000000010128000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\BSClientName.exe	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\BSClientName.dll	BSClientName.exe
File opened for modification	C:\Windows\SysWOW64\BSClientName.dll	BSClientName.exe
File created	C:\Windows\SysWOW64\BSClientName.exe	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\562a58fcde10384b8d46b5c89eedaf5d.dat	BSClientName.exe
File opened for modification	C:\Windows\Fonts\562a58fcde10384b8d46b5c89eedaf5d.dat	BSClientName.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 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31118468"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1310112333"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1329018743"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{77B3BD33-4077-11EF-81F6-EA2793781481} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31118468"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31118468"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1329018743"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1310112333"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31118468"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	BSClientName.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427571707"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3936	BSClientName.exe
3936	BSClientName.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3988	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
3936	BSClientName.exe
3988	IEXPLORE.EXE
3988	IEXPLORE.EXE
2028	IEXPLORE.EXE
2028	IEXPLORE.EXE
2028	IEXPLORE.EXE
2028	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 3936	4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe	84
PID 4980 wrote to memory of 3936	4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe	84
PID 4980 wrote to memory of 3936	4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe	84
PID 3936 wrote to memory of 3988	3936	BSClientName.exe	87
PID 3936 wrote to memory of 3988	3936	BSClientName.exe	87
PID 3988 wrote to memory of 2028	3988	IEXPLORE.EXE	88
PID 3988 wrote to memory of 2028	3988	IEXPLORE.EXE	88
PID 3988 wrote to memory of 2028	3988	IEXPLORE.EXE	88
PID 4980 wrote to memory of 468	4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe	89
PID 4980 wrote to memory of 468	4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe	89
PID 4980 wrote to memory of 468	4980	3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe	89
PID 3936 wrote to memory of 3988	3936	BSClientName.exe	87

C:\Users\Admin\AppData\Local\Temp\3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3e4d9b3b196f759c2c5d349eebfbe590_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\SysWOW64\BSClientName.exe
  C:\Windows\system32\BSClientName.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3988 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\duxjpee.bat
  2⤵
  PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2C3B.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCRJMNF7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
f79ee77a4f30401507e6f54a61598f58

SHA1
7f3ef4945f621ed2880ff5a10a126957b2011a17

SHA256
cf8e29720823eb114fbc3018569a7296ed3e6fcd6c4897f50c5c6e0e98d0b3f8

SHA512
26ccde784b06c46f60fb5a105c806c4d9dc1497fd79d39728fbcfa869d470ca2ba018b0665f3cbc05019fb0766dac2eb1084a6fdce2f9aaaae881beb09dd3739

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
407KB

MD5
783a2f0cc9d2c13f2cb980b5bd198005

SHA1
a1bafe779952f61946fe9003e48dddc65184c6da

SHA256
e21bf808a0f4c0d6e971267bb61cb00bd9acf45ddabd6db90f906ba064a3489f

SHA512
c35d6a39658722dc603e372c92ef18fe7700bfda435230cf5fc39c61c3044481a581cfe797c88fd131e6ecb5940ac31423b33b86b2d52e57df2a1c5669e2bbdc

Download Submit
C:\Windows\SysWOW64\BSClientName.exe

Filesize
573KB

MD5
3e4d9b3b196f759c2c5d349eebfbe590

SHA1
7ec95e2339f07a8737669e49fcb589b5cc1a0906

SHA256
ea9e2c811d6462fd2350fa37aa03a4630ffcac0ff860be645786118f7e52c8ff

SHA512
8a9b9a9cfadfeee0852f061923bf411bce040246ddb5d55415dc64bd008f3047386830e9c5a6e177f4913639a28fa50b02048008e61dd700143f544081567067

Download Submit
\??\c:\duxjpee.bat

Filesize
232B

MD5
45995c76109bdb22a8a6e4792fda5a98

SHA1
fcce384d782175a43b3d1154e58af4d631b77180

SHA256
9c5f927d13d86d2423e2c1bf8ef88e51ef9b668af0aeb6a5c1053af457045f0e

SHA512
4c4a47f1bed5cf88b87eaba321f23e3fbcfccf2675861cdec9127ad023094dc1acc615e088726b99141dd19ac402b541a499c495da1f051345e849c301547cd9

Download Submit
memory/3936-24-0x0000000000400000-0x00000000004547F9-memory.dmp

Filesize
337KB

Download
memory/3936-25-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/3936-33-0x00000000024A0000-0x00000000024BE000-memory.dmp

Filesize
120KB

Download
memory/3936-52-0x0000000000400000-0x00000000004547F9-memory.dmp

Filesize
337KB

Download
memory/3936-51-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/4980-0-0x0000000000400000-0x00000000004547F9-memory.dmp

Filesize
337KB

Download
memory/4980-38-0x0000000000400000-0x00000000004547F9-memory.dmp

Filesize
337KB

Download
memory/4980-40-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/4980-39-0x0000000000401000-0x000000000043B000-memory.dmp

Filesize
232KB

Download
memory/4980-12-0x0000000002320000-0x000000000233E000-memory.dmp

Filesize
120KB

Download
memory/4980-6-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/4980-1-0x0000000000401000-0x000000000043B000-memory.dmp

Filesize
232KB

Download