Analysis
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max time kernel
148s -
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
19/05/2025, 22:24
Static task
static1
General
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Target
2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe
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Size
946KB
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MD5
05762e74815f254df58070e7b3410754
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SHA1
a4387eb21d209fa338bd60361c9c61f56642fc53
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SHA256
1b097c4ab07dc3b02f53fdc70e99633fcacc50a9ba90c05a03032cff007ed7f1
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SHA512
92ba6c7abca4e2f88bfa749de43acfe3ba249333e1cba3e73ea31a7917b19b55461f4c365c4fd53b4bea244d41502f4bff6663514899ec236ee8350e79e11e39
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SSDEEP
24576:c6xUIZkujWzIO9M4jDKSPSSdlWVQ0yiO4R:c6xUIZkujWZHjDXvqij
Malware Config
Extracted
phorphiex
http://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
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mutex
l9n7b5f2r
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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
Signatures
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Phorphiex family
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Phorphiex payload 1 IoCs
resource yara_rule behavioral1/files/0x00090000000241b5-12.dat family_phorphiex -
Downloads MZ/PE file 2 IoCs
flow pid Process 34 1308 851E.exe 3 6008 2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe -
Executes dropped EXE 5 IoCs
pid Process 1308 851E.exe 2948 1799611275.exe 980 syscrondvr.exe 2168 syscrondvr.exe 5524 2872912489.exe -
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" 1799611275.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\syscrondvr.exe 1799611275.exe File opened for modification C:\Windows\syscrondvr.exe 1799611275.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 851E.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1799611275.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language syscrondvr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2872912489.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 6008 wrote to memory of 1308 6008 2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe 87 PID 6008 wrote to memory of 1308 6008 2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe 87 PID 6008 wrote to memory of 1308 6008 2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe 87 PID 1308 wrote to memory of 2948 1308 851E.exe 101 PID 1308 wrote to memory of 2948 1308 851E.exe 101 PID 1308 wrote to memory of 2948 1308 851E.exe 101 PID 2948 wrote to memory of 980 2948 1799611275.exe 103 PID 2948 wrote to memory of 980 2948 1799611275.exe 103 PID 2948 wrote to memory of 980 2948 1799611275.exe 103 PID 5604 wrote to memory of 2168 5604 cmd.exe 105 PID 5604 wrote to memory of 2168 5604 cmd.exe 105 PID 5604 wrote to memory of 2168 5604 cmd.exe 105 PID 980 wrote to memory of 5524 980 syscrondvr.exe 114 PID 980 wrote to memory of 5524 980 syscrondvr.exe 114 PID 980 wrote to memory of 5524 980 syscrondvr.exe 114
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe"C:\Users\Admin\AppData\Local\Temp\2025-05-19_05762e74815f254df58070e7b3410754_black-basta_cobalt-strike_hijackloader.exe"1⤵
- Downloads MZ/PE file
- Suspicious use of WriteProcessMemory
PID:6008 -
C:\Users\Admin\AppData\Local\Temp\851E.exe"C:\Users\Admin\AppData\Local\Temp\851E.exe"2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Users\Admin\AppData\Local\Temp\1799611275.exeC:\Users\Admin\AppData\Local\Temp\1799611275.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:2948 -
C:\Windows\syscrondvr.exeC:\Windows\syscrondvr.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:980 -
C:\Users\Admin\AppData\Local\Temp\2872912489.exeC:\Users\Admin\AppData\Local\Temp\2872912489.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5524
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\syscrondvr.exe1⤵
- Suspicious use of WriteProcessMemory
PID:5604 -
C:\Windows\syscrondvr.exeC:\Windows\syscrondvr.exe2⤵
- Executes dropped EXE
PID:2168
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
80KB
MD5f30fdbf3448f67cbc3566f31729cb7a6
SHA1fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA25681783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8
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Filesize
10KB
MD5c08cfa523c9377d3ae24fdb373b3ae13
SHA15289219770ad28b0fa4f0bdd91817f76bd6be222
SHA256326c70a965d4e642275c26cd913e268b1db89edd59b31a86ee600a7a9c664eb0
SHA512c91acd580ac832d5fed363a9a2b98b724a255d82e4fdda6eca62133feb5e60dd79a8caca36597a52bfbfa907a44208c48b15142e2e6020db219d14e970c3f57c
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Filesize
10KB
MD50ec46393976eb51f307cc11d80bae845
SHA169d4cb168f3a1b97c37a0ba1519d0adb1ff7e245
SHA256252171bdaa35d19f872c165e861b03d347a4afb85d7a03d02f8eae09d191038d
SHA512803351760e3c422e4825103235e13085004b3418b483a2c646aafaef62b7212a1ba4ed28469134a236c5b6121e6a748ba958bbae2dbe4afe9f9f45704928d31f