Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2024 21:21
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe
Resource
win7-20241010-en
General
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Target
2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe
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Size
671KB
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MD5
2771c5047c43a95cb2e844a824222524
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SHA1
4e8c124cac00278dd1900eb0276fd26ba662330c
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SHA256
1e27b32cb569d966b7c4d0097561521a9e561bd186e3d95f4cf43c13b70748e2
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SHA512
718b486d87eaebc84e192b57c5ddebff3abb5db73bbd72d5053b02c47f361e64b0eeee2eca36e3636b5dcb876f8c86847a85d8b79e96ba2ad3f4db2f0a1bc024
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SSDEEP
6144:PJOEOW62VY+BwGPDtvKfgnJd5OgjvX+F1JjVXK6DuzoTqe:P/D6F+BwG7tvLqpCz
Malware Config
Extracted
phorphiex
http://185.215.113.66/
http://91.202.233.141/
0xCa90599132C4D88907Bd8E046540284aa468a035
TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT
MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q
4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK
ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3ESHude8zUHksQg1h6hHmzY79BS36L91Yn
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
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mutex
753f85d83d
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Extracted
phorphiex
http://185.215.113.84
http://185.215.113.66
185.215.113.66
Signatures
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Phorphiex family
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Phorphiex payload 1 IoCs
resource yara_rule behavioral2/files/0x0009000000023bd2-10.dat family_phorphiex -
Downloads MZ/PE file
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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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 2559427899.exe -
Executes dropped EXE 8 IoCs
pid Process 2880 B391.exe 3892 2043924142.exe 680 sysnldcvmr.exe 4440 2559427899.exe 4992 868512623.exe 3380 793710777.exe 3028 225581479.exe 876 3419527623.exe -
Reads user/profile data of web browsers 3 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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysnldcvmr.exe" 2043924142.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\sysnldcvmr.exe 2043924142.exe File created C:\Windows\sysnldcvmr.exe 2043924142.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 8 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 sysnldcvmr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 868512623.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 793710777.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 225581479.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3419527623.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B391.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2043924142.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4440 2559427899.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4440 2559427899.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 3508 wrote to memory of 2880 3508 2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe 82 PID 3508 wrote to memory of 2880 3508 2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe 82 PID 3508 wrote to memory of 2880 3508 2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe 82 PID 2880 wrote to memory of 3892 2880 B391.exe 83 PID 2880 wrote to memory of 3892 2880 B391.exe 83 PID 2880 wrote to memory of 3892 2880 B391.exe 83 PID 3892 wrote to memory of 680 3892 2043924142.exe 88 PID 3892 wrote to memory of 680 3892 2043924142.exe 88 PID 3892 wrote to memory of 680 3892 2043924142.exe 88 PID 680 wrote to memory of 4440 680 sysnldcvmr.exe 93 PID 680 wrote to memory of 4440 680 sysnldcvmr.exe 93 PID 4440 wrote to memory of 408 4440 2559427899.exe 94 PID 4440 wrote to memory of 408 4440 2559427899.exe 94 PID 4440 wrote to memory of 1196 4440 2559427899.exe 96 PID 4440 wrote to memory of 1196 4440 2559427899.exe 96 PID 408 wrote to memory of 1308 408 cmd.exe 98 PID 408 wrote to memory of 1308 408 cmd.exe 98 PID 1196 wrote to memory of 2564 1196 cmd.exe 99 PID 1196 wrote to memory of 2564 1196 cmd.exe 99 PID 680 wrote to memory of 4992 680 sysnldcvmr.exe 101 PID 680 wrote to memory of 4992 680 sysnldcvmr.exe 101 PID 680 wrote to memory of 4992 680 sysnldcvmr.exe 101 PID 680 wrote to memory of 3380 680 sysnldcvmr.exe 102 PID 680 wrote to memory of 3380 680 sysnldcvmr.exe 102 PID 680 wrote to memory of 3380 680 sysnldcvmr.exe 102 PID 680 wrote to memory of 3028 680 sysnldcvmr.exe 103 PID 680 wrote to memory of 3028 680 sysnldcvmr.exe 103 PID 680 wrote to memory of 3028 680 sysnldcvmr.exe 103 PID 3028 wrote to memory of 876 3028 225581479.exe 104 PID 3028 wrote to memory of 876 3028 225581479.exe 104 PID 3028 wrote to memory of 876 3028 225581479.exe 104 -
