Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2025, 00:54
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe
Resource
win10v2004-20250502-en
General
-
Target
2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe
-
Size
354KB
-
MD5
3c325ce590daca460eddcd52111bcdb3
-
SHA1
3f1b16c6cd303672562804ac137da5a4a94b3cf3
-
SHA256
9c03e81f071c3555ab0305859af158db266b42debbc44aa34f19150549ce8665
-
SHA512
3c1f2b74a92d35251bb66706f4df082dba8773a28e5f5a742574bed98fbcfc3ab6ef88b81f6c65251a74b4fa5efc725622dd1bfd15197f3b44c1c6e95f0ae66c
-
SSDEEP
6144:P1AtjM+EVs7+W7d2lw4GAcstxxIHohqJpyQy:t+M+FdCGAfUo0aQy
Malware Config
Extracted
phorphiex
http://185.156.72.39
185.156.72.39
Extracted
phorphiex
http://185.156.72.39/
http://45.141.233.6/
TW3wpRJmZgC5WifuY468JBUCF3TEkzBT5H
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT
MF6iVGLmErYP9y4B9SwtzarDoy3ETSzYrh
4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
0x46e5cc402BC848ceC9f4d65c9B48aE7D7A24821B
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
1B8FF5WwJXNnjkVzxgPkAznVZ8uKb3Watx
ltc1qyfzdpxky7q2grz4zmqv5x0t0uwfuznl5u43c93
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3GcQJkfHq7NWgBhhNKjz7uSfM6LzADpLvX
CSLKveRL2zqkbV2TqiFVuW6twtpqgFajoUZLAJQTTQk2
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1q9tgkga69k094n5v0pn7ewmpp2kn66sh9hu65gq
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
-
mutex
l9n7b5f2r
-
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
Signatures
-
Phorphiex family
-
Phorphiex payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000024096-10.dat family_phorphiex -
Downloads MZ/PE file 2 IoCs
flow pid Process 37 2376 9078.exe 3 464 2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe -
Stops running service(s) 4 TTPs
-
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-343936533-1262634978-1863872812-1000\Control Panel\International\Geo\Nation 459715806.exe Key value queried \REGISTRY\USER\S-1-5-21-343936533-1262634978-1863872812-1000\Control Panel\International\Geo\Nation 1346313930.exe -
Executes dropped EXE 9 IoCs
pid Process 2376 9078.exe 468 1398220970.exe 2248 syscrondvr.exe 2972 syscrondvr.exe 2620 459715806.exe 4788 164377174.exe 2332 2014231258.exe 1636 1132329768.exe 4316 1346313930.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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\\syscrondvr.exe" 1398220970.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\syscrondvr.exe 1398220970.exe File opened for modification C:\Windows\syscrondvr.exe 1398220970.exe -
Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1356 sc.exe 4476 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9078.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1398220970.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language syscrondvr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 164377174.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2014231258.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1132329768.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2620 459715806.exe 4316 1346313930.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2620 459715806.exe Token: SeDebugPrivilege 4316 1346313930.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 464 wrote to memory of 2376 464 2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe 85 PID 464 wrote to memory of 2376 464 2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe 85 PID 464 wrote to memory of 2376 464 2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe 85 PID 2376 wrote to memory of 468 2376 9078.exe 103 PID 2376 wrote to memory of 468 2376 9078.exe 103 PID 2376 wrote to memory of 468 2376 9078.exe 103 PID 468 wrote to memory of 2248 468 1398220970.exe 105 PID 468 wrote to memory of 2248 468 1398220970.exe 105 PID 468 wrote to memory of 2248 468 1398220970.exe 105 PID 1432 wrote to memory of 2972 1432 cmd.exe 107 PID 1432 wrote to memory of 2972 1432 cmd.exe 107 PID 1432 wrote to memory of 2972 1432 cmd.exe 107 PID 2248 wrote to memory of 2620 2248 syscrondvr.exe 109 PID 2248 wrote to memory of 2620 2248 syscrondvr.exe 109 PID 2620 wrote to memory of 3384 2620 459715806.exe 110 PID 2620 wrote to memory of 3384 2620 459715806.exe 110 PID 3384 wrote to memory of 1356 3384 cmd.exe 112 PID 3384 wrote to memory of 1356 3384 cmd.exe 112 PID 3384 wrote to memory of 4476 3384 cmd.exe 113 PID 3384 wrote to memory of 4476 3384 cmd.exe 113 PID 2248 wrote to memory of 4788 2248 syscrondvr.exe 121 PID 2248 wrote to memory of 4788 2248 syscrondvr.exe 121 PID 2248 wrote to memory of 4788 2248 syscrondvr.exe 121 PID 2248 wrote to memory of 2332 2248 syscrondvr.exe 122 PID 2248 wrote to memory of 2332 2248 syscrondvr.exe 122 PID 2248 wrote to memory of 2332 2248 syscrondvr.exe 122 PID 2248 wrote to memory of 1636 2248 syscrondvr.exe 123 PID 2248 wrote to memory of 1636 2248 syscrondvr.exe 123 PID 2248 wrote to memory of 1636 2248 syscrondvr.exe 123 PID 2248 wrote to memory of 4316 2248 syscrondvr.exe 124 PID 2248 wrote to memory of 4316 2248 syscrondvr.exe 124 PID 4316 wrote to memory of 2404 4316 1346313930.exe 125 PID 4316 wrote to memory of 2404 4316 1346313930.exe 125 PID 2404 wrote to memory of 4476 2404 cmd.exe 127 PID 2404 wrote to memory of 4476 2404 cmd.exe 127 PID 2404 wrote to memory of 4464 2404 cmd.exe 128 PID 2404 wrote to memory of 4464 2404 cmd.exe 128
