a42d9fd7e8e5c69fc70ca8079f001ef28aecb582817329f58147f033e82cf314

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 04:28

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General

Target

88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe
Size

140KB
MD5

88fe305bbf9afcad59021e4a714cab40
SHA1

43a35d8e7690d90eb06a5b0ee860c901ccab667f
SHA256

a42d9fd7e8e5c69fc70ca8079f001ef28aecb582817329f58147f033e82cf314
SHA512

4e02f926fae7cf83e3fe0a289c10055ee03a0f435b90d13b88fcea5e69dee78d59ffdfffd58b16d46c89128eaed0648dd54c3fbf56ed35072d9927b0df56aecc
SSDEEP

3072:UJUv62uGoN4z7f5OU+0W5K8lCmbDH6RifHx9qKuX96Vt197:Ni2uGzzjZ+0bvmbDaROI/6Vt1h

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3424	Kxslsv.exe
4888	Kxslsv.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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kxslsv = "C:\\Users\\Admin\\AppData\\Roaming\\Kxslsv.exe"	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5000 set thread context of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 3424 set thread context of 4888	3424	Kxslsv.exe	96

System Location Discovery: System Language Discovery 1 TTPs 6 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	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kxslsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kxslsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{36C6193C-579A-11EF-84CD-DEB7298358C0} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31124391"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31124391"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "197202660"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "197515205"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31124391"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "197202660"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31124391"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "197515205"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430115507"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3532	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe
3532	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	Kxslsv.exe
Token: SeDebugPrivilege	2464	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2260	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2260	IEXPLORE.EXE
2260	IEXPLORE.EXE
2464	IEXPLORE.EXE
2464	IEXPLORE.EXE
2464	IEXPLORE.EXE
2464	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 5000 wrote to memory of 3532	5000	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	84
PID 3532 wrote to memory of 3424	3532	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	95
PID 3532 wrote to memory of 3424	3532	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	95
PID 3532 wrote to memory of 3424	3532	88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe	95
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 3424 wrote to memory of 4888	3424	Kxslsv.exe	96
PID 4888 wrote to memory of 392	4888	Kxslsv.exe	97
PID 4888 wrote to memory of 392	4888	Kxslsv.exe	97
PID 4888 wrote to memory of 392	4888	Kxslsv.exe	97
PID 392 wrote to memory of 2260	392	iexplore.exe	98
PID 392 wrote to memory of 2260	392	iexplore.exe	98
PID 2260 wrote to memory of 2464	2260	IEXPLORE.EXE	99
PID 2260 wrote to memory of 2464	2260	IEXPLORE.EXE	99
PID 2260 wrote to memory of 2464	2260	IEXPLORE.EXE	99
PID 4888 wrote to memory of 2464	4888	Kxslsv.exe	99
PID 4888 wrote to memory of 2464	4888	Kxslsv.exe	99

C:\Users\Admin\AppData\Local\Temp\88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Users\Admin\AppData\Local\Temp\88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\88fe305bbf9afcad59021e4a714cab40_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3532
- - C:\Users\Admin\AppData\Roaming\Kxslsv.exe
    "C:\Users\Admin\AppData\Roaming\Kxslsv.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3424
  - - C:\Users\Admin\AppData\Roaming\Kxslsv.exe
      "C:\Users\Admin\AppData\Roaming\Kxslsv.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4888
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:392
      - 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:2260
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2260 CREDAT:17410 /prefetch:2
        7⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2464

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

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\Local\Microsoft\Internet Explorer\VersionManager\ver124B.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
140KB

MD5
88fe305bbf9afcad59021e4a714cab40

SHA1
43a35d8e7690d90eb06a5b0ee860c901ccab667f

SHA256
a42d9fd7e8e5c69fc70ca8079f001ef28aecb582817329f58147f033e82cf314

SHA512
4e02f926fae7cf83e3fe0a289c10055ee03a0f435b90d13b88fcea5e69dee78d59ffdfffd58b16d46c89128eaed0648dd54c3fbf56ed35072d9927b0df56aecc

Download Submit
memory/3424-18-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3532-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3532-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3532-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3532-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4888-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4888-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5000-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5000-3-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download