Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 22:11
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
General
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Target
tmp.exe
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Size
79KB
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MD5
1e8a2ed2e3f35620fb6b8c2a782a57f3
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SHA1
e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a
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SHA256
3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
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SHA512
ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade
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SSDEEP
1536:y3Mz8f2Z9F1nc2ZWEa5pFeStStfFPeeeeeeeeWeeeee:ZwfYFRVZWz3XtStfF
Malware Config
Extracted
phorphiex
http://185.215.113.66/
0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b
THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto
1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6
qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL
LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX
rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH
ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ
48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg
3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH
t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn
bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd
bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg
bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE
Signatures
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Modifies security service 2 TTPs 1 IoCs
Processes:
242711398.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" 242711398.exe -
Processes:
sylsplvc.exe242711398.exe61953122.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 242711398.exe -
Downloads MZ/PE file
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Executes dropped EXE 12 IoCs
Processes:
sylsplvc.exe242711398.exe61953122.exe2769418480.exe990027206.exe231398927.exeWindows Security Upgrade Service.exe2826525206.exe2933332145.exeWindows Security Upgrade Service.exe3136629633.exeWindows Security Upgrade Service.exepid process 3372 sylsplvc.exe 2748 242711398.exe 4724 61953122.exe 2408 2769418480.exe 4920 990027206.exe 4140 231398927.exe 5032 Windows Security Upgrade Service.exe 1576 2826525206.exe 2940 2933332145.exe 4456 Windows Security Upgrade Service.exe 3644 3136629633.exe 1960 Windows Security Upgrade Service.exe -
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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Processes:
61953122.exesylsplvc.exe242711398.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 61953122.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 242711398.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 61953122.exe -
Adds Run key to start application 2 TTPs 5 IoCs
Processes:
242711398.exe61953122.exetmp.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\sysvpplvcr.exe" 242711398.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winakrosvsa.exe" 61953122.exe Set value (str) \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winakrosvsa.exe" 61953122.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe" tmp.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysvpplvcr.exe" 242711398.exe -
Drops file in Windows directory 6 IoCs
Processes:
tmp.exe242711398.exe61953122.exedescription ioc process File created C:\Windows\sylsplvc.exe tmp.exe File opened for modification C:\Windows\sylsplvc.exe tmp.exe File created C:\Windows\sysvpplvcr.exe 242711398.exe File opened for modification C:\Windows\sysvpplvcr.exe 242711398.exe File created C:\Windows\winakrosvsa.exe 61953122.exe File opened for modification C:\Windows\winakrosvsa.exe 61953122.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
242711398.exepid process 2748 242711398.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
tmp.exesylsplvc.exe242711398.exe990027206.exedescription pid process target process PID 236 wrote to memory of 3372 236 tmp.exe sylsplvc.exe PID 236 wrote to memory of 3372 236 tmp.exe sylsplvc.exe PID 236 wrote to memory of 3372 236 tmp.exe sylsplvc.exe PID 3372 wrote to memory of 2748 3372 sylsplvc.exe 242711398.exe PID 3372 wrote to memory of 2748 3372 sylsplvc.exe 242711398.exe PID 3372 wrote to memory of 2748 3372 sylsplvc.exe 242711398.exe PID 3372 wrote to memory of 4724 3372 sylsplvc.exe 61953122.exe PID 3372 wrote to memory of 4724 3372 sylsplvc.exe 61953122.exe PID 3372 wrote to memory of 4724 3372 sylsplvc.exe 61953122.exe PID 2748 wrote to memory of 2408 2748 242711398.exe 2769418480.exe PID 2748 wrote to memory of 2408 2748 242711398.exe 2769418480.exe PID 2748 wrote to memory of 2408 2748 242711398.exe 2769418480.exe PID 3372 wrote to memory of 4920 3372 sylsplvc.exe 990027206.exe PID 3372 wrote to memory of 4920 3372 sylsplvc.exe 990027206.exe PID 3372 wrote to memory of 4920 3372 sylsplvc.exe 990027206.exe PID 2748 wrote to memory of 4140 2748 242711398.exe 231398927.exe PID 2748 wrote to memory of 4140 2748 242711398.exe 231398927.exe PID 2748 wrote to memory of 4140 2748 242711398.exe 231398927.exe PID 4920 wrote to memory of 5032 4920 990027206.exe Windows Security Upgrade Service.exe PID 4920 wrote to memory of 5032 4920 990027206.exe Windows Security Upgrade Service.exe PID 4920 wrote to memory of 5032 4920 990027206.exe Windows Security Upgrade Service.exe PID 3372 wrote to memory of 1576 3372 sylsplvc.exe 2826525206.exe PID 3372 wrote to memory of 1576 3372 sylsplvc.exe 2826525206.exe PID 3372 wrote to memory of 1576 3372 sylsplvc.exe 2826525206.exe PID 2748 wrote to memory of 2940 2748 242711398.exe 2933332145.exe PID 2748 wrote to memory of 2940 2748 242711398.exe 2933332145.exe PID 2748 wrote to memory of 2940 2748 242711398.exe 2933332145.exe PID 4920 wrote to memory of 4456 4920 990027206.exe Windows Security Upgrade Service.exe PID 4920 wrote to memory of 4456 4920 990027206.exe Windows Security Upgrade Service.exe PID 4920 wrote to memory of 4456 4920 990027206.exe Windows Security Upgrade Service.exe PID 2748 wrote to memory of 3644 2748 242711398.exe 3136629633.exe PID 2748 wrote to memory of 3644 2748 242711398.exe 3136629633.exe PID 2748 wrote to memory of 3644 2748 242711398.exe 3136629633.exe PID 4920 wrote to memory of 1960 4920 990027206.exe Windows Security Upgrade Service.exe PID 4920 wrote to memory of 1960 4920 990027206.exe Windows Security Upgrade Service.exe PID 4920 wrote to memory of 1960 4920 990027206.exe Windows Security Upgrade Service.