Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-08-2024 16:51
Static task
static1
Behavioral task
behavioral1
Sample
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe
Resource
win10v2004-20240802-en
General
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Target
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe
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Size
296KB
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MD5
7c43de969f5117062f9e2aff9c32b5c8
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SHA1
5887cd36102f856abf27e885c3c10e78ca8032a4
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SHA256
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72
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SHA512
30004800e2b002e4b1f1c6bbdc4fc8a00d5f56ddb859b1047fcce63dd14ca51cc3ef9d7599b440b9795e3587b6af333728d75bd37ae5004ef3189f530ef6eebd
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SSDEEP
6144:clGtyUXasfHznB3XjdOwkL1xOh9XLpf6TUIa1bq/KMw:cJUXBB3zEjLPUf6J
Malware Config
Extracted
xworm
127.0.0.1:19121
goods-flex.gl.at.ply.gg:19121
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Install_directory
%Public%
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install_file
calc.exe
Extracted
phemedrone
https://api.telegram.org/bot6766891578:AAE47sIyviQ0_skRFQtvxeYcndg1C8RFyo4/sendDocument
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\calcc.exe family_xworm behavioral2/memory/4640-52-0x0000000000D70000-0x0000000000D88000-memory.dmp family_xworm -
Phemedrone
An information and wallet stealer written in C#.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 720 powershell.exe 4624 powershell.exe 5060 powershell.exe 2364 powershell.exe 1312 powershell.exe 4272 powershell.exe 856 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.execalcc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation calcc.exe -
Drops startup file 2 IoCs
Processes:
calcc.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\calc.lnk calcc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\calc.lnk calcc.exe -
Executes dropped EXE 5 IoCs
Processes:
launcher.execalcc.exeSync Center.execalc.execalc.exepid process 4500 launcher.exe 4640 calcc.exe 3688 Sync Center.exe 3556 calc.exe 3380 calc.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
calcc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\calc = "C:\\Users\\Public\\calc.exe" calcc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 7 ip-api.com 15 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
powershell.exepowershell.exepowershell.exeSync Center.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1312 powershell.exe 1312 powershell.exe 4272 powershell.exe 4272 powershell.exe 856 powershell.exe 856 powershell.exe 3688 Sync Center.exe 720 powershell.exe 720 powershell.exe 4624 powershell.exe 4624 powershell.exe 5060 powershell.exe 5060 powershell.exe 2364 powershell.exe 2364 powershell.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
Processes:
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exepowershell.exepowershell.execalcc.exepowershell.exeSync Center.exepowershell.exepowershell.exepowershell.exepowershell.execalc.execalc.exedescription pid process Token: SeDebugPrivilege 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe Token: SeDebugPrivilege 1312 powershell.exe Token: SeDebugPrivilege 4272 powershell.exe Token: SeDebugPrivilege 4640 calcc.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 3688 Sync Center.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 5060 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 4640 calcc.exe Token: SeDebugPrivilege 3556 calc.exe Token: SeDebugPrivilege 3380 calc.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exelauncher.execalcc.exedescription pid process target process PID 4260 wrote to memory of 1312 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe powershell.exe PID 4260 wrote to memory of 1312 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe powershell.exe PID 4260 wrote to memory of 4500 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe launcher.exe PID 4260 wrote to memory of 4500 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe launcher.exe PID 4260 wrote to memory of 4272 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe powershell.exe PID 4260 wrote to memory of 4272 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe powershell.exe PID 4500 wrote to memory of 1164 4500 launcher.exe cmd.exe PID 4500 wrote to memory of 1164 4500 launcher.exe cmd.exe PID 4260 wrote to memory of 4640 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe calcc.exe PID 4260 wrote to memory of 4640 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe calcc.exe PID 4260 wrote to memory of 856 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe powershell.exe PID 4260 wrote to memory of 856 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe powershell.exe PID 4260 wrote to memory of 3688 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe Sync Center.exe PID 4260 wrote to memory of 3688 4260 1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe Sync Center.exe PID 4640 wrote to memory of 720 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 720 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 4624 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 4624 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 5060 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 5060 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 2364 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 2364 4640 calcc.exe powershell.exe PID 4640 wrote to memory of 5108 4640 calcc.exe schtasks.exe PID 4640 wrote to memory of 5108 4640 calcc.exe schtasks.exe -
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\1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe"C:\Users\Admin\AppData\Local\Temp\1c742cf055297ced1f29fa5779cfa2c9c53fc64d945d6edd7330beb5f0d88a72.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260 -
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\launcher.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1312
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C:\Users\Admin\AppData\Local\Temp\launcher.exe"C:\Users\Admin\AppData\Local\Temp\launcher.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c pause3⤵PID:1164
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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\Local\Temp\calcc.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4272
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C:\Users\Admin\AppData\Local\Temp\calcc.exe"C:\Users\Admin\AppData\Local\Temp\calcc.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640 -
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\calcc.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:720
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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 'calcc.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
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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\Public\calc.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060
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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 'calc.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "calc" /tr "C:\Users\Public\calc.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5108
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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\Local\Temp\Sync Center.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Users\Admin\AppData\Local\Temp\Sync Center.exe"C:\Users\Admin\AppData\Local\Temp\Sync Center.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688
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C:\Users\Public\calc.exeC:\Users\Public\calc.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3556
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C:\Users\Public\calc.exeC:\Users\Public\calc.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3380
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
Loading Replay Monitor...
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
MD5b4b6d4cc52b5a3a71149b1f33d94d5de
SHA197d3dbdd24919eab70e3b14c68797cefc07e90dd
SHA256da8c02ce00d5b1e6d4c3667465c7bbc14d7cd5227eb634f3d9690afd488267fe
SHA512fc894f03709b83df7d2fca2779e1e60549078b67bcdbff0b61c8e5a802982210ae971309c1f92577573299288963ab5c95c6b38cbaedf53dc6062812c57a97af
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD536ce492590dae6a99dc720c4b441342d
SHA1f33cf61dad0c21b77afa23e8288152dd51effeb3
SHA256e049e9723cef24d71a65551cfbe9463e3ab6de1c9ac059511ae5f461a3becde5
SHA512f291a68555f9970fe51f7dae052dfd5e2c01ff4ebb275d8a348bb7fcb6eb744fb3ce55006a850a9571ae8d0c5763f87ff1ce0f0f67e83794f4cc0056aa27935d
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Filesize
944B
MD598baf5117c4fcec1692067d200c58ab3
SHA15b33a57b72141e7508b615e17fb621612cb8e390
SHA25630bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51
SHA512344a70bfc037d54176f12db91f05bf4295bb587a5062fd1febe6f52853571170bd8ef6042cb87b893185bbae1937cf77b679d7970f8cc1c2666b0b7c1b32987d
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Filesize
944B
MD5ee9f1be5d4d351a5c376b370adcf0eea
SHA11779cecfb13c6a2f0f2813ae65d0d91ebdcf5583
SHA25670600f0f93bca5f0548bfe5503513caadda31cbcd14dc007824b0925a8626e4b
SHA512fda7345f64a6352e99bb3f5d94e58751a71d45a27147f60da32d12ff0307dbe416f482f1b9950e52ce63cbb5f0e5c1647f72dbb7a05c5419ccd8b7980ea86754
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Filesize
121KB
MD57b6c19c2c8fc4ff9cc5b136f22cf490d
SHA1e557a697a268c54a73aaffd02d25e54c4f601719
SHA256cf6c9880812d48fe7ba3a1d1a1692a881745a7fb8cf6534f94555dd7dd1c3353
SHA512afe23d16011e1eb71ce3be9f8796cf0398cc9e01415c93cd4e8403f1ee84f48e23396ab7709b60d5a9e5b3e5daee9e8f90bae99e6a85ece6475fa8bdd82f953b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
71KB
MD536686a659c023c60d85630ef9080ee34
SHA1c26facc03073d700fc65af33eb2d8a6215f065b6
SHA256eadd6fd65960900c14dd8e18a16348ec4c6f766e6316428f8cf659d02b43fb49
SHA512236eab23ae8a565532ffd063a7e31ecc9aa835c63ca243c15ddba652f639dc5249589340812299e523156ac8695571877d1af78c2a481f0b2527d90aa00c3587
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Filesize
251KB
MD5f71fc206efa0533dc5a9bdce59fd342e
SHA1077e3d50d9db91cb943c6dcdfb8913b6b4e8bfda
SHA25698d7a0cf5249443da87cc97998d885ed9811bd0790d49c8ee45577e54296acc6
SHA5122913315fdc26efced8114173761a20c52705778d8fe65a84fc6ca99e8218bf85eabec67a4693dfa9e57596d9e85597aca0d7fafc18b649a2c7b0fa71062daa8e