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-05-14_3c325ce590daca460eddcd52111bcdb3_black-basta_mespinoza_ryuk.exe"1⤵
- Downloads MZ/PE file
- Suspicious use of WriteProcessMemory
PID:464 -
C:\Users\Admin\AppData\Local\Temp\9078.exe"C:\Users\Admin\AppData\Local\Temp\9078.exe"2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Users\Admin\AppData\Local\Temp\1398220970.exeC:\Users\Admin\AppData\Local\Temp\1398220970.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:468 -
C:\Windows\syscrondvr.exeC:\Windows\syscrondvr.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\459715806.exeC:\Users\Admin\AppData\Local\Temp\459715806.exe5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c sc delete "DrvTcfgsvc" & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\DrvTcfgsvc" /f6⤵
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\Windows\system32\sc.exesc delete "DrvTcfgsvc"7⤵
- Launches sc.exe
PID:1356
-
-
C:\Windows\system32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\DrvTcfgsvc" /f7⤵PID:4476
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\164377174.exeC:\Users\Admin\AppData\Local\Temp\164377174.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4788
-
-
C:\Users\Admin\AppData\Local\Temp\2014231258.exeC:\Users\Admin\AppData\Local\Temp\2014231258.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2332
-
-
C:\Users\Admin\AppData\Local\Temp\1132329768.exeC:\Users\Admin\AppData\Local\Temp\1132329768.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1636
-
-
C:\Users\Admin\AppData\Local\Temp\1346313930.exeC:\Users\Admin\AppData\Local\Temp\1346313930.exe5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c sc delete "DrvCfgSvcs" & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\DrvCfgSvcs" /f6⤵
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\system32\sc.exesc delete "DrvCfgSvcs"7⤵
- Launches sc.exe
PID:4476
-
-
C:\Windows\system32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\DrvCfgSvcs" /f7⤵PID:4464
-
-
-
-
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\syscrondvr.exe1⤵
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Windows\syscrondvr.exeC:\Windows\syscrondvr.exe2⤵
- Executes dropped EXE
PID:2972
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
425B
MD5fff5cbccb6b31b40f834b8f4778a779a
SHA1899ed0377e89f1ed434cfeecc5bc0163ebdf0454
SHA256b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76
SHA5121a188a14c667bc31d2651b220aa762be9cce4a75713217846fbe472a307c7bbc6e3c27617f75f489902a534d9184648d204d03ee956ac57b11aa90551248b8f9
-
Filesize
51KB
MD5588e67994dd9e1084cbe989ee0d7eecd
SHA11a9e7f30d4b14b2054c6947ec7b25024dac5c50e
SHA256d6a96251f4bd75df5e68bbc2ce0cea37e0c5fadf1bace5b035245832930a4d2c
SHA512ad9f235b9c03c391d2cd10f1fc0d07d748b305a254dc310da0ad6e1b27160f65a811a1586a632c4f331c5660a2cb77dec8f06b163c6c226f6a2c39b0d13af25e
-
Filesize
8KB
MD50cd27d2aa3bc58e4fc3c6639f4797e55
SHA11224947928cbdb0634d3aa7b374825552fe20fde
SHA256559dfe706ff2f2ce820748d25a91173972c89f6bb9510fba52f40815f018621c
SHA5129a595bfaa5ed85d895337a488969d75a00f33a6dd4e8759b95179428ea44922cccbef6189f08579ff806fe030e9833506c0aa8fedd1108622ffed3d0815d7d62
-
Filesize
80KB
MD5f30fdbf3448f67cbc3566f31729cb7a6
SHA1fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA25681783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8
-
Filesize
10KB
MD5c08cfa523c9377d3ae24fdb373b3ae13
SHA15289219770ad28b0fa4f0bdd91817f76bd6be222
SHA256326c70a965d4e642275c26cd913e268b1db89edd59b31a86ee600a7a9c664eb0
SHA512c91acd580ac832d5fed363a9a2b98b724a255d82e4fdda6eca62133feb5e60dd79a8caca36597a52bfbfa907a44208c48b15142e2e6020db219d14e970c3f57c
-
Filesize
20KB
MD5680f371f2918acd9c01ebd9b2624e191
SHA12f6d2bc41d8ec3c2cdddeb894f8af082a51acfa9
SHA2565cf738edd0028523f23a77d7dc02087e6f99cf1110f5b51766bf79f00bff6d09
SHA512df251b794acf1ede346f0b01bca3fe576b0d36d127f33e4942e8093625a40d6b74ec26fc51111ebba705a1e9c37d923069de98d2658b416d1f7410846f873e40
-
Filesize
8KB
MD5c2252ee01d47f885c466fea46d77b337
SHA10e5e5e21dfdd47632831935e98d46fb4c4bf9168
SHA2567563681ee1464143363b1b7b6d59cef4c2a3b9a431c94feae043465cc7d23be0
SHA5128e0fdf90fc8c1c014b6c183dafa58ccf18251a3ea2e279c671a35ff702b60a5be3058c2eceac7a00e4b747796b1e1ed10a64abf95f26bd288980592db4e690d7
-
Filesize
10KB
MD50ec46393976eb51f307cc11d80bae845
SHA169d4cb168f3a1b97c37a0ba1519d0adb1ff7e245
SHA256252171bdaa35d19f872c165e861b03d347a4afb85d7a03d02f8eae09d191038d
SHA512803351760e3c422e4825103235e13085004b3418b483a2c646aafaef62b7212a1ba4ed28469134a236c5b6121e6a748ba958bbae2dbe4afe9f9f45704928d31f