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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01/07/2024, 23:22
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win10v2004-20240611-en
General
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Target
Loader.exe
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Size
59KB
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MD5
07ac8571846ca0cc9f6fcdbe1d000be2
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SHA1
3cbe16f7d24d40b590f97b1999c64c5bb889e8c6
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SHA256
2a3bcea7cadf94c65d4462b2297285078f5232e84267dfa641cb23475ffdb1b5
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SHA512
56413d14e5ee2e615c19232d93047c9d2cc422e083eda0f9f5ae1dc04798989e73d5ad80e06a7dda166deb0177206fb1ed045773bba3975667c12409d67d1e7e
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SSDEEP
1536:oG5dn7tpWah7AuW7ttyCoTf1AZbr4w0eb6giOJ5LX:lD5pHJdOttyxuZbrp2OJ9X
Malware Config
Extracted
xworm
unique-emotions.gl.at.ply.gg:54742
wiz.bounceme.net:6000
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Install_directory
%AppData%
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install_file
USB.exe
Extracted
mercurialgrabber
https://discordapp.com/api/webhooks/1256033718615801999/30uWN_aNeK535vYxz4VbBzXef1VOIVGrPIFsTv-L91_8YPN5UWyf6TKGfk-GmCmwftJo
Signatures
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Detect Xworm Payload 3 IoCs
resource yara_rule behavioral1/memory/1008-0-0x00000000001A0000-0x00000000001B6000-memory.dmp family_xworm behavioral1/files/0x000800000002356c-47.dat family_xworm behavioral1/memory/1008-50-0x000000001C010000-0x000000001C01E000-memory.dmp family_xworm -
Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions Loader.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4032 powershell.exe 4308 powershell.exe 3156 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools Loader.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Loader.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-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation Loader.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Loader.lnk Loader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Loader.lnk Loader.exe -
Executes dropped EXE 3 IoCs
pid Process 3736 Loader.exe 1796 Loader.exe 2020 Loader.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Loader = "C:\\Users\\Admin\\AppData\\Roaming\\Loader.exe" Loader.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 46 ip4.seeip.org 47 ip4.seeip.org 49 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Loader.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Loader.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S Loader.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Loader.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation Loader.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4204 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3156 powershell.exe 3156 powershell.exe 4032 powershell.exe 4032 powershell.exe 4308 powershell.exe 4308 powershell.exe 1008 Loader.exe 1008 Loader.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1008 Loader.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 1008 Loader.exe Token: SeDebugPrivilege 3736 Loader.exe Token: SeDebugPrivilege 1796 Loader.exe Token: SeDebugPrivilege 2020 Loader.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1008 Loader.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1008 wrote to memory of 3156 1008 Loader.exe 87 PID 1008 wrote to memory of 3156 1008 Loader.exe 87 PID 1008 wrote to memory of 4032 1008 Loader.exe 89 PID 1008 wrote to memory of 4032 1008 Loader.exe 89 PID 1008 wrote to memory of 4308 1008 Loader.exe 93 PID 1008 wrote to memory of 4308 1008 Loader.exe 93 PID 1008 wrote to memory of 4204 1008 Loader.exe 97 PID 1008 wrote to memory of 4204 1008 Loader.exe 97 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Loader.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Loader.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Loader.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Loader" /tr "C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:4204
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C:\Users\Admin\AppData\Roaming\Loader.exeC:\Users\Admin\AppData\Roaming\Loader.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3736
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C:\Users\Admin\AppData\Roaming\Loader.exeC:\Users\Admin\AppData\Roaming\Loader.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1796
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C:\Users\Admin\AppData\Roaming\Loader.exeC:\Users\Admin\AppData\Roaming\Loader.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2020
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
944B
MD515dde0683cd1ca19785d7262f554ba93
SHA1d039c577e438546d10ac64837b05da480d06bf69
SHA256d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
SHA51257c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
59KB
MD507ac8571846ca0cc9f6fcdbe1d000be2
SHA13cbe16f7d24d40b590f97b1999c64c5bb889e8c6
SHA2562a3bcea7cadf94c65d4462b2297285078f5232e84267dfa641cb23475ffdb1b5
SHA51256413d14e5ee2e615c19232d93047c9d2cc422e083eda0f9f5ae1dc04798989e73d5ad80e06a7dda166deb0177206fb1ed045773bba3975667c12409d67d1e7e