Analysis
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max time kernel
119s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2024 13:56
Static task
static1
Behavioral task
behavioral1
Sample
6cb81d3fc345ce884fe28d9c4033f100N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6cb81d3fc345ce884fe28d9c4033f100N.exe
Resource
win10v2004-20240802-en
General
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Target
6cb81d3fc345ce884fe28d9c4033f100N.exe
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Size
88KB
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MD5
6cb81d3fc345ce884fe28d9c4033f100
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SHA1
6f3428fb12b77ffad2346b3be7e154f22babc2b7
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SHA256
0df52dbd6954826bc66f7b0dfc8ce63fcbc7a513a5abc9b769fb3f34f5b6d4fc
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SHA512
1868d244c590f281fdc60ed468162c5c2dea7c83462118ed0b4f18d8845f5f1881294a33ac2cbbeba6b39d79d05094609ae0a24e2be28f3ed88970682e694ba2
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SSDEEP
768:vAG68qOJ+TtMBwHpFeh6gM1rA8dOsc7jUq4RkA5o3K1DfsvtzsXjLft+9o1mm:vAGHqlZMuLFjnAzA5o6BfItoXjLl0hm
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6cb81d3fc345ce884fe28d9c4033f100N.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jolem.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation 6cb81d3fc345ce884fe28d9c4033f100N.exe -
Executes dropped EXE 1 IoCs
pid Process 4160 jolem.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /g" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /n" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /a" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /u" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /w" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /j" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /v" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /r" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /o" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /m" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /i" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /q" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /j" 6cb81d3fc345ce884fe28d9c4033f100N.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /x" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /p" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /s" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /h" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /z" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /d" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /c" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /k" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /e" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /t" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /y" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /b" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /l" jolem.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jolem = "C:\\Users\\Admin\\jolem.exe /f" jolem.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6cb81d3fc345ce884fe28d9c4033f100N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jolem.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1144 6cb81d3fc345ce884fe28d9c4033f100N.exe 1144 6cb81d3fc345ce884fe28d9c4033f100N.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe 4160 jolem.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1144 6cb81d3fc345ce884fe28d9c4033f100N.exe 4160 jolem.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1144 wrote to memory of 4160 1144 6cb81d3fc345ce884fe28d9c4033f100N.exe 91 PID 1144 wrote to memory of 4160 1144 6cb81d3fc345ce884fe28d9c4033f100N.exe 91 PID 1144 wrote to memory of 4160 1144 6cb81d3fc345ce884fe28d9c4033f100N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\6cb81d3fc345ce884fe28d9c4033f100N.exe"C:\Users\Admin\AppData\Local\Temp\6cb81d3fc345ce884fe28d9c4033f100N.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\jolem.exe"C:\Users\Admin\jolem.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4160
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
88KB
MD50c37926c6294419de668c40aabbd45e9
SHA121f9af3104172e47c7ba27bff3e473d11286a522
SHA256d9ff721215952eec1bc9eb97363c5425f9fca11eccc0b1a63c55dbe6488b9512
SHA51258198f2a6a34db6e8738b3f063f9882193d25fd6bc1f42cdecdbda9f63413cec5706c7a59e99575d3e253aecd0ba6b0175eb66dc950b0e6fa0b0bae491390e40