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\2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-26_2771c5047c43a95cb2e844a824222524_bkransomware_hawkeye.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Users\Admin\AppData\Local\Temp\B391.exe"C:\Users\Admin\AppData\Local\Temp\B391.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Users\Admin\AppData\Local\Temp\2043924142.exeC:\Users\Admin\AppData\Local\Temp\2043924142.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\sysnldcvmr.exeC:\Windows\sysnldcvmr.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Users\Admin\AppData\Local\Temp\2559427899.exeC:\Users\Admin\AppData\Local\Temp\2559427899.exe5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f6⤵
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Windows\system32\reg.exereg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f7⤵PID:1308
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"6⤵
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\system32\schtasks.exeschtasks /delete /f /tn "Windows Upgrade Manager"7⤵PID:2564
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C:\Users\Admin\AppData\Local\Temp\868512623.exeC:\Users\Admin\AppData\Local\Temp\868512623.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4992
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C:\Users\Admin\AppData\Local\Temp\793710777.exeC:\Users\Admin\AppData\Local\Temp\793710777.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3380
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C:\Users\Admin\AppData\Local\Temp\225581479.exeC:\Users\Admin\AppData\Local\Temp\225581479.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Users\Admin\AppData\Local\Temp\3419527623.exeC:\Users\Admin\AppData\Local\Temp\3419527623.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:876
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
79KB
MD50c883b1d66afce606d9830f48d69d74b
SHA1fe431fe73a4749722496f19b3b3ca0b629b50131
SHA256d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1
SHA512c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5
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Filesize
11KB
MD583a784716728ca579619d0e13a9f17b0
SHA15e33ca9dab3c0df2edcd597b8b0da06c88f18f6b
SHA2569dc0b007f33f768fff2249388428981d89cfcee3e5babd206bbaeb7d5cc34b4f
SHA512f8218a8e977f0ec340e7139041cfff8bac4cc23bcea0c0c0d7717ead76093d45d10acd72a5846486e9348ce642f529824f1575d0d28b8d2f566c543c7c9d3bc4
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Filesize
8KB
MD5cb8420e681f68db1bad5ed24e7b22114
SHA1416fc65d538d3622f5ca71c667a11df88a927c31
SHA2565850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
SHA512baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf
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Filesize
20KB
MD52473392c0a773aad20da1519aa6f464b
SHA12068ffd843bb8c7c7749193f6d1c5f0a9b97b280
SHA2563d33e8778ea8194d486d42784411e8528c602594abdf3e32cdcee521a10f3ce7
SHA5125455866f5fc53ae48ff24222b40a264bf673102435abeac2a61ba6fcaa1de429d8f078d4d065cb5d77b96de87f343579651b718e0a60934fb9fa35818d948074
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Filesize
49KB
MD5c38ea1b0838858f21ea572f60c69de0c
SHA1f5e34c47b0630056ba00df97641926f9579b384a
SHA256cae7ef69cce550af020bfc474c6e035882383b022d63e926c52bd8c3ad1d78e4
SHA512f9c55f31b9466c412711462322c167aadb72492d70fe5fe89ab5500b86eae8f42de29bc3e469b3f73eab9dd47061b51410d5bee444da0bad719c94c897c59d72
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Filesize
10KB
MD596509ab828867d81c1693b614b22f41d
SHA1c5f82005dbda43cedd86708cc5fc3635a781a67e
SHA256a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744
SHA512ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca
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Filesize
10KB
MD508dafe3bb2654c06ead4bb33fb793df8
SHA1d1d93023f1085eed136c6d225d998abf2d5a5bf0
SHA256fc16c0bf09002c93723b8ab13595db5845a50a1b6a133237ac2d148b0bb41700
SHA5129cf2bd749a9ee6e093979bc0d3aacfba03ad6469c98ff3ef35ce5d1635a052e4068ac50431626f6ba8649361802f7fb2ffffb2b325e2795c54b7014180559c99