Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-07-2024 14:33
Static task
static1
Behavioral task
behavioral1
Sample
d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe
Resource
win10v2004-20240709-en
General
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Target
d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe
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Size
6KB
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MD5
cfb7fbf1d4b077a0e74ed6e9aab650a8
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SHA1
a91cfbcc9e67e8f4891dde04e7d003fc63b7d977
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SHA256
d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0
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SHA512
b174d0fed1c605decc4e32079a76fbb324088b710ce1a3fe427a9a30c7bdcd6ac1ad223970cdc64061705f9a268afa96463ee73536b46991981d041517b77785
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SSDEEP
96:An2ZBONNkv90S32BOl7LN8cVHH/PtboynuYUBPCtL:An3NNazCE7dfP1oynfUBe
Malware Config
Extracted
phorphiex
http://185.215.113.66/
http://77.91.77.92/
http://91.202.233.141/
0xCa90599132C4D88907Bd8E046540284aa468a035
TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv
rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb
4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY
ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw
bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
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mutex
55a4er5wo
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Signatures
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Modifies security service 2 TTPs 1 IoCs
Processes:
sysmablsvr.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" sysmablsvr.exe -
Phorphiex payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\1282326145.exe family_phorphiex -
Processes:
sysmablsvr.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysmablsvr.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
1282326145.exesysmablsvr.exepid process 2324 1282326145.exe 3884 sysmablsvr.exe -
Processes:
sysmablsvr.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysmablsvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" sysmablsvr.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1282326145.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe" 1282326145.exe -
Drops file in Windows directory 2 IoCs
Processes:
1282326145.exedescription ioc process File created C:\Windows\sysmablsvr.exe 1282326145.exe File opened for modification C:\Windows\sysmablsvr.exe 1282326145.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe1282326145.exedescription pid process target process PID 2044 wrote to memory of 2324 2044 d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe 1282326145.exe PID 2044 wrote to memory of 2324 2044 d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe 1282326145.exe PID 2044 wrote to memory of 2324 2044 d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe 1282326145.exe PID 2324 wrote to memory of 3884 2324 1282326145.exe sysmablsvr.exe PID 2324 wrote to memory of 3884 2324 1282326145.exe sysmablsvr.exe PID 2324 wrote to memory of 3884 2324 1282326145.exe sysmablsvr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe"C:\Users\Admin\AppData\Local\Temp\d93add71a451ec7c04c99185ae669e59fb866eb38f463e9425044981ed1bcae0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\1282326145.exeC:\Users\Admin\AppData\Local\Temp\1282326145.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Windows\sysmablsvr.exeC:\Windows\sysmablsvr.exe3⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
PID:3884
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
88KB
MD5ababca6d12d96e8dd2f1d7114b406fae
SHA1dcd9798e83ec688aacb3de8911492a232cb41a32
SHA256a992920e64a64763f3dd8c2a431a0f5e56e5b3782a1496de92bc80ee71cca5ba
SHA512b7fc70c176bdc74cf68b14e694f3e53142e64d39bd6d3e0f2e3a74ce3178ea606f92f760d21db69d72ae6677545a47c7bf390fb65cd5247a48e239f6ae8f7b8f
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Filesize
80KB
MD52ff2bb06682812eeb76628bfbe817fbb
SHA118e86614d0f4904e1fe97198ccda34b25aab7dae
SHA256985da56fb594bf65d8bb993e8e37cd6e78535da6c834945068040faf67e91e7d
SHA5125cd3b5a1e16202893b08c0ae70d3bcd9e7a49197ebf1ded08e01395202022b3b6c2d8837196ef0415fea6497d928b44e03544b934f8e062ddbb6c6f79fb6f440