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\sylsplvc.exeC:\Windows\sylsplvc.exe2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Users\Admin\AppData\Local\Temp\242711398.exeC:\Users\Admin\AppData\Local\Temp\242711398.exe3⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: SetClipboardViewer
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Users\Admin\AppData\Local\Temp\2769418480.exeC:\Users\Admin\AppData\Local\Temp\2769418480.exe4⤵
- Executes dropped EXE
PID:2408
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C:\Users\Admin\AppData\Local\Temp\231398927.exeC:\Users\Admin\AppData\Local\Temp\231398927.exe4⤵
- Executes dropped EXE
PID:4140
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C:\Users\Admin\AppData\Local\Temp\2933332145.exeC:\Users\Admin\AppData\Local\Temp\2933332145.exe4⤵
- Executes dropped EXE
PID:2940
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C:\Users\Admin\AppData\Local\Temp\3136629633.exeC:\Users\Admin\AppData\Local\Temp\3136629633.exe4⤵
- Executes dropped EXE
PID:3644
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C:\Users\Admin\AppData\Local\Temp\61953122.exeC:\Users\Admin\AppData\Local\Temp\61953122.exe3⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
PID:4724
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C:\Users\Admin\AppData\Local\Temp\990027206.exeC:\Users\Admin\AppData\Local\Temp\990027206.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"4⤵
- Executes dropped EXE
PID:5032
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C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"4⤵
- Executes dropped EXE
PID:4456
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C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"4⤵
- Executes dropped EXE
PID:1960
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C:\Users\Admin\AppData\Local\Temp\2826525206.exeC:\Users\Admin\AppData\Local\Temp\2826525206.exe3⤵
- Executes dropped EXE
PID:1576
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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
Loading Replay Monitor...
Downloads
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Filesize
81KB
MD501e5faba64d8e9a9c187831fdc819f4c
SHA1350a1a2bf237e64f43716262f99c632f5e01ba62
SHA2567f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450
SHA512f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782
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Filesize
10KB
MD5c5b736fdfbfd976ee44404a1c951b595
SHA11510c485ac899128829131a28803ec2f33bd46e0
SHA256f87cfef14beacb6b70012fece1aec64b8cb0cc68cce933a512ee025f38356c37
SHA512a1f710b69b7c62047ae8cd02dca747d6158b79b9ae5eea9e64fa8d016e662616993dcc9efbb2816865ad2b2690650fe600507b5b35117643832d7b87e471098a
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Filesize
14KB
MD5fce292c79288067dc17919ed588c161c
SHA1bb44fa2c95af5bbd11e49264a40c16d6f343fa21
SHA2564ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828
SHA51273dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e
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Filesize
8KB
MD5145fc3dbf778aa2ba80af3d74eabfad6
SHA113dfeadb4b38c461f8b9d25853c0cae5d9a65f7c
SHA2565ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200
SHA5129bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306
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Filesize
81KB
MD5f4713c8ac5fc1e4919156157e7bece19
SHA17bd9e35b1d1210183bbb4fe1995895cbc1692c62
SHA2562be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b
SHA512ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
8KB
MD5c34a248f132e739652407b0aa8c978cd
SHA1f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee
SHA2564c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578
SHA512f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703
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Filesize
14KB
MD52f4ab1a4a57649200550c0906d57bc28
SHA194bc52ed3921791630b2a001d9565b8f1bd3bd17
SHA256baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa
SHA512ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8
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Filesize
10KB
MD50ed58505911ae244fa62cbd899612bb7
SHA1f6ec97ec48d33f752c90ac5fd0b9314d7b505a22
SHA2568b2b24a2c1f47acf527a8acc704fc77aecc036b09cdbd96ef32d3cf43ddce578
SHA512c4508e90025521b537e9eb13b8c15990aa893b22ebd090e96ce53efa4b333184c99abcccf6bc90ad5d6e53a13883ec711da43f7083216edd7f403fe05dd1c983
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Filesize
20KB
MD5f4355af73c2dd6e8eb69f29570431f6a
SHA1a0ba95d51d98fd602ab29531a7b0695496657a74
SHA25631be31131a00b743ea598caf706b7c08703d98c3b90aed0523a0aace6ebe318c
SHA512ea8cc7f93bf52da4a9637e40066606091883176914ae45af5fcb7323b48b832bdf8a67e1527bc549d7aacf964dc1ca2b2305e78552c55ebb128f987e9f0112c1
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Filesize
79KB
MD51e8a2ed2e3f35620fb6b8c2a782a57f3
SHA1e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a
SHA2563f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
SHA512